Intel Core i9 12900K review | PC Gamer - graylepaso
Our Finding of fact
The Core i9 12900K is an enthusiast central processor assembled for self-praise. It offers the highest gaming frame rates in well-nig titles and its clever new computer architecture and raw-edge features provide multithreaded carrying into action available. If you're building a super high-end PC in 2021, this is now the chip to have it off with.
For
- Incredible single-threaded performance
- Much improved multithreaded ability
- Big leap for Intel's CORE CPUs
- The best desktop platform with DDR5 and PCIe 5.0 support
Against
- Some games don't play nicely with Alder tree Lake however
- High top executive consumption
- Possibly screaky platform costs at launch
PC Gamer Verdict
The Core i9 12900K is an fancier central processing unit built for boasting. It offers the highest gaming draw up rates in near titles and its clever new architecture and raw-bound features provide multithreaded carrying into action available. If you're edifice a super high-end Personal computer in 2021, this is now the chip to do it with.
Pros
- +
Incredible one-person-rib execution
- +
Much improved multithreaded ability
- +
Big leap for Intel's Core CPUs
- +
The C. H. Best desktop platform with DDR5 and PCIe 5.0 support
Cons
- -
Some games don't drama nicely with Alder Lake sooner or later
- -
High power phthisis
- -
Potentially high platform costs at launch
Alder tree Lake may well embody the beginning of Intel's push back against a renascent AMD, but many than that, for the PC gamer in 2021, it's an extremely good gambling chip. And that's really what counts, right?
I can harp along about what this chip means for the heavyweight title fight 'tween x86 goliaths, Intel and AMD, and Don't concern I will, but along this site, it ultimately comes downwardly to which is meliorate for play and offer us the best hit for our buck. That's often fallen in AMD's favour as of late, whose Ryzen 5000-series processors are all-mighty for gaming and a smart choice for streamers and content creators, but that's set to change with the arrival of Intel's 12th Gen Alder tree Lake CPUs.
The 12th Gen is Intel claiming back its gambling crown and justified does so at a lower berth price tag than the usually bargainous colored team.
It'd be remiss of ME non to citation Alder Lake's peculiarities. With every significant shakeup of a piece of computer science hardware, in that respect's a bedding-in period that mustiness occur, and Intel's 12th Gen isn't entirely without idiosyncrasies. For 1, it comes with the requirement of Windows 11 if you desire top performance. But more on that shortly.
Ultimately, the Core i9 12900K offers us a good indication arsenic to whether Intel is back at its outdo. At the same least, Alder Lake is a huge step in the right focussing, only when moving at its very best it looks as much the reappearance to kind for the chipmaker at the directing butt on from the rattling beginning as it has been made out to personify.
Architecture
What's different virtually the Intel Core i9 12900K?
The Core i9 12900K represents the very best in Intel's desktop 12th Generation processors, and what that agency is information technology houses the Alder tree Lake computer architecture in its most performant form. At its simplest, that equates to more cores, more pep pill, and more bandwidth than ever before, only if you dig beneath the surface you'll chance a chip architecture that is wildly different to what came before.
With that comes bod rates, Bone requirements, and idiosyncrasies. Whol of which makes for fascinating analysis.
The most notable change of the lot for Intel Alder Lake is the hybrid Core computer architecture.
So let's dig up into it, starting with the process that defines the entire chip: Intel 7. Alder Lake is Intel's first desktop CPU to use the Intel 7 process knob, which was previously referred to as Intel 10nm SuperFin, and also the first in a selfsame long time to not use the 14nm process node.
Oh, how times have changed. Intel has finally broken free the shackles of 14nm and managed to escape the node that was once sol congested it caused a fairly embarrassing pile-dormie for the chipmaker. With Alder Lake, it's no yearner tied to that node, so it's free to DO more in the infinite it's got, and the company says it even expects to shift a good deal of Alder Lake chips this side of New Year So perhaps this is some silicon you'll actually be able to buy at set in motion.
Here's hoping, anyways.
The most notable change of the lot for Intel Alder Lake, though, is the hybrid Core architecture. What this means is that Intel is stuffing every of the K-serial publication 12th Gen chips, those which are arriving at launch, with two types of cores: Performance Cores (P-Cores) and Timesaving Cores (E-Cores).
The P-Cores are supported the Golden Cove microarchitecture, which is one tread beyond the Willow Lake microarchitecture found in Intel's 11th Gen mobile Tiger Lake processors. In desktop terms, that's roughly 2 stairs on the discipline marathon from the backported Sunny Cove microarchitecture, renamed Cypress tree Cove, in Intel's 11th Gen Rocket Lake desktop processors, such as the Core i9 10900K.
And you're probably already intelligent that's a lot of architectural codenames, and you'd be right. Alder Lake is like a Russian nesting doll of architectures. It doesn't get whatsoever easier, either, but it is quite a little Sir Thomas More exciting for information technology.
Alder Lake's P-Cores are many closely related to the CPU cores of premature Intel desktop generations. Take the Core i9 10900K, for exemplar, which has eight CPU cores in total. Consider the 12900K's eight P-Cores in much the same way, although considerably faster.
For gaming these P-Cores are paint. They put up the highest clock speeds of the two—on the Core i9 12900K these reach 5.2GHz at times—and nail down sleek various-rib speed for IT. They're also built to minimise latency, and they're technically wider and smarter to catch aweigh with the competition. That's AMD's savvy Zen 3 architecture, away the by.
For each one P-Core group has entree to 1.25MB of L2 cache. From there, they're hooked up to 30MB of Intel Overbold Cache, which is also shared out between E-Cores and onboard integrated graphics (disabled in KF-serial publication chips).
For a mark of performance, the Core i9 12900K's P-Cores are able to pass by the Cypress tree Cove cores in the Core i9 11900K by a significant margin, and we're yet to touch on the eight Efficient Cores that Intel has stuffed into the 12900K's back pocket.
The Efficient Cores are built along the Gracemont architecture, whose origins are in the Atom batting order. Traditionally built for lower-power, lower-performance processors, Intel has decided that its Atom architecture may detect a use in more powerful processors after all, and the Core i9 12900K features eight Gracemont Efficacious Cores in aggregate.
That's ogdoad Efficacious Cores clustered into two groups of four, to each one group with access to 2MB of L2 cache. These then dea admittance to that same 30MB of Intel Shrewd Hive up that the P-Cores are as wel privy to.
I'll acknowledge I wasn't always for certain about Intel's Timesaving Cores. Poker chip designer Arm has been rolling unstylish big.LITTLE designs awhile, to great succeeder, only chiefly in the ambulatory market where power efficiency equates to yearner battery life. Intel intends to bestow Alder Lake to mobile, too, thus I get that angle, simply on the desktop English of things, it didn't first appear that these would equal of tremendous note value. What is a cluster of small cores, assembled out of Intel's next-gen Atom architecture, exit to save a PC gamer the likes of me?
Well, I should've known it wasn't all about raw numbers racket, time speeds, and various-rib performance, because Intel's Efficacious Cores are more more than you might premiere imagine.
These Efficient Cores serve a couple of functions with Alder Lake. For starters, they help gain the multi-threaded performance, as you've plainly got to a greater extent cores to give at a problem. Past, there's the ability to remove load from the P-Cores in a hook, which is really where these low-major power cores come in handy for gaming.
Say you're a streamer and you're trying to play a competitive entitle on one screen and beam your capture remove to the world on the other. An Alder Lake Central processing unit, with a dinky help from Windows 11, should be able to share this workload in ordering to keep your P-Cores focused on delivering gaming frame rates and your E-Cores on streaming that complete the net.
Therein lies some of Alder tree Lake's thaumaturgy, but there's more to getting all of these architectures working together than simply placing them all on nonpareil chip. A large part of Intel's Alder Lake performance comes from utilising these two different cores in an effective manner, and to do that it uses something known as the Thread Director.
The Thread Director helps your OS decide which tasks should attend which cores, by handing your OS more information than it would otherwise have available to it. Through constantly monitoring and eating meander information back to the OS, Thread Director whole kit to make sure your halting always gets priority terminated your RGB lighting controller doing an update. Hence keeping your frame charge per unit unbendable.
In the end, though, information technology's your Oculus sinister that makes these decisions, and that's why Thread Director works trump with Windows 11, which Intel worked with Microsoft on to get exactly right for Alder Lake.
The use of a computer hardware integrated Thread Director has a couple of knock-on effects for United States, then. First, it means you'll really deficiency to use Windows 11 if you experience an Alder tree Lake CPU for the best performance, which has its ups and downs and International Relations and Security Network't wholly an Oculus sinister we recommend today. Secondly, there are still many oddities in the Alder Lake architecture and optimisation that tight these two diametric cores either aren't utilise to their fullest, Beaver State put on't function at complete with a handful of games.
Now, acknowledged, a processor with a straight 16-cores is able to manage three-fold workloads hardly fine, too, such as the Ryzen 9 5950X, but Alder Lake does have few more carrying out boons ahead its sleeve.
The most significant is DDR5. For a long while now we've been happily plodding along with DDR4 machines, and admittedly these DDR4 kits have got started to hit incredible speeds considering their humble beginnings, but multiplication are a-changin'. DDR5 is already setting the bar higher for memory frequencies and operation, and Alder tree Lake is ready to meet it.
So you'Re looking at much higher frequencies with the trade-off being much higher memory latencies on early DDR5 kits. They also come with generally higher price tags, which isn't something PC gamers will want to hear in 2021—regrettably, that's the reality of a mark new technology such arsenic this coming to market. Perhaps especially so because of the ongoing global shortages affecting all manner of chips.
On the plus side, you can buy a DDR4 compatible motherboard and skip over the burgeoning DDR5 market altogether. Though do bear in mind that you are stuck with one or the other. So do your pick and be prepared to accept it for the rest of your chip's life. Or get a new motherboard, either way.
That brings us neatly onto the Z690 chipset in congruous LGA 1700 motherboards. The new socket shouldn't amount as some of a surprise if you've caught sight of the 12900K itself, As the heat spreader on this chip is larger than previous Center desktop processors. It does, still, mean you will need a new motherboard for Alder Lake. These new boards exercise bid greater bandwidth for PCIe devices through support for PCIe 5.0, which wish mean more for SSD computer storage than anything else, although we're only just getting used to speedy PCIe 4.0, so this is spec'd retired for the future.
Specifications
What's inside the Intel Core i9 12900K?
As the directional processor out of Intel's 12th Gen family, the Core i9 12900K offers the most cores, the highest speeds, and the best performance. It's Alder Lake pouring on all cylinders, which means this specific chip offers us a great glimpse of what this architecture fundament do when it is able-bodied to stretch its legs.
The Core i9 12900K is a 16-core processor in an 8+8 design, which means it includes eight P-Cores and eight E-Cores to meet its total CORE count. HyperThreading is enabled connected the P-Cores, which doubles the available threads to 16, making for a add u of 24 with the E-Cores factored in. That means the Core i9 12900K is tentatively a match for AMD's Ryzen 9 5950X in terms of raw core count only has to puddle up a little squandered ground in terms of threads.
Core i9 12900K specs
Cores (P+E): 8+8
Threads: 24
L3 Cache (Smart Hoard): 30MB
L2 Cache: 14MB
Max P-core Turbo relative frequency (GHz): 5.2
Liquid ecstasy E-nub Turbo frequency (GHz): 3.9
P-core base frequency (GHz): 3.2
E-core base frequency (Gigahertz): 2.4
Unlocked: Yes
Nontextual matter: UHD Graphics 770
Computer storage support (up to): DDR5 4800MT/s, DDR4 3200MT/s
Processor Stand King (W): 125
Maximum Turbo Power (W): 241
Recommended customer price: $589–599
Retail price (boxed, Newegg/Overclockers): $649.99/£599.99
Those eight P-Cores are clocked mightily high, as well. The maximum Turbo clock pep pill of the P-Cores on the Core i9 12900K is 5.2GHz, although with a base clock of 3.2GHz, you'll tend to see time speeds somewhere between the two during real-reality performance and depending on the workload.
For all its speed, the Core i9 12900K is also the virtually power-hungry of the Alder Lake lot, and, well, most desktop CPUs to date. Scorn Intel's best efforts with the Intel 7 physical process node and the Cost-efficient Cores, this chip is still quite thirsty at 241W Maximum Turbo Power (MTP).
You'll notice that's MTP, not TDP. Intel says it's doing away with the TDP specification for the 12th Gen, and in some ways, I hold with its decision, if only to be fair to our poor CPU coolers. Previous TDPs haven't been particularly representative of, easily, much the least bit with Intel's past few CPU generations, then MTP, along with the new Central processing unit Base Power (PBP), appear a trifle more upfront.
The PBP of the Nucleus i9 12900K is 125W, which is a play off for the Core i9 11900K's TDP. Neither chip operates within this power envelope largely, however.
You can make matters worsened by fiddling with your chip's power to ensure a stable overclock, which is not sole possible with the unfastened K-series processors, such as the Core i9 12900K, and compatible Z690 motherboards, but even bucked up by Intel this generation.
The Z690 motherboard you choose will trifle an important use in overclocking, but beyond that, the new chipset does have its benefits for everyone, overclocker or no.
For starters, there's PCIe 4.0 support baked right into the Z690 chipset, ascending to 12 lanes of it. That accompanies the 16 lanes of PCIe 5.0 direct from the CPU, which means you shouldn't end up short of available bandwidth for your GPU and a handful of speedy SSDs. The availability of raft of bandwidth also ensures there's the potential for plenty of USB ports, although that will count on your board choice.
Speaking of bandwidth and the Burden i9 12900K, like whatever of the 12th Gen chips, it supports some DDR5 and DDR4 memory kits. You'll need to check which your motherboard supports before you buy, as no board supports both. So you'll have to stick with your decisiveness, either way.
Benchmarks
How does the Intel Core i9 12900K execute?
Intel's been talking a big bet on when it comes to Intel Alder Lake performance, and after getting my hands happening the Core i9 12900K, I can't say I'm surprised, either. This chip does reclaim the gaming performance crown in almost every game we tested, and often aside a broad margin.
Let's non forget what the Core i9 12900K is up against. That's the Ryzen 9 5950X, potentially the best CPU AMD has ever so put together and the most well-clothed desktop CPU for just about anything you throw at it. Non to put down the Ryzen 9 5950X in any style, but the Core i9 12900K is simply the far finer gaming chip.
That's really saying something for Intel's efforts in individualistic-core improvements on the Congress of Racial Equality i9 12900K. IT's clocked to the heavens, which sure helps, but architecturally the Golden Cove P-Cores appear to be working wonders when it counts in gambling workloads.
Something particularly noteworthy here is Intel's performance in games that traditionally favour AMD's chips, such as Former Armed Forces Cry 6. These would usually be the games where we'd construe with the biggest swings towards AMD's processors in performance, but spell that is true to some extent today, the Core i9 12900K has managed to debar whatsoever stellar advances into the run from the Ryzen 9 5950X.
PC Gamer 12th Gen trial run rig: Asus ROG Maximus Z690 Hero, Corsair Dominator @ 5,200MHz (effective), Nvidia GeForce RTX 3080, 1TB WD Fateful SN850 PCIe 4.0, Asus ROG Ryujin II 360, NZXT 850W, DimasTech Mini V2, Windows 11
PC Gamer 11th Gen test trailer truck: MSI MPG Z490 Carbon WLAN, Corsair Vengeance Pro RGB @ 3,600MHz (impressive), Nvidia GeForce RTX 3080, 1TB WD Black SN850 PCIe 4.0, Asus ROG Ryujin Cardinal 360, NZXT 850W, DimasTech Mini V2, Windows 11
PC Gamer AMD quiz set: Gigabyte X570 Aorus Master, Thermaltake DDR4 @ 3,600MHz, Zadak Discharge AIO, 2TB Sabrent Rocket PCIe 4.0, Corsair 850W, Windows 11
The same goes for synthetic single-core performance. Look to Cinebench R23, which I ran through a 10-minute cycle to ensure no office draw funny business, and you'll mark that the Core i9 12900K delivers a marvellous leap in one-core performance over the best of Zen 3 in the Ryzen 9 5950X. Even the lower-clocked Core i5 12600K, excessively, delivers a big bump here, so that's absolutely a return to form for Intel.
Duet its excellent single-threaded execution with the new wave of E-Cores and you're onto a winner in multi-threaded performance, too. To my surprisal, the Core i9 12900K manages to outmuscle the Ryzen 9 5950X, a straight 16-core come off, in Cinebench R23. In Time Spy's CPU tests, IT runs away with it. In all honesty, I wasn't expecting the blend of P-Cores and E-Cores to do this in such a way.
The Ryzen 9 5950X does hold its own in x264 v5.0, however, and just now edges away the Core i9 12900K in Overshadow of the Tomb Raider and Culture 6's tour time benchmark, where AMD has been stronger in recent years. So it's non a flawless victory for Intel, though it is still a very disenchanting one.
Though I am missing one benchmark result for Intel's Center i9 12900K: Assassin's Creed: Valhalla. The reason being information technology doesn't work on Alder tree Lake, or at least our system and belik a fair fewer more. As Intel told me, "We are aware of an way out with Bravo's Creed: Valhalla, and we are working with the game publisher on a fix." Though this does play into the slightly wobbly aspect of Alder tree Lake at launch.
As I've said ahead, Alder Lake International Relations and Security Network't an iterative update to an already sesquipedalian-erect architecture. For that, IT appears more or less creases weren't ironed out ahead of launch, and same is the occasional incompatible game, as Intel stated early in regards to DRM solution, Denuvo.
Intel aforesaid information technology was yet to remedy an cut with Denuvo on Alder tree Lake for 32 games, which was causation issues playing these games on the platform, but the remainder of the program library was favorable to run low.
So intelligibly on that point are still some areas to run the iron over, symmetric post-launch. I can only represent hopeful that these issues are solved new on and that new releases are correctly optimised for Alder Lake. I would assume so, but I can't say surely. Thus sit tight, and if you're a big Assassin's Creed: Valhalla fan, maybe stick to your old CPU for a bit while before upgrading to the 12th Gen.
When it comes to CPU power and caloric performance, As I mentioned ahead, the Core i9 12900K is not the most power-apprehen chip going. At the least in its nonpayment, out-of-the-box, state.
Intel has distinctly still had to push its Core i9 package to the nines to make sure it's capable of beating AMD's top Ryzen processor, and that substance I'm beholding a a great deal higher power draw under load than AMD's Ryzen 9 5950X during x264 v5.0 benchmarking, at a 53% increase, and a 6°C increase in peak temperature.
That's even in surplusage of the Core i9 11900K, the chip infamous for its high wattage draw. Though Intel writes this off as saying that, if you were to drop curtain the Core i9 12900K to even a fraction of its 241W MTP, at just 65W, it would still be a match for the Core i9 11900K.
At least the performance is there to justify the leap in wattage by way of comparison with Intel's own chips, only next to AMD's processors it still appears relatively steep.
Analytic thinking
What does the Intel Core i9 12900K mean for PC gaming?
I mentioned at the beginning of this review that it's important to cente the real-world performance and capability of these chips, and non begin too lost in the competition aspect of IT all. But hey, I'm human, and the current tower-of-state of war to and fro between Intel and AMD is one of my favourite spectator sports. Then let's get into what the Core i9 12900K, and the wider Alder Lake 12th Gen release, means for that all-meaningful battle.
Starting with comparisons to Intel's early generation, the 11th Gen, and the Inwardness i9 11900K felt up like a processor launched to title the world's fastest gaming processor statute title, With the Core i9 12900K, Intel may have built one that actually deserves information technology.
As some a proposition to gamers today and a coup d'oeil of what's to come from Intel, the Core i9 12900K is an incredibly tingling chip and uncomparable we've been ready to get our hands along for a long time. It's an exciting platform, overly. Often playing catch-up to AMD this bypast uncomplete-decade, Intel is delivering the latest technologies, such as DDR5 and PCIe 5.0, ahead of AMD this fourth dimension.
Pricing is what largely decides our opinion of these impressive processors, and rumours had initially predicted of a some closer pricing battle between Intel's 12th Gen and AMD's Ryzen 5000-series. Intel's pricing wasn't quite Eastern Samoa enthusiastically as expected, though, and we're left with a state of affairs where Intel's 12th Gen could put across a good deal of pressure on AMD's Ryzen 5000-series.
Let's hone in on the Heart and soul i9 12900K we're discussing here today. This chip is enrolled at its cheapest at $589 on Intel's Ark product database, and that's $210 cheaper than the MSRP of the AMD Ryzen 9 5950X. To be fair to AMD, though, let's draw a comparison 'tween the current on-sale price of these two chips right immediately instead, which are Sir Thomas More like $649 for the Substance i9 12900K and $749 for the Ryzen 9 5950X.
If you were to actually hit the checkout with either chip today, that makes for roughly a $100 saving with Intel's Core i9 over AMD's Ryzen 9.
That's probably going to have an impact on AMD's outlook, as the company no more has a totally uncomparable enthusiast desktop processor. The Core i9 12900K is a match, and it's cheaper, effectively shifting the taproo for future enthusiast desktop processors from both companies.
For AMD, that would appear to be its 3D V-Hoard processors, which it says are already in output and should improve play performance by up to 15%. If you skim over my benchmarking numbers, that has the potential to once once again reach AMD a lead in galore games. Simply these chips are going to have to deliver a significant boost to vie at their current prices, and for once information technology's AMD in the hot seat to justify its premium pricing rather than vice versa.
Leastwise AMD's AM4 platform offers plenty of cheaper motherboards now, something we May cause to waitress some for a bit thirster to see from Intel's board partners.
There are also still some finer points to work retired with Alder tree Lake as I write this, though it's been less shoot-or-miss in testing than I had expected it to embody at times during its development and unveiling. Ultimately, though, it feels like Intel has made fore progress with Alder Lake, and that force out only be a good thing for our gaming PCs. More competition begets more aggressive prices, more contending feature sets, and faster espousal of up-to-date standards.
For those reasons, and for its pure focal ratio advantage today, the Intel Core i9 12900K means a batch for Microcomputer gaming.
Verdict
Should you buy an Intel Core i9 12900K?
The Core i9 12900K aims for the top spot as the best CPU for play, and by most metrics makes it good. By hook and by turn, Intel has leapfrogged back in front of AMD in gambling performance, utilising a revolutionary computer architecture, process, glide slope, and platform—all the things we've been waiting patiently for information technology to do.
The Core i9 12900K wholly obliterates previous Intel generations by to the highest degree metrics.
From an enthusiast's point of view, and the Core i9 12900K is an fancier chip after all, this chip completely obliterates previous Intel generations aside near metrics: single-threaded carrying out, multithreaded performance, time speed, and memory performance. And you're likely paying fewer for the privilege, which is really saying something in this day and age.
From a gamer's viewpoint, the Kernel i9 12900K can deliver the performance to game, stream, capture, and more, all together. Though it must equal said that cheaper chips such as the Meat i5 12600K would appear the more sensible buy if you're primarily gambling, since plane the Core i5 makes mincemeat of the 11th Gen Substance i9 for PC gamers, and leave exclusively hinder your graphics card at 4K and beyond as much as just about other modern processors.
To tie a bow on it, if you're truly in the marketplace for a untried processor at this moment and you neediness the best for gaming, the Core i9 12900K is that and more. The Z690 political platform offers the only if way into the most cut-edge technologies around today, and for PC builders in 2021, it's sure nice to know you North Korean won't be falling behind the veer in 2022 once PCIe 5.0 and DDR5 are more widely adopted.
Sol if you fit the partisan visibility and don't idea some added weapons platform costs, yes, you should buy out the Core i9 12900K.
Congress of Racial Equality i9-12900K
The Nitty-gritty i9 12900K is an partisan processor well-stacked for jactitation. Information technology offers the highest gaming frame rates in most titles and its cagy new architecture and cutting-edge features provide multithreaded performance on tap. If you're building a super high-final stage PC in 2021, this is at once the chip to do it with.
Jacob earned his first byline writing for his own tech web log from his hometown in Wales in 2017. From there, he graduated to professionally breakage things at PCGamesN, where he would later win overtop of the outfit cupboard A hardware editor. Nowadays, as senior hardware editor at PC Gamer, helium spends his days reportage on the in vogue developments in the technology and gaming industry. When atomic number 2's non writing about GPUs and CPUs, you'll find him trying to get as far away from the modern world as possible by natural state camping.
Source: https://www.pcgamer.com/intel-core-i9-12900k-review-benchmarks-performance/
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