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Core i9 12900K processor review
Posted by: on: 11/04/2021 03:24 PM [
367 comment(s) ]
Meet Intel's new flagship CPU, the Core i9 12900K. It is based on the Alder Lake architecture and is reviewed here. This time around, Intel was back at the drawing board, creating a completely new architecture that appears to work as advertised. This platform is poised for the future with its incredibly fast performance, DDR5 memory, and PCIe Gen 5.0 interface.
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PrMinisterGR
Senior Member
Posts: 7895
Senior Member
Posts: 7895
Posted on: 11/04/2021 04:27 PM
I am probably biased, but isn't this a bit "meh"?
All these tricks, new memory, new PCIe revision and power consumption to end up at a maybe +5% in single threaded in the real world (with the exception of Hitman), and basically lose in multi-threaded to a year-old CPU. Intel needed this, but I think that even the Zen3+Cache will be equal to this, and destroy it in any power consumption metric. The price seems nice though, unless AMD drops the 5950x to 500$, which they probably can super easily.
The power consumption is indeed ridiculous (and that's from someone with a 3090).
The really interesting parts of this for me is really the GPU, and the platform itself, which looks awesome.
I am probably biased, but isn't this a bit "meh"?
All these tricks, new memory, new PCIe revision and power consumption to end up at a maybe +5% in single threaded in the real world (with the exception of Hitman), and basically lose in multi-threaded to a year-old CPU. Intel needed this, but I think that even the Zen3+Cache will be equal to this, and destroy it in any power consumption metric. The price seems nice though, unless AMD drops the 5950x to 500$, which they probably can super easily.
The power consumption is indeed ridiculous (and that's from someone with a 3090).
The really interesting parts of this for me is really the GPU, and the platform itself, which looks awesome.
kill007
Senior Member
Posts: 1127
Senior Member
Posts: 1127
Posted on: 11/04/2021 04:33 PM
I know this is 12900k review, but that 12600k for gaming....jesus...for that price and crushing everything and staying within a whisker of 12900k....
i would imagine the 12700k also having similar impact.
its like the 3080 vs 3090 situation for gamers...
I know this is 12900k review, but that 12600k for gaming....jesus...for that price and crushing everything and staying within a whisker of 12900k....
i would imagine the 12700k also having similar impact.
its like the 3080 vs 3090 situation for gamers...
kakiharaFRS
Senior Member
Posts: 750
Senior Member
Posts: 750
Posted on: 11/04/2021 04:34 PM
1080p gaming seems always better than AMD...so it got it's king of gaming crown back, cool
tempting for me and my unreplaceable lucky no ghosting 1080p monitor
thanks for the watts per core comparison, people who only owned 1-8 cores don't really understand that they multiply the watts and only see the "big number" something I only understood when I built a 24c threadripper PC if you overclock it and each uses like 3watts well that's +72watts overall and it goes very quickly...I managed to have my 3960x use 430watts like that O_O because I never tought about it and raised voltage too much (unusable even with liquid cooling cpu went to 100°)
20 watts isn't bad for the new intels
p.s. just for comparison my 5950x with CTR 2.1 RC5 4750 all cores @ 1.35v
CR23 29451/1609
CR20 11373/638
multi-threading is not up to amd but single thread aka EVERY DX11 or older game is noticeably better on intel
@chispy only logical that they fall Intel can be overclocked and tweaked also most reviewers seem to forget when talking about amd that high end gpus are hungry for faster cpu and memory speed, when the 3090 was on the 9900k I did have higher fps in several games than on my current 5950x
1080p gaming seems always better than AMD...so it got it's king of gaming crown back, cool
tempting for me and my unreplaceable lucky no ghosting 1080p monitor
thanks for the watts per core comparison, people who only owned 1-8 cores don't really understand that they multiply the watts and only see the "big number" something I only understood when I built a 24c threadripper PC if you overclock it and each uses like 3watts well that's +72watts overall and it goes very quickly...I managed to have my 3960x use 430watts like that O_O because I never tought about it and raised voltage too much (unusable even with liquid cooling cpu went to 100°)
20 watts isn't bad for the new intels
p.s. just for comparison my 5950x with CTR 2.1 RC5 4750 all cores @ 1.35v
CR23 29451/1609
CR20 11373/638
multi-threading is not up to amd but single thread aka EVERY DX11 or older game is noticeably better on intel
@chispy only logical that they fall Intel can be overclocked and tweaked also most reviewers seem to forget when talking about amd that high end gpus are hungry for faster cpu and memory speed, when the 3090 was on the 9900k I did have higher fps in several games than on my current 5950x
schmidtbag
Senior Member
Posts: 6199
Senior Member
Posts: 6199
Posted on: 11/04/2021 04:35 PM
I have a feeling DDR5 is where most of the performance enhancements have come from.
I agree; but considering how expensive the E cores are, I guess it makes sense that they're still relatively power hungry.
Especially given AMD hasn't yet moved to DDR5 or released their V-cache.
PCIE5 and DDR5 are some nice extras but not a must buy, at least for now.
I have a feeling DDR5 is where most of the performance enhancements have come from.
The power aspect is a big disappointment, the little cores do very little to show their "worth" and the CPU is a power hog, it´s basically factory overclocked, something Intel has been doing over the last years to provide more performance.
I agree; but considering how expensive the E cores are, I guess it makes sense that they're still relatively power hungry.
In the end it´s a great CPU, but it´s not the second Conroe like some guys whished and it´s not going to destroy AMD.
Especially given AMD hasn't yet moved to DDR5 or released their V-cache.
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Senior Member
Posts: 17260
What a fail of cpu. Techpowerup said it cant oc at all unless you put in some crazy volts in it.. nvm 100c+
Even 12700k looks on the limit.
Also gaming, meh.. 11700k it is then.