The Intel Core i9-12900KS Review: The Best of Intel's Alder Lake, and the Hottest
by Gavin Bonshor on July 29, 2022 8:00 AM ESTCPU Benchmark Performance: Legacy and Web
In order to gather data to compare with older benchmarks, we are still keeping a number of tests under our ‘legacy’ section. This includes all the former major versions of CineBench (R15, R11.5, R10) as well as x264 HD 3.0 and the first very naïve version of 3DPM v2.1. We won’t be transferring the data over from the old testing into Bench, otherwise, it would be populated with 200 CPUs with only one data point, so it will fill up as we test more CPUs like the others.
The other section here is our web tests.
We are using DDR5 memory at the following settings:
- DDR5-4800(B) CL40
Legacy
Focusing on our older Legacy benchmarks, the Core i9-12900KS is consistently the best performer of all of the processors on test. The additional frequency bumps to both the Performance (P) and Efficiency (E) cores make it slightly better than the Core i9-12900K.
Web
Looking at the performance in our web-based tests, the Core i9-12900KS again beats the competition pretty comprehensively, including the Core i9-12900K, the AMD Ryzen 9 5950X, and the Ryzen 7 5800X3D.
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DazFG - Friday, July 29, 2022 - link
performance per watt for these CPUs is abismall!bug77 - Friday, July 29, 2022 - link
Which is weird, because high-end CPUs (and GPUs, for that matter) are usually hallmarks of efficiency. Right?But yeah, Alder Lake can take so much punishment, your PSU might cave in before the CPU does...
techjunkie123 - Friday, July 29, 2022 - link
Sadly AMD is also headed in this direction with their new CPUs (Zen 4)...... 5.5 GHz and 70% higher TDP for what, 40% or so better MT performance?Apples high end CPU and GPU performance scales quite well with power. They just throw a lot more silicon at the problem, but it is effective.
tamalero - Sunday, July 31, 2022 - link
Eyup, this is another Netburst..bennyg - Monday, August 8, 2022 - link
When you get up to 5ghz, yeah, but OC has always been that way, turbo boost is just factory auto OCDown at 80W in mobile the perf per watt looks far better for the 6p8e parts
It's all Ohm's fault for that law of his
blanarahul - Friday, July 29, 2022 - link
Huh. Makes you wonder how a stock 12900KS would perform under Dry Ice since I doubt any phase change cooler can keep up with the 400 watt heat output.ddhelmet - Friday, July 29, 2022 - link
Factoria updates per seconds are too low.healbunny - Friday, July 29, 2022 - link
stock voltage is way too high, please try undervolt. my 12900ks with undervolt able to get P core all core 5.3Ghz, Ecore 4.2Ghz (vcore 1.2v). 2 core boost is 5.6Ghz at 1.3v vcore. All core full load in cinebench r23 consume 240w, cpu package temperature around 80C. Single core consume around 48W, 53C. (using Msi K360 aio). Score for R23, multi 30006 pts, single 2143pts.Oxford Guy - Saturday, July 30, 2022 - link
You are clearly unfamiliar with their justification for only using JEDEC RAM settings. Undervolting is more complex than picking a vetted XMP profile.Carls Car - Saturday, July 30, 2022 - link
healbunny didn't mention XPM at all.