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Intel Core i9-12900K vs Intel 9th Gen Intel Core i9-9900KS: Comparison

Intel Core i9-12900K and Intel 9th Gen Intel Core i9-9900KS separate most on l2 cache: Intel Core i9-12900K at 14 MB, Intel 9th Gen Intel Core i9-9900KS at 2 MB, 86% in favour of Intel Core i9-12900K. L3 Cache splits them by another 47%, again favouring Intel Core i9-12900K. They match on 7 other specifications, including form factor, market segment and performance cores.

Intel Core i9-12900K
IntelIntel Core i9-12900K
9th Gen Intel Core i9-9900KS
IntelIntel 9th Gen Intel Core i9-9900KS

Specs

Specification
Intel Core i9-12900K
Intel Core i9-12900K
9th Gen Intel Core i9-9900KS
Intel 9th Gen Intel Core i9-9900KS
Product LineCoreCore i9
Form FactorDesktopDesktop
Model Numberi9-12900K9900KS
CodenameAlder LakeCoffee Lake Refresh
Release Year20222019
TDP125 W127 W
Market SegmentDesktopDesktop
SocketLGA 1700LGA 1151
Socket StatusMatureEnd of Life
Process Node10 nm14 nm
Performance Cores88
Efficiency Cores80
SMT Enabledtruetrue
P-Core Base Clock3.24.0 GHz
P-Core Boost Clock5.25.0 GHz
L2 Cache14 MB2 MB-86%
L3 Cache30 MB16 MB-47%
Base Power125 W127 W
Max Turbo Power241127 W
Memory TypeDDR5 or DDR4DDR4
Max Memory Speed48002666 MT/s
Memory Channels22
Integrated GraphicsYesYes
iGPU ModelIntel UHD Graphics 770Intel UHD Graphics 630
Copilot Plus Certifiedfalsefalse
PCIe GenerationPCIe 5.03.0
PCIe Lanes2016-20%
Launch MSRP589$513
Retail AvailabilityBoxed RetailRetail
ArchitectureAlder LakeCoffee Lake Refresh, 9th Gen Intel Core

Verdict

Intel Core i9-12900K

7.9 / 10 Expert Rating

The Intel Core i9-12900K is an unlocked overclockable chip, well suited to enthusiast gaming and productivity builds.

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