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Intel Core i9-12900KS vs Intel Core Ultra 5 245KF: Comparison

Intel Core i9-12900KS and Intel Core Ultra 5 245KF separate most on l2 cache: Intel Core i9-12900KS at 14 MB, Intel Core Ultra 5 245KF at 26 MB, 46% in favour of Intel Core Ultra 5 245KF. L3 Cache splits them by another 20%, this time favouring Intel Core i9-12900KS. They match on 8 other specifications, including form factor, market segment and efficiency cores.

Intel Core i9-12900KS
IntelIntel Core i9-12900KS
Intel Core Ultra 5 245KF
IntelIntel Core Ultra 5 245KF

Specs

Specification
Intel Core i9-12900KS
Intel Core i9-12900KS
Intel Core Ultra 5 245KF
Intel Core Ultra 5 245KF
Form FactorDesktopDesktop
CodenameAlder LakeArrow Lake-S
Release Year20222024
TDP125 W65 W
iGPUIntel UHD Graphics 770None
Market SegmentDesktopDesktop
SocketLGA 1700LGA 1851
Socket StatusMatureCurrent
Process Node10 nm3 nm
Performance Cores86
Efficiency Cores88
SMT Enabledtruefalse
P-Core Base Clock3.44.2
P-Core Boost Clock5.55.2
E-Core Base Clock2.53.6
E-Core Boost Clock4.04.6
Unlocked Multipliertruetrue
L2 Cache14 MB-46%26 MB
L3 Cache30 MB24 MB-20%
Base Power150 W125 W
Max Turbo Power241159
Memory TypeDDR5 or DDR4DDR5
Max Memory Speed48006400
Memory Channels22
Max Memory Capacity128256
Integrated GraphicsYesNo
Copilot Plus Certifiedfalsefalse
PCIe GenerationPCIe 5.0PCIe 5.0
PCIe Lanes20-17%24
Launch MSRP739294
Retail AvailabilityBoxed RetailBoxed Retail
Cores1614
Threads2414
ArchitectureAlder LakeArrow Lake-S

Verdict

Intel Core i9-12900KS

8.7 / 10 Expert Rating

The Intel Core i9-12900KS is an unlocked flagship desktop chip, a top pick for enthusiasts who want to overclock.

Intel Core Ultra 5 245KF

8.5 / 10 Expert Rating

The Intel Core Ultra 5 245KF is a flagship unlocked desktop Arrow Lake-S processor, a solid pick for overclocking enthusiasts.

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