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Intel - Core i9-14900K vs Intel - Core Ultra 9 285H

Last updated · How Mars Score works
Core i9-14900KINTELRENDER
Probe A
Intel
Core i9-14900K
61.1/ 100C
Cores59· 40%
Benchmarks63· 40%
Platform—· 20%
Core Ultra 9 285HINTELRENDER
Probe B
Intel
Core Ultra 9 285H
51.2/ 100D
Cores53· 40%
Benchmarks50· 40%
Platform—· 20%
Quick verdict

Between the Core i9-14900K and Core Ultra 9 285H, the Core i9-14900K comes out ahead in cinebench r23 (multi) and cores, while the Core Ultra 9 285H wins on tdp. Overall, the Core i9-14900K scores 61.1 and the Core Ultra 9 285H scores 51.2 on our Mars Score.

Buying advice

Which should you buy?

The Core i9-14900K is the clear pick on raw spec strength, leading by 9.9 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

Pick the Core i9-14900K if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are cinebench r23 (multi), cores, l3 cache, among others.

Pick the Core Ultra 9 285H if you care most about tdp. Its strongest claims are tdp.

There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.

Bottom line: the Core i9-14900K is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Intel - Core i9-14900K wins

  • ▲Cinebench R23 (multi) — 87.91% more. 40400 vs 21500.
  • ▲Cores — 50.00% more. 24 vs 16.
  • ▲L3 cache — 50.00% more. 36 MB vs 24 MB.
  • ▲Boost clock — 11.11% more. 6.0 GHz vs 5.4 GHz.

Why Intel - Core Ultra 9 285H wins

  • ▲TDP — 80.00 W less. 45 vs 125.
Full readout

Spec comparison

Cores

SpecIntel - Core i9-14900KIntel - Core Ultra 9 285H
Coresⓘ24lead16
Threadsⓘ32lead16
Base clockⓘ3.2 GHzlead2.9 GHz
Boost clockⓘ6.0 GHzlead5.4 GHz
L3 cacheⓘ36 MBlead24 MB

Platform

SpecIntel - Core i9-14900KIntel - Core Ultra 9 285H
SocketⓘLGA1700BGA
TDPⓘ125 W45 Wlead
Integrated graphicsⓘtruetrue
DDR5ⓘtruetrue

Benchmarks

SpecIntel - Core i9-14900KIntel - Core Ultra 9 285H
Cinebench R23 (multi)ⓘ40400lead21500
Cinebench R23 (single)ⓘ2310lead2050
Drill down

Spec-level deep dives

Cores→Threads→Base clock→Boost clock→L3 cache→Socket→TDP→Integrated graphics→DDR5→Cinebench R23 (multi)→Cinebench R23 (single)→
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