Head-to-head

Intel - Core i9-14900K vs AMD - Ryzen 9 7900X

Last updated May 31, 2026 · How Mars Score works

Probe A

Intel

Core i9-14900K

61.1/ 100C

Cores59· 40%

Benchmarks63· 40%

Platform—· 20%

Probe B

AMD

Ryzen 9 7900X

55.6/ 100D

Cores55· 40%

Benchmarks56· 40%

Platform—· 20%

Quick verdict

Between the Core i9-14900K and Ryzen 9 7900X, the Core i9-14900K comes out ahead in cores and tdp, while the Ryzen 9 7900X wins on l3 cache. Overall, the Core i9-14900K scores 61.1 and the Ryzen 9 7900X scores 55.6 on our Mars Score.

Buying advice

Which should you buy?

The Core i9-14900K edges ahead on the Mars Score (61.1 vs 55.6), but the 5.5-point gap is small enough that the right pick comes down to which spec advantages matter to you.

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 cores, tdp, cinebench r23 (multi), among others.

Pick the Ryzen 9 7900X if you care most about l3 cache. Its strongest claims are l3 cache.

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

▲Cores — 100.00% more. 24 vs 12.
▲TDP — 45.00 W less. 125 vs 170.
▲Cinebench R23 (multi) — 36.49% more. 40400 vs 29600.
▲Boost clock — 7.14% more. 6.0 GHz vs 5.6 GHz.

Why AMD - Ryzen 9 7900X wins

▲L3 cache — 77.78% more. 64 MB vs 36 MB.

Full readout

Spec comparison

Cores

Spec	Intel - Core i9-14900K	AMD - Ryzen 9 7900X
Coresⓘ	24lead	12
Threadsⓘ	32lead	24
Base clockⓘ	3.2 GHz	4.7 GHzlead
Boost clockⓘ	6.0 GHzlead	5.6 GHz
L3 cacheⓘ	36 MB	64 MBlead

Platform

Spec	Intel - Core i9-14900K	AMD - Ryzen 9 7900X
Socketⓘ	LGA1700	AM5
TDPⓘ	125 Wlead	170 W
Integrated graphicsⓘ	true	true
DDR5ⓘ	true	true

Benchmarks

Spec	Intel - Core i9-14900K	AMD - Ryzen 9 7900X
Cinebench R23 (multi)ⓘ	40400lead	29600
Cinebench R23 (single)ⓘ	2310lead	2030

Reader questions

Frequently asked

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)→

By manufacturer

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