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

Last updated · How Mars Score works
Core i9-14900KINTELRENDER
Probe A
Intel
Core i9-14900K
61.1/ 100C
Cores59· 40%
Benchmarks63· 40%
Platform· 20%
Ryzen 9 7900XAMDRENDER
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

SpecIntel - Core i9-14900KAMD - Ryzen 9 7900X
Cores24lead12
Threads32lead24
Base clock3.2 GHz4.7 GHzlead
Boost clock6.0 GHzlead5.6 GHz
L3 cache36 MB64 MBlead

Platform

SpecIntel - Core i9-14900KAMD - Ryzen 9 7900X
SocketLGA1700AM5
TDP125 Wlead170 W
Integrated graphicstruetrue
DDR5truetrue

Benchmarks

SpecIntel - Core i9-14900KAMD - Ryzen 9 7900X
Cinebench R23 (multi)40400lead29600
Cinebench R23 (single)2310lead2030
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