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Intel - Core Ultra 5 225 vs AMD - Ryzen 9 7900X

Last updated · How Mars Score works
Core Ultra 5 225INTELRENDER
Probe A
Intel
Core Ultra 5 225
47.8/ 100D
Cores48· 40%
Benchmarks47· 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 Ultra 5 225 and Ryzen 9 7900X, the Core Ultra 5 225 comes out ahead in tdp, while the Ryzen 9 7900X wins on l3 cache and cinebench r23 (multi). Overall, the Core Ultra 5 225 scores 47.8 and the Ryzen 9 7900X scores 55.6 on our Mars Score.

Buying advice

Which should you buy?

The Ryzen 9 7900X edges ahead on the Mars Score (47.8 vs 55.6), but the 7.8-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the Core Ultra 5 225 if you care most about tdp. The biggest gaps in its favor are tdp.

Pick the Ryzen 9 7900X if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are l3 cache, cinebench r23 (multi), cores, among others.

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

Bottom line: the Ryzen 9 7900X is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Intel - Core Ultra 5 225 wins

  • ▲TDP — 105.00 W less. 65 vs 170.

Why AMD - Ryzen 9 7900X wins

  • ▲L3 cache — 220.00% more. 64 MB vs 20 MB.
  • ▲Cinebench R23 (multi) — 62.64% more. 29600 vs 18200.
  • ▲Cores — 20.00% more. 12 vs 10.
  • ▲Boost clock — 14.29% more. 5.6 GHz vs 4.9 GHz.
Full readout

Spec comparison

Cores

SpecIntel - Core Ultra 5 225AMD - Ryzen 9 7900X
Coresⓘ1012lead
Threadsⓘ1024lead
Base clockⓘ3.3 GHz4.7 GHzlead
Boost clockⓘ4.9 GHz5.6 GHzlead
L3 cacheⓘ20 MB64 MBlead

Platform

SpecIntel - Core Ultra 5 225AMD - Ryzen 9 7900X
SocketⓘLGA1851AM5
TDPⓘ65 Wlead170 W
Integrated graphicsⓘtruetrue
DDR5ⓘtruetrue

Benchmarks

SpecIntel - Core Ultra 5 225AMD - Ryzen 9 7900X
Cinebench R23 (multi)ⓘ1820029600lead
Cinebench R23 (single)ⓘ19802030lead
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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