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Intel - Core Ultra 7 265K vs AMD - Ryzen 9 9950X3D

Last updated · How Mars Score works
Core Ultra 7 265KINTELRENDER
Probe A
Intel
Core Ultra 7 265K
57.7/ 100D
Cores54· 40%
Benchmarks61· 40%
Platform—· 20%
Ryzen 9 9950X3DAMDRENDER
Probe B
AMD
Ryzen 9 9950X3D
62.9/ 100C
Cores60· 40%
Benchmarks66· 40%
Platform—· 20%
Quick verdict

Between the Core Ultra 7 265K and Ryzen 9 9950X3D, the Core Ultra 7 265K comes out ahead in tdp and cores, while the Ryzen 9 9950X3D wins on l3 cache and cinebench r23 (multi). Overall, the Core Ultra 7 265K scores 57.7 and the Ryzen 9 9950X3D scores 62.9 on our Mars Score.

Buying advice

Which should you buy?

The Ryzen 9 9950X3D edges ahead on the Mars Score (57.7 vs 62.9), but the 5.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the Core Ultra 7 265K if you care most about tdp and cores. The biggest gaps in its favor are tdp, cores.

Pick the Ryzen 9 9950X3D 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), boost clock.

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

Bottom line: the Ryzen 9 9950X3D 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 7 265K wins

  • ▲TDP — 45.00 W less. 125 vs 170.
  • ▲Cores — 25.00% more. 20 vs 16.

Why AMD - Ryzen 9 9950X3D wins

  • ▲L3 cache — 326.67% more. 128 MB vs 30 MB.
  • ▲Cinebench R23 (multi) — 20.82% more. 44100 vs 36500.
  • ▲Boost clock — 3.64% more. 5.7 GHz vs 5.5 GHz.
Full readout

Spec comparison

Cores

SpecIntel - Core Ultra 7 265KAMD - Ryzen 9 9950X3D
Coresⓘ20lead16
Threadsⓘ2032lead
Base clockⓘ3.9 GHz4.3 GHzlead
Boost clockⓘ5.5 GHz5.7 GHzlead
L3 cacheⓘ30 MB128 MBlead

Platform

SpecIntel - Core Ultra 7 265KAMD - Ryzen 9 9950X3D
SocketⓘLGA1851AM5
TDPⓘ125 Wlead170 W
Integrated graphicsⓘtruetrue
DDR5ⓘtruetrue

Benchmarks

SpecIntel - Core Ultra 7 265KAMD - Ryzen 9 9950X3D
Cinebench R23 (multi)ⓘ3650044100lead
Cinebench R23 (single)ⓘ21602280lead
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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