Between the Core Ultra 7 265 and Ryzen 7 9700X3D, the Core Ultra 7 265 comes out ahead in cores and tdp, while the Ryzen 7 9700X3D wins on l3 cache and boost clock. Overall, the Core Ultra 7 265 scores 56.2 and the Ryzen 7 9700X3D scores 52.6 on our Mars Score.
Which should you buy?
The Core Ultra 7 265 edges ahead on the Mars Score (56.2 vs 52.6), but the 3.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Core Ultra 7 265 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).
Pick the Ryzen 7 9700X3D if you care most about l3 cache and boost clock. Its strongest claims are l3 cache, boost clock.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Intel - Core Ultra 7 265 wins
- ▲Cores — 150.00% more. 20 vs 8.
- ▲TDP — 55.00 W less. 65 vs 120.
- ▲Cinebench R23 (multi) — 48.25% more. 33800 vs 22800.
Why AMD - Ryzen 7 9700X3D wins
- ▲L3 cache — 220.00% more. 96 MB vs 30 MB.
- ▲Boost clock — 1.89% more. 5.4 GHz vs 5.3 GHz.
Spec comparison
Cores
| Spec | Intel - Core Ultra 7 265 | AMD - Ryzen 7 9700X3D |
|---|---|---|
| Coresⓘ | 20lead | 8 |
| Threadsⓘ | 20lead | 16 |
| Base clockⓘ | 2.4 GHz | 4.4 GHzlead |
| Boost clockⓘ | 5.3 GHz | 5.4 GHzlead |
| L3 cacheⓘ | 30 MB | 96 MBlead |
Platform
| Spec | Intel - Core Ultra 7 265 | AMD - Ryzen 7 9700X3D |
|---|---|---|
| Socketⓘ | LGA1851 | AM5 |
| TDPⓘ | 65 Wlead | 120 W |
| Integrated graphicsⓘ | true | true |
| DDR5ⓘ | true | true |
Benchmarks
| Spec | Intel - Core Ultra 7 265 | AMD - Ryzen 7 9700X3D |
|---|---|---|
| Cinebench R23 (multi)ⓘ | 33800lead | 22800 |
| Cinebench R23 (single)ⓘ | 2120 | 2200lead |
Spec-level deep dives
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