Intel - Core Ultra 7 265K vs AMD - Ryzen AI 9 HX 395+
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Intel - Core Ultra 7 265K | AMD - Ryzen AI 9 HX 395+ |
|---|---|---|
| L3 cache | 30 MB | 64 MB |
| TDP | 125 W | 55 W |
| Cinebench R23 (multi) | 36500 | 27500 |
| Cores | 20 | 16 |
| Boost clock | 5.5 GHz | 5.1 GHz |
Between the Core Ultra 7 265K and Ryzen AI 9 HX 395+, the Core Ultra 7 265K comes out ahead in cinebench r23 (multi) / cores, while the Ryzen AI 9 HX 395+ wins on l3 cache / tdp. Overall, the Core Ultra 7 265K scores 57.7 and the Ryzen AI 9 HX 395+ scores 54.3 on our Mars Score.
Which should you buy?
The Core Ultra 7 265K edges ahead on the Mars Score (57.7 vs 54.3), but the 3.4-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 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 cinebench r23 (multi), cores, boost clock. The single most decisive one: Cinebench R23 (multi) — 32.73% more. 36500 vs 27500.
Pick the Ryzen AI 9 HX 395+ if you care most about l3 cache / tdp. Its strongest claims are l3 cache, tdp. The single most decisive one: L3 cache — 113.33% more. 64 MB vs 30 MB.
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 says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Intel - Core Ultra 7 265K or AMD - Ryzen AI 9 HX 395+?
Intel - Core Ultra 7 265K leads the current Mars Score by 3.4 points.The more useful decision is the trade-off behind that result: compare cores, boost clock, tdp against the way you will actually use the product.
Choose Intel - Core Ultra 7 265K if…
Intel - Core Ultra 7 265K has the measurable edge on cinebench r23 multi, core count, boost clock ghz.
Choose AMD - Ryzen AI 9 HX 395+ if…
AMD - Ryzen AI 9 HX 395+ has the measurable edge on cache l3 mb, tdp w.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Intel - Core Ultra 7 265K wins
- ▲Cinebench R23 (multi) — 32.73% more. 36500 vs 27500.
- ▲Cores — 25.00% more. 20 vs 16.
- ▲Boost clock — 7.84% more. 5.5 GHz vs 5.1 GHz.
Why AMD - Ryzen AI 9 HX 395+ wins
- ▲L3 cache — 113.33% more. 64 MB vs 30 MB.
- ▲TDP — 70.00 W less. 55 vs 125.
Spec comparison
Cores
| Spec | Intel - Core Ultra 7 265K | AMD - Ryzen AI 9 HX 395+ |
|---|---|---|
| Coresⓘ | 20lead | 16 |
| Threadsⓘ | 20 | 32lead |
| Base clockⓘ | 3.9 GHzlead | 3.0 GHz |
| Boost clockⓘ | 5.5 GHzlead | 5.1 GHz |
| L3 cacheⓘ | 30 MB | 64 MBlead |
Platform
| Spec | Intel - Core Ultra 7 265K | AMD - Ryzen AI 9 HX 395+ |
|---|---|---|
| Socketⓘ | LGA1851 | FP11 |
| TDPⓘ | 125 W | 55 Wlead |
| Integrated graphicsⓘ | true | true |
| DDR5ⓘ | true | true |
Benchmarks
| Spec | Intel - Core Ultra 7 265K | AMD - Ryzen AI 9 HX 395+ |
|---|---|---|
| Cinebench R23 (multi)ⓘ | 36500lead | 27500 |
| Cinebench R23 (single)ⓘ | 2160lead | 2050 |