AMD Ryzen 9 8945HX vs Intel Core Ultra 7 255H
65.4Single-core69.7
72.2Multi-core56.8
40Efficiencyspec-based75.7
—iGPU75.9
75.4Platformspec-based60.5
7 spec wins — AMD Ryzen 9 8945HX9 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 9 8945HX scores 65.5 against 65.3 for Intel Core Ultra 7 255H. Pick by the categories that matter to you — AMD Ryzen 9 8945HX edges ahead in multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 8945HX
- Stronger multi-core score: 72 vs 57
- 167% higher Performance cores: 16 vs 6
- 167% higher L3 cache: 64 MB vs 24 MB
- 100% higher threads: 32 vs 16
- 86% higher Cinebench R23 (multi): 34,603 vs 18,624
Reasons to pick the Intel Core Ultra 7 255H
- Stronger single-core score: 70 vs 65
- 100% higher Max memory: 128 GB vs 64 GB
- 53% higher Max TDP: 115 W vs 75 W
- 49% lower Base TDP: 28 W vs 55 W
- 40% lower process: 3 nm vs 5 nm
General
| Spec | AMD Ryzen 9 8945HX | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2025 | 2025 |
| Process | 5 nm | 3 nm+40% |
| Base TDP | 55 W | 28 W+49% |
| Max TDP | 75 W | 115 W+53% |
Cores & Clocks
| Spec | AMD Ryzen 9 8945HX | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 16+167% | 6 |
| Efficiency cores | 0 | 10 |
| Threads | 32+100% | 16 |
| Base clock | 2.5 GHz+25% | 2 GHz |
| Boost clock | 5.4 GHz+6% | 5.1 GHz |
| L3 cache | 64 MB+167% | 24 MB |
Integrated GPU
| Spec | AMD Ryzen 9 8945HX | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | AMD Radeon 610M (2 CU) | Intel Arc 140T |
| iGPU clock | 2,200 MHz | 2,250 MHz |
Memory
| Spec | AMD Ryzen 9 8945HX | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | DDR5-5200 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 64 GB | 128 GB+100% |
Benchmarks
| Spec | AMD Ryzen 9 8945HX | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 2,751Top 35% | 2,851+4%Top 26% |
| Geekbench 6 (multi) | 14,423Top 29% | 15,362+7%Top 20% |
| Cinebench R23 (single) | 1,880Top 32% | 2,055+9%Top 15% |
| Cinebench R23 (multi) | 34,603+86%Top 5% | 18,624Top 22% |
| PassMark | 51,254+67%Top 7% | 30,782Top 24% |
| PassMark (single thread) | 3,900Top 34% | 4,310+11%Top 13% |
| 3DMark Time Spy Graphics (iGPU) | — | 3,719Top 11% |
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