AMD Ryzen 9 8945H vs Intel Core Ultra 7 255HX
63.6Single-core72.8
52.5Multi-core73.8
53.8Efficiencyspec-based44.4
61.8Platformspec-based69.6
2 spec wins — AMD Ryzen 9 8945H12 spec wins — Intel Core Ultra 7 255HX
InnoReviews verdict
Intel Core Ultra 7 255HX wins this laptop processor face-off, 67.9 to 57.3, pulling ahead mainly in multi-core (+21) and single-core (+9). AMD Ryzen 9 8945H still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 8945H
- 67% higher Base clock: 4 GHz vs 2.4 GHz
- 18% lower Base TDP: 45 W vs 55 W
Reasons to pick the Intel Core Ultra 7 255HX
- Stronger single-core score: 73 vs 64
- Stronger multi-core score: 74 vs 53
- 196% higher Max TDP: 160 W vs 54 W
- 150% higher cores: 20 vs 8
- 88% higher L3 cache: 30 MB vs 16 MB
General
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255HX |
|---|---|---|
| Announced | 2024 | 2025 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 45 W+18% | 55 W |
| Max TDP | 54 W | 160 W+196% |
Cores & Clocks
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255HX |
|---|---|---|
| Cores | 8 | 20+150% |
| Performance cores | 8 | 8 |
| Efficiency cores | 0 | 12 |
| Threads | 16 | 20+25% |
| Base clock | 4 GHz+67% | 2.4 GHz |
| Boost clock | 5.2 GHz | 5.2 GHz |
| L3 cache | 16 MB | 30 MB+88% |
Integrated GPU
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255HX |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Graphics (4 Xe-cores) |
| iGPU clock | 2,800 MHz | 1,850 MHz |
Memory
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255HX |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | DDR5-6400 |
| Max memory | 256 GB | 256 GB |
Benchmarks
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255HX |
|---|---|---|
| Geekbench 6 (single) | 2,702Top 38% | 2,959+10%Top 17% |
| Geekbench 6 (multi) | 12,650Top 40% | 17,915+42%Top 12% |
| Cinebench R23 (single) | 1,813Top 37% | 2,154+19%Top 10% |
| Cinebench R23 (multi) | 17,604Top 24% | 31,781+81%Top 6% |
| PassMark | 30,083Top 22% | 47,933+59%Top 8% |
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