AMD Ryzen 9 8945H vs Intel Core Ultra 7 255U
63.6Single-core60.7
52.5Multi-core40.7
53.8Efficiencyspec-based90.8
—iGPU61.3
61.8Platformspec-based53.6
10 spec wins — AMD Ryzen 9 8945H7 spec wins — Intel Core Ultra 7 255U
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 9 8945H scores 57.3 against 57.2 for Intel Core Ultra 7 255U. Pick by the categories that matter to you — AMD Ryzen 9 8945H edges ahead in multi-core and single-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 8945H
- Stronger multi-core score: 53 vs 41
- 300% higher Performance cores: 8 vs 2
- 100% higher Base clock: 4 GHz vs 2 GHz
- 100% higher Max memory: 256 GB vs 128 GB
- 74% higher Cinebench R23 (multi): 17,604 vs 10,123
Reasons to pick the Intel Core Ultra 7 255U
- 67% lower Base TDP: 15 W vs 45 W
- 50% higher cores: 12 vs 8
- 25% lower process: 3 nm vs 4 nm
General
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255U |
|---|---|---|
| Announced | 2024 | 2025 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 45 W | 15 W+67% |
| Max TDP | 54 W | 57 W+6% |
Cores & Clocks
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255U |
|---|---|---|
| Cores | 8 | 12+50% |
| Performance cores | 8+300% | 2 |
| Efficiency cores | 0 | 10 |
| Threads | 16+14% | 14 |
| Base clock | 4 GHz+100% | 2 GHz |
| Boost clock | 5.2 GHz | 5.2 GHz |
| L3 cache | 16 MB+33% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255U |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Graphics (4 Xe-cores) |
| iGPU clock | 2,800 MHz | 2,100 MHz |
Memory
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255U |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5/X-8400 / DDR5-6400 |
| Max memory | 256 GB+100% | 128 GB |
Benchmarks
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255U |
|---|---|---|
| Geekbench 6 (single) | 2,702+11%Top 37% | 2,428Bottom 40% |
| Geekbench 6 (multi) | 12,650+25%Top 39% | 10,105Bottom 39% |
| Cinebench R23 (single) | 1,813Top 37% | 1,835+1%Top 35% |
| Cinebench R23 (multi) | 17,604+74%Top 25% | 10,123Bottom 38% |
| PassMark | 30,083+69%Top 23% | 17,851Bottom 41% |
| PassMark (single thread) | 3,892+7%Top 32% | 3,642Top 48% |
| 3DMark Time Spy Graphics (iGPU) | — | 1,926Top 40% |
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