AMD Ryzen 9 8945H vs Intel Core Ultra 7 255H
63.6Single-core69.7
52.5Multi-core56.8
53.8Efficiencyspec-based75.7
—iGPU75.9
61.8Platformspec-based60.5
4 spec wins — AMD Ryzen 9 8945H12 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
Intel Core Ultra 7 255H wins this laptop processor face-off, 65.3 to 57.3, pulling ahead mainly in single-core (+6) and multi-core (+4). 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
- 100% higher Base clock: 4 GHz vs 2 GHz
- 100% higher Max memory: 256 GB vs 128 GB
- 33% higher Performance cores: 8 vs 6
Reasons to pick the Intel Core Ultra 7 255H
- Stronger single-core score: 70 vs 64
- Stronger multi-core score: 57 vs 53
- 113% higher Max TDP: 115 W vs 54 W
- 100% higher cores: 16 vs 8
- 50% higher L3 cache: 24 MB vs 16 MB
General
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2024 | 2025 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 45 W | 28 W+38% |
| Max TDP | 54 W | 115 W+113% |
Cores & Clocks
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 8 | 16+100% |
| Performance cores | 8+33% | 6 |
| Efficiency cores | 0 | 10 |
| Threads | 16 | 16 |
| Base clock | 4 GHz+100% | 2 GHz |
| Boost clock | 5.2 GHz+2% | 5.1 GHz |
| L3 cache | 16 MB | 24 MB+50% |
Integrated GPU
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Arc 140T |
| iGPU clock | 2,800 MHz | 2,250 MHz |
Memory
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 256 GB+100% | 128 GB |
Benchmarks
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 2,702Top 38% | 2,851+6%Top 26% |
| Geekbench 6 (multi) | 12,650Top 39% | 15,362+21%Top 20% |
| Cinebench R23 (single) | 1,813Top 35% | 2,055+13%Top 17% |
| Cinebench R23 (multi) | 17,604Top 22% | 18,624+6%Top 18% |
| PassMark | 30,083Top 21% | 30,782+2%Top 19% |
| 3DMark Time Spy Graphics (iGPU) | — | 3,719Top 7% |
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