AMD Ryzen 9 8945H vs Intel Core Ultra 9 275HX
63.6Single-core75.3
52.5Multi-core83.1
53.8Efficiencyspec-based44.4
—iGPU60.5
61.8Platformspec-based73.9
2 spec wins — AMD Ryzen 9 8945H13 spec wins — Intel Core Ultra 9 275HX
InnoReviews verdict
Intel Core Ultra 9 275HX wins this laptop processor face-off, 71.7 to 57.3, pulling ahead mainly in multi-core (+31) and single-core (+12). 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
- 48% higher Base clock: 4 GHz vs 2.7 GHz
- 18% lower Base TDP: 45 W vs 55 W
Reasons to pick the Intel Core Ultra 9 275HX
- Stronger single-core score: 75 vs 64
- Stronger multi-core score: 83 vs 53
- 200% higher cores: 24 vs 8
- 196% higher Max TDP: 160 W vs 54 W
- 125% higher L3 cache: 36 MB vs 16 MB
General
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 9 275HX |
|---|---|---|
| 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 9 275HX |
|---|---|---|
| Cores | 8 | 24+200% |
| Performance cores | 8 | 8 |
| Efficiency cores | 0 | 16 |
| Threads | 16 | 24+50% |
| Base clock | 4 GHz+48% | 2.7 GHz |
| Boost clock | 5.2 GHz | 5.4 GHz+4% |
| L3 cache | 16 MB | 36 MB+125% |
Integrated GPU
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 9 275HX |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Arc Graphics (4 Xe) |
| iGPU clock | 2,800 MHz | 2,000 MHz |
Memory
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 9 275HX |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | DDR5-6400 |
| Max memory | 256 GB | 256 GB |
Benchmarks
| Spec | AMD Ryzen 9 8945H | Intel Core Ultra 9 275HX |
|---|---|---|
| Geekbench 6 (single) | 2,702Top 38% | 3,100+15%Top 13% |
| Geekbench 6 (multi) | 12,650Top 39% | 21,800+72%Top 6% |
| Cinebench R23 (single) | 1,813Top 35% | 2,200+21%Top 7% |
| Cinebench R23 (multi) | 17,604Top 22% | 35,000+99%Top 5% |
| PassMark | 30,083Top 21% | 55,712+85%Top 5% |
| 3DMark Time Spy Graphics (iGPU) | — | 1,855Top 37% |
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