AMD Ryzen 9 8945H vs Intel Core i7-1255U
63.6Single-core52.8
52.5Multi-core32.6
53.8Efficiencyspec-based75.3
—iGPU55.7
61.8Platformspec-based47.7
13 spec wins — AMD Ryzen 9 8945H4 spec wins — Intel Core i7-1255U
InnoReviews verdict
AMD Ryzen 9 8945H wins this laptop processor face-off, 57.3 to 48.6, pulling ahead mainly in multi-core (+20) and single-core (+11). Intel Core i7-1255U 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
- Stronger single-core score: 64 vs 53
- Stronger multi-core score: 53 vs 33
- 300% higher Performance cores: 8 vs 2
- 300% higher Max memory: 256 GB vs 64 GB
- 159% higher Cinebench R23 (multi): 17,604 vs 6,800
Reasons to pick the Intel Core i7-1255U
- 67% lower Base TDP: 15 W vs 45 W
- 25% higher cores: 10 vs 8
General
| Spec | AMD Ryzen 9 8945H | Intel Core i7-1255U |
|---|---|---|
| Announced | 2024 | 2022 |
| Process | 4 nm+60% | 10 nm |
| Base TDP | 45 W | 15 W+67% |
| Max TDP | 54 W | 55 W+2% |
Cores & Clocks
| Spec | AMD Ryzen 9 8945H | Intel Core i7-1255U |
|---|---|---|
| Cores | 8 | 10+25% |
| Performance cores | 8+300% | 2 |
| Efficiency cores | 0 | 8 |
| Threads | 16+33% | 12 |
| Base clock | 4 GHz+135% | 1.7 GHz |
| Boost clock | 5.2 GHz+11% | 4.7 GHz |
| L3 cache | 16 MB+33% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 9 8945H | Intel Core i7-1255U |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Iris Xe (96 EU) |
| iGPU clock | 2,800 MHz | 1,250 MHz |
Memory
| Spec | AMD Ryzen 9 8945H | Intel Core i7-1255U |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 |
| Max memory | 256 GB+300% | 64 GB |
Benchmarks
| Spec | AMD Ryzen 9 8945H | Intel Core i7-1255U |
|---|---|---|
| Geekbench 6 (single) | 2,702+27%Top 38% | 2,130Bottom 23% |
| Geekbench 6 (multi) | 12,650+92%Top 39% | 6,600Bottom 17% |
| Cinebench R23 (single) | 1,813+13%Top 35% | 1,600Bottom 39% |
| Cinebench R23 (multi) | 17,604+159%Top 22% | 6,800Bottom 20% |
| PassMark | 30,083+132%Top 21% | 12,941Bottom 25% |
| 3DMark Time Spy Graphics (iGPU) | — | 1,496Top 43% |
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