AMD Ryzen 7 8745HX vs AMD Ryzen 7 H 255
59.5Single-core59.8
54.7Multi-core51
40Efficiencyspec-based53.8
—iGPU71.7
58.2Platformspec-based61.8
6 spec wins — AMD Ryzen 7 8745HX4 spec wins — AMD Ryzen 7 H 255
InnoReviews verdict
AMD Ryzen 7 H 255 wins this laptop processor face-off, 57.3 to 54.2, pulling ahead mainly in single-core (+0). AMD Ryzen 7 8745HX 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 7 8745HX
- Stronger multi-core score: 55 vs 51
- 100% higher L3 cache: 32 MB vs 16 MB
- 39% higher Max TDP: 75 W vs 54 W
- 11% higher PassMark: 31,433 vs 28,205
Reasons to pick the AMD Ryzen 7 H 255
- 300% higher Max memory: 256 GB vs 64 GB
- 20% lower process: 4 nm vs 5 nm
- 18% lower Base TDP: 45 W vs 55 W
General
| Spec | AMD Ryzen 7 8745HX | AMD Ryzen 7 H 255 |
|---|---|---|
| Announced | 2025 | 2025 |
| Process | 5 nm | 4 nm+20% |
| Base TDP | 55 W | 45 W+18% |
| Max TDP | 75 W+39% | 54 W |
Cores & Clocks
| Spec | AMD Ryzen 7 8745HX | AMD Ryzen 7 H 255 |
|---|---|---|
| Cores | 8 | 8 |
| Performance cores | 8 | 8 |
| Efficiency cores | 0 | 0 |
| Threads | 16 | 16 |
| Base clock | 3.6 GHz | 3.8 GHz+6% |
| Boost clock | 5.1 GHz+4% | 4.9 GHz |
| L3 cache | 32 MB+100% | 16 MB |
Integrated GPU
| Spec | AMD Ryzen 7 8745HX | AMD Ryzen 7 H 255 |
|---|---|---|
| iGPU | AMD Radeon 610M | AMD Radeon 780M |
| iGPU clock | 2,200 MHz | 2,600 MHz |
Memory
| Spec | AMD Ryzen 7 8745HX | AMD Ryzen 7 H 255 |
|---|---|---|
| Memory support | DDR5-5200 | LPDDR5X-7500 / DDR5-5600 |
| Max memory | 64 GB | 256 GB+300% |
Benchmarks
| Spec | AMD Ryzen 7 8745HX | AMD Ryzen 7 H 255 |
|---|---|---|
| Geekbench 6 (single) | 2,777+9%Top 29% | 2,546Bottom 51% |
| Geekbench 6 (multi) | 13,482+6%Top 32% | 12,670Top 39% |
| Cinebench R23 (single) | — | 1,708Bottom 47% |
| Cinebench R23 (multi) | — | 16,137Top 34% |
| PassMark | 31,433+11%Top 20% | 28,205Top 27% |
| 3DMark Time Spy Graphics (iGPU) | — | 3,077Top 17% |
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