AMD Ryzen 7 H 255 vs AMD Ryzen 9 8945H
59.8Single-core63.6
51Multi-core52.5
53.8Efficiencyspec-based53.8
71.7iGPU—
61.8Platformspec-based61.8
2 spec wins — AMD Ryzen 7 H 2557 spec wins — AMD Ryzen 9 8945H
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 7 H 255 scores 57.3 against 57.3 for AMD Ryzen 9 8945H. Pick by the categories that matter to you, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 H 255
No decisive spec advantages — this side competes on price and preference.
Reasons to pick the AMD Ryzen 9 8945H
- Stronger single-core score: 64 vs 60
General
| Spec | AMD Ryzen 7 H 255 | AMD Ryzen 9 8945H |
|---|---|---|
| Announced | 2025 | 2024 |
| Process | 4 nm | 4 nm |
| Base TDP | 45 W | 45 W |
| Max TDP | 54 W | 54 W |
Cores & Clocks
| Spec | AMD Ryzen 7 H 255 | AMD Ryzen 9 8945H |
|---|---|---|
| Cores | 8 | 8 |
| Performance cores | 8 | 8 |
| Efficiency cores | 0 | 0 |
| Threads | 16 | 16 |
| Base clock | 3.8 GHz | 4 GHz+5% |
| Boost clock | 4.9 GHz | 5.2 GHz+6% |
| L3 cache | 16 MB | 16 MB |
Integrated GPU
| Spec | AMD Ryzen 7 H 255 | AMD Ryzen 9 8945H |
|---|---|---|
| iGPU | AMD Radeon 780M | AMD Radeon 780M |
| iGPU clock | 2,600 MHz | 2,800 MHz |
Memory
| Spec | AMD Ryzen 7 H 255 | AMD Ryzen 9 8945H |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5X-7500 / DDR5-5600 |
| Max memory | 256 GB | 256 GB |
Benchmarks
| Spec | AMD Ryzen 7 H 255 | AMD Ryzen 9 8945H |
|---|---|---|
| Geekbench 6 (single) | 2,546Bottom 46% | 2,702+6%Top 40% |
| Geekbench 6 (multi) | 12,670Top 40% | 12,650Top 41% |
| Cinebench R23 (single) | 1,708Bottom 42% | 1,813+6%Top 40% |
| Cinebench R23 (multi) | 16,137Top 37% | 17,604+9%Top 27% |
| PassMark | 28,205Top 30% | 30,083+7%Top 25% |
| PassMark (single thread) | 3,668Top 50% | 3,892+6%Top 35% |
| 3DMark Time Spy Graphics (iGPU) | 3,077Top 24% | — |
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