AMD Ryzen 7 H 255 vs AMD Ryzen AI 5 340
59.8Single-core66.4
51Multi-core43.6
53.8Efficiencyspec-based73.5
69.7iGPU54.5
61.8Platformspec-based58.8
9 spec wins — AMD Ryzen 7 H 2555 spec wins — AMD Ryzen AI 5 340
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 7 H 255 scores 57.1 against 57.2 for AMD Ryzen AI 5 340. Pick by the categories that matter to you — AMD Ryzen AI 5 340 edges ahead in single-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 H 255
- Stronger multi-core score: 51 vs 44
- Stronger iGPU score: 70 vs 55
- 167% higher Performance cores: 8 vs 3
- 98% higher 3DMark Time Spy Graphics (iGPU): 2,808 vs 1,415
- 90% higher Base clock: 3.8 GHz vs 2 GHz
Reasons to pick the AMD Ryzen AI 5 340
- Stronger single-core score: 66 vs 60
- 38% lower Base TDP: 28 W vs 45 W
- 12% higher Cinebench R23 (single): 1,916 vs 1,708
General
| Spec | AMD Ryzen 7 H 255 | AMD Ryzen AI 5 340 |
|---|---|---|
| Announced | 2025 | 2025 |
| Process | 4 nm | 4 nm |
| Base TDP | 45 W | 28 W+38% |
| Max TDP | 54 W | 54 W |
Cores & Clocks
| Spec | AMD Ryzen 7 H 255 | AMD Ryzen AI 5 340 |
|---|---|---|
| Cores | 8+33% | 6 |
| Performance cores | 8+167% | 3 |
| Efficiency cores | 0 | 3 |
| Threads | 16+33% | 12 |
| Base clock | 3.8 GHz+90% | 2 GHz |
| Boost clock | 4.9 GHz+2% | 4.8 GHz |
| L3 cache | 16 MB | 16 MB |
Integrated GPU
| Spec | AMD Ryzen 7 H 255 | AMD Ryzen AI 5 340 |
|---|---|---|
| iGPU | AMD Radeon 780M | AMD Radeon 840M |
| iGPU clock | 2,600 MHz | 2,900 MHz |
Memory
| Spec | AMD Ryzen 7 H 255 | AMD Ryzen AI 5 340 |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5X-8000 / DDR5-5600 |
| Max memory | 256 GB | 256 GB |
Benchmarks
| Spec | AMD Ryzen 7 H 255 | AMD Ryzen AI 5 340 |
|---|---|---|
| Geekbench 6 (single) | 2,546Bottom 45% | 2,782+9%Top 29% |
| Geekbench 6 (multi) | 12,670+18%Top 40% | 10,765Bottom 42% |
| Cinebench R23 (single) | 1,708Bottom 37% | 1,916+12%Top 30% |
| Cinebench R23 (multi) | 16,137+29%Top 39% | 12,532Bottom 45% |
| PassMark | 28,205+44%Top 31% | 19,625Bottom 41% |
| PassMark (single thread) | 3,668Top 50% | 3,705+1%Top 48% |
| 3DMark Time Spy Graphics (iGPU) | 2,808+98%Top 24% | 1,415Bottom 36% |
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