AMD Ryzen 5 8645HS vs AMD Ryzen 9 270
59.3Single-core56.6
44.1Multi-core55.1
65.4Efficiencyspec-based53.8
64.9iGPU—
58.8Platformspec-based55.5
3 spec wins — AMD Ryzen 5 8645HS7 spec wins — AMD Ryzen 9 270
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 5 8645HS scores 55.4 against 55.4 for AMD Ryzen 9 270. Pick by the categories that matter to you — AMD Ryzen 5 8645HS edges ahead in single-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 5 8645HS
- 167% higher Max memory: 256 GB vs 96 GB
- 22% lower Base TDP: 35 W vs 45 W
Reasons to pick the AMD Ryzen 9 270
- Stronger multi-core score: 55 vs 44
- 33% higher cores: 8 vs 6
- 33% higher Performance cores: 8 vs 6
- 33% higher threads: 16 vs 12
- 31% higher PassMark: 28,889 vs 21,977
General
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 9 270 |
|---|---|---|
| Announced | 2023 | 2025 |
| Process | 4 nm | 4 nm |
| Base TDP | 35 W+22% | 45 W |
| Max TDP | 54 W | 54 W |
Cores & Clocks
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 9 270 |
|---|---|---|
| Cores | 6 | 8+33% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | — | 0 |
| Threads | 12 | 16+33% |
| Base clock | 4.3 GHz+7% | 4 GHz |
| Boost clock | 5 GHz | 5.2 GHz+4% |
| L3 cache | 16 MB | 16 MB |
Integrated GPU
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 9 270 |
|---|---|---|
| iGPU | AMD Radeon 760M | AMD Radeon 780M (12 CU) |
| iGPU clock | 2,600 MHz | 2,800 MHz |
Memory
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 9 270 |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | DDR5-5600 / LPDDR5X-7500 |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 9 270 |
|---|---|---|
| Geekbench 6 (single) | 2,520Bottom 45% | — |
| Geekbench 6 (multi) | 10,300Bottom 41% | — |
| Cinebench R23 (single) | 1,700Bottom 41% | — |
| Cinebench R23 (multi) | 13,000Top 50% | — |
| PassMark | 21,977Top 47% | 28,889+31%Top 28% |
| PassMark (single thread) | 3,550Bottom 46% | 3,768+6%Top 44% |
| 3DMark Time Spy Graphics (iGPU) | 2,260Top 40% | — |
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