AMD Ryzen 5 8645HS vs AMD Ryzen 7 7840HS
46.2Single-core49.8
31.5Multi-core40.8
65.4Efficiency65.4
88iGPU92
58.8Platform61.8
1 spec wins — AMD Ryzen 5 8645HS10 spec wins — AMD Ryzen 7 7840HS
InnoReviews verdict
AMD Ryzen 7 7840HS wins this laptop processor face-off, 55 to 50, pulling ahead mainly in Multi-core (+9) and iGPU (+4). AMD Ryzen 5 8645HS 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 5 8645HS
- 13% higher Base clock: 4.3 GHz vs 3.8 GHz
Reasons to pick the AMD Ryzen 7 7840HS
- Stronger Single-core score: 50 vs 46
- Stronger Multi-core score: 41 vs 32
- Stronger iGPU score: 92 vs 88
- Stronger platform score: 62 vs 59
- 33% higher cores: 8 vs 6
General
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 7 7840HS |
|---|---|---|
| Announced | 2023 | 2023 |
| Process | 4 nm | 4 nm |
| Base TDP | 35 W | 35 W |
| Max TDP | 54 W | 54 W |
Cores & Clocks
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 7 7840HS |
|---|---|---|
| Cores | 6 | 8+33% |
| Performance cores | 6 | 8+33% |
| Threads | 12 | 16+33% |
| Base clock | 4.3 GHz+13% | 3.8 GHz |
| Boost clock | 5 GHz | 5.1 GHz+2% |
| L3 cache | 16 MB | 16 MB |
Integrated GPU
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 7 7840HS |
|---|---|---|
| iGPU | AMD Radeon 760M | AMD Radeon 780M |
| iGPU clock | 2,600 MHz | 2,700 MHz+4% |
Memory
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 7 7840HS |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5X-7500 / DDR5-5600 |
| Max memory | 256 GB | 256 GB |
Benchmarks
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 7 7840HS |
|---|---|---|
| Geekbench 6 (single) | 2,520 | 2,610+4% |
| Geekbench 6 (multi) | 10,300 | 12,600+22% |
| Cinebench R23 (single) | 1,700 | 1,760+4% |
| Cinebench R23 (multi) | 13,000 | 16,600+28% |
| PassMark | 24,300 | 30,600+26% |
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