AMD Ryzen 5 8645HS vs Intel Core Ultra 9 285H
46.2Single-core71.8
31.5Multi-core58.6
65.4Efficiency56
88iGPU78
58.8Platform60.5
4 spec wins — AMD Ryzen 5 8645HS12 spec wins — Intel Core Ultra 9 285H
InnoReviews verdict
Intel Core Ultra 9 285H wins this laptop processor face-off, 63.7 to 50, pulling ahead mainly in Multi-core (+27) and Single-core (+26). 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
- Stronger efficiency score: 65 vs 56
- Stronger iGPU score: 88 vs 78
- 100% higher Max memory: 256 GB vs 128 GB
- 48% higher Base clock: 4.3 GHz vs 2.9 GHz
- 22% lower Base TDP: 35 W vs 45 W
Reasons to pick the Intel Core Ultra 9 285H
- Stronger Single-core score: 72 vs 46
- Stronger Multi-core score: 59 vs 32
- 167% higher cores: 16 vs 6
- 113% higher Max TDP: 115 W vs 54 W
- 86% higher Cinebench R23 (multi): 24,200 vs 13,000
General
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra 9 285H |
|---|---|---|
| Announced | 2023 | 2025 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 35 W+22% | 45 W |
| Max TDP | 54 W | 115 W+113% |
Cores & Clocks
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra 9 285H |
|---|---|---|
| Cores | 6 | 16+167% |
| Performance cores | 6 | 6 |
| Efficiency cores | — | 10 |
| Threads | 12 | 16+33% |
| Base clock | 4.3 GHz+48% | 2.9 GHz |
| Boost clock | 5 GHz | 5.4 GHz+8% |
| L3 cache | 16 MB | 24 MB+50% |
Integrated GPU
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra 9 285H |
|---|---|---|
| iGPU | AMD Radeon 760M | Intel Arc 140T |
| iGPU clock | 2,600 MHz+11% | 2,350 MHz |
Memory
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra 9 285H |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 256 GB+100% | 128 GB |
Benchmarks
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra 9 285H |
|---|---|---|
| Geekbench 6 (single) | 2,520 | 3,080+22% |
| Geekbench 6 (multi) | 10,300 | 17,900+74% |
| Cinebench R23 (single) | 1,700 | 2,180+28% |
| Cinebench R23 (multi) | 13,000 | 24,200+86% |
| PassMark | 24,300 | 36,800+51% |
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