AMD Ryzen 5 8645HS vs Intel Core Ultra X9 388H
46.2Single-core61.9
31.5Multi-core58.7
65.4Efficiency81.4
88iGPU—
58.8Platform50.7
2 spec wins — AMD Ryzen 5 8645HS10 spec wins — Intel Core Ultra X9 388H
InnoReviews verdict
Intel Core Ultra X9 388H wins this laptop processor face-off, 62.1 to 50, pulling ahead mainly in Multi-core (+27) and efficiency (+16). 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 platform score: 59 vs 51
- 105% higher Base clock: 4.3 GHz vs 2.1 GHz
- 50% higher Performance cores: 6 vs 4
Reasons to pick the Intel Core Ultra X9 388H
- Stronger Single-core score: 62 vs 46
- Stronger Multi-core score: 59 vs 32
- Stronger efficiency score: 81 vs 65
- 167% higher cores: 16 vs 6
- 72% higher Geekbench 6 (multi): 17,687 vs 10,300
General
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra X9 388H |
|---|---|---|
| Announced | 2023 | 2026 |
| Process | 4 nm | 2 nm+50% |
| Base TDP | 35 W | 25 W+29% |
| Max TDP | 54 W | 80 W+48% |
Cores & Clocks
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra X9 388H |
|---|---|---|
| Cores | 6 | 16+167% |
| Performance cores | 6+50% | 4 |
| Efficiency cores | — | 12 |
| Threads | 12 | 16+33% |
| Base clock | 4.3 GHz+105% | 2.1 GHz |
| Boost clock | 5 GHz | 5.1 GHz+2% |
| L3 cache | 16 MB | 18 MB+13% |
Integrated GPU
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra X9 388H |
|---|---|---|
| iGPU | AMD Radeon 760M | Intel Arc B390 |
| iGPU clock | 2,600 MHz | — |
Memory
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra X9 388H |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5X |
| Max memory | 256 GB | — |
Benchmarks
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra X9 388H |
|---|---|---|
| Geekbench 6 (single) | 2,520Top 61% | 3,057+21%Top 23% |
| Geekbench 6 (multi) | 10,300Top 82% | 17,687+72%Top 21% |
| Cinebench R23 (single) | 1,700Top 66% | — |
| Cinebench R23 (multi) | 13,000Top 71% | — |
| PassMark | 24,300Top 66% | — |
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