AMD Ryzen 5 8645HS vs Intel Core Ultra X9 388H
59.3Single-core74.6
44.1Multi-core61.3
65.4Efficiencyspec-based81.4
64.9iGPU88.3
58.8Platformspec-based56.4
3 spec wins — AMD Ryzen 5 8645HS14 spec wins — Intel Core Ultra X9 388H
InnoReviews verdict
Intel Core Ultra X9 388H wins this laptop processor face-off, 69.6 to 55.4, pulling ahead mainly in iGPU (+23) and multi-core (+17). 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
- 167% higher Max memory: 256 GB vs 96 GB
- 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: 75 vs 59
- Stronger multi-core score: 61 vs 44
- Stronger iGPU score: 88 vs 65
- 188% higher 3DMark Time Spy Graphics (iGPU): 6,501 vs 2,260
- 167% higher cores: 16 vs 6
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 | 2,500 MHz |
Memory
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra X9 388H |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5X |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | AMD Ryzen 5 8645HS | Intel Core Ultra X9 388H |
|---|---|---|
| Geekbench 6 (single) | 2,520Bottom 49% | 3,038+21%Top 15% |
| Geekbench 6 (multi) | 10,300Bottom 41% | 17,395+69%Top 13% |
| Cinebench R23 (single) | 1,700Bottom 45% | 2,201+29%Top 6% |
| Cinebench R23 (multi) | 13,000Top 49% | 18,911+45%Top 19% |
| PassMark | 21,977Top 47% | 36,409+66%Top 15% |
| 3DMark Time Spy Graphics (iGPU) | 2,260Top 33% | 6,501+188%Top 3% |
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