AMD Ryzen 5 8645HS vs Intel Core i7-1255U
46.2Single-core35.6
31.5Multi-core20
65.4Efficiency75.3
88iGPU34
58.8Platform47.7
13 spec wins — AMD Ryzen 5 8645HS3 spec wins — Intel Core i7-1255U
InnoReviews verdict
AMD Ryzen 5 8645HS wins this laptop processor face-off, 50 to 37.8, pulling ahead mainly in iGPU (+54) and Multi-core (+12). Intel Core i7-1255U 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 Single-core score: 46 vs 36
- Stronger Multi-core score: 32 vs 20
- Stronger iGPU score: 88 vs 34
- Stronger platform score: 59 vs 48
- 300% higher Max memory: 256 GB vs 64 GB
Reasons to pick the Intel Core i7-1255U
- Stronger efficiency score: 75 vs 65
- 67% higher cores: 10 vs 6
- 57% lower Base TDP: 15 W vs 35 W
General
| Spec | AMD Ryzen 5 8645HS | Intel Core i7-1255U |
|---|---|---|
| Announced | 2023 | 2022 |
| Process | 4 nm+60% | 10 nm |
| Base TDP | 35 W | 15 W+57% |
| Max TDP | 54 W | 55 W+2% |
Cores & Clocks
| Spec | AMD Ryzen 5 8645HS | Intel Core i7-1255U |
|---|---|---|
| Cores | 6 | 10+67% |
| Performance cores | 6+200% | 2 |
| Efficiency cores | — | 8 |
| Threads | 12 | 12 |
| Base clock | 4.3 GHz+153% | 1.7 GHz |
| Boost clock | 5 GHz+6% | 4.7 GHz |
| L3 cache | 16 MB+33% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 5 8645HS | Intel Core i7-1255U |
|---|---|---|
| iGPU | AMD Radeon 760M | Intel Iris Xe (96 EU) |
| iGPU clock | 2,600 MHz+108% | 1,250 MHz |
Memory
| Spec | AMD Ryzen 5 8645HS | Intel Core i7-1255U |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 |
| Max memory | 256 GB+300% | 64 GB |
Benchmarks
| Spec | AMD Ryzen 5 8645HS | Intel Core i7-1255U |
|---|---|---|
| Geekbench 6 (single) | 2,520+18% | 2,130 |
| Geekbench 6 (multi) | 10,300+56% | 6,600 |
| Cinebench R23 (single) | 1,700+6% | 1,600 |
| Cinebench R23 (multi) | 13,000+91% | 6,800 |
| PassMark | 24,300+87% | 13,000 |
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