AMD Ryzen 5 8640HS vs Intel Core Ultra 5 235U
59.3Single-core52
42.5Multi-core40.6
73.5Efficiencyspec-based90.8
65.1iGPU60.5
52.5Platformspec-based53.6
7 spec wins — AMD Ryzen 5 8640HS8 spec wins — Intel Core Ultra 5 235U
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 5 8640HS scores 55.1 against 54.9 for Intel Core Ultra 5 235U. Pick by the categories that matter to you — AMD Ryzen 5 8640HS edges ahead in single-core and iGPU, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 5 8640HS
- Stronger single-core score: 59 vs 52
- Stronger iGPU score: 65 vs 61
- 200% higher Performance cores: 6 vs 2
- 75% higher Base clock: 3.5 GHz vs 2 GHz
- 33% higher L3 cache: 16 MB vs 12 MB
Reasons to pick the Intel Core Ultra 5 235U
- 100% higher cores: 12 vs 6
- 90% higher Max TDP: 57 W vs 30 W
- 46% lower Base TDP: 15 W vs 28 W
- 33% higher Max memory: 128 GB vs 96 GB
- 25% lower process: 3 nm vs 4 nm
General
| Spec | AMD Ryzen 5 8640HS | Intel Core Ultra 5 235U |
|---|---|---|
| Announced | 2023 | 2025 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 28 W | 15 W+46% |
| Max TDP | 30 W | 57 W+90% |
Cores & Clocks
| Spec | AMD Ryzen 5 8640HS | Intel Core Ultra 5 235U |
|---|---|---|
| Cores | 6 | 12+100% |
| Performance cores | 6+200% | 2 |
| Efficiency cores | — | 10 |
| Threads | 12 | 14+17% |
| Base clock | 3.5 GHz+75% | 2 GHz |
| Boost clock | 4.9 GHz | 4.9 GHz |
| L3 cache | 16 MB+33% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 5 8640HS | Intel Core Ultra 5 235U |
|---|---|---|
| iGPU | AMD Radeon 760M | Intel Graphics |
| iGPU clock | 2,600 MHz | 2,050 MHz |
Memory
| Spec | AMD Ryzen 5 8640HS | Intel Core Ultra 5 235U |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5/X-8400 / DDR5-6400 |
| Max memory | 96 GB | 128 GB+33% |
Benchmarks
| Spec | AMD Ryzen 5 8640HS | Intel Core Ultra 5 235U |
|---|---|---|
| Geekbench 6 (single) | 2,497+3%Bottom 40% | 2,422Bottom 31% |
| Geekbench 6 (multi) | 10,338+10%Bottom 39% | 9,395Bottom 29% |
| Cinebench R23 (single) | 1,711Bottom 38% | — |
| Cinebench R23 (multi) | 11,486Bottom 41% | — |
| PassMark | 19,774+14%Bottom 42% | 17,345Bottom 27% |
| PassMark (single thread) | 3,502Bottom 37% | 3,572+2%Bottom 43% |
| 3DMark Time Spy Graphics (iGPU) | 2,281+23%Top 38% | 1,855Top 47% |
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