AMD Ryzen 7 8840HS vs Intel Core Ultra 7 255HX
60.4Single-core72.8
46.1Multi-core73.8
73.5Efficiencyspec-based44.4
67.9iGPU—
55.5Platformspec-based69.6
2 spec wins — AMD Ryzen 7 8840HS14 spec wins — Intel Core Ultra 7 255HX
InnoReviews verdict
Intel Core Ultra 7 255HX wins this laptop processor face-off, 67.9 to 57.4, pulling ahead mainly in multi-core (+28) and single-core (+12). AMD Ryzen 7 8840HS 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 7 8840HS
- 49% lower Base TDP: 28 W vs 55 W
- 38% higher Base clock: 3.3 GHz vs 2.4 GHz
Reasons to pick the Intel Core Ultra 7 255HX
- Stronger single-core score: 73 vs 60
- Stronger multi-core score: 74 vs 46
- 433% higher Max TDP: 160 W vs 30 W
- 167% higher Max memory: 256 GB vs 96 GB
- 150% higher cores: 20 vs 8
General
| Spec | AMD Ryzen 7 8840HS | Intel Core Ultra 7 255HX |
|---|---|---|
| Announced | 2023 | 2025 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 28 W+49% | 55 W |
| Max TDP | 30 W | 160 W+433% |
Cores & Clocks
| Spec | AMD Ryzen 7 8840HS | Intel Core Ultra 7 255HX |
|---|---|---|
| Cores | 8 | 20+150% |
| Performance cores | 8 | 8 |
| Efficiency cores | 0 | 12 |
| Threads | 16 | 20+25% |
| Base clock | 3.3 GHz+38% | 2.4 GHz |
| Boost clock | 5.1 GHz | 5.2 GHz+2% |
| L3 cache | 16 MB | 30 MB+88% |
Integrated GPU
| Spec | AMD Ryzen 7 8840HS | Intel Core Ultra 7 255HX |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Graphics (4 Xe-cores) |
| iGPU clock | 2,700 MHz | 1,850 MHz |
Memory
| Spec | AMD Ryzen 7 8840HS | Intel Core Ultra 7 255HX |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | DDR5-6400 |
| Max memory | 96 GB | 256 GB+167% |
Benchmarks
| Spec | AMD Ryzen 7 8840HS | Intel Core Ultra 7 255HX |
|---|---|---|
| Geekbench 6 (single) | 2,552Top 49% | 2,959+16%Top 17% |
| Geekbench 6 (multi) | 11,279Bottom 49% | 17,915+59%Top 12% |
| Cinebench R23 (single) | 1,737Bottom 50% | 2,154+24%Top 10% |
| Cinebench R23 (multi) | 13,082Top 48% | 31,781+143%Top 6% |
| PassMark | 24,551Top 37% | 47,933+95%Top 8% |
| 3DMark Time Spy Graphics (iGPU) | 2,591Top 30% | — |
Related comparisons
AMD Ryzen 7 8840HSvs AMD Ryzen 7 8840UVSAMD Ryzen 7 8840HSvs Intel Core Ultra 5 325VSAMD Ryzen 7 8840HSvs Intel Core Ultra 7 256VVSAMD Ryzen 7 8840HSvs Intel Core Ultra 7 258VVSIntel Core Ultra 7 255HXvs AMD Ryzen AI 9 HX 470VSIntel Core Ultra 7 255HXvs Intel Core Ultra 7 356HVSIntel Core Ultra 7 255HXvs Intel Core Ultra X7 358HVSIntel Core Ultra 7 255HXvs Qualcomm Snapdragon X2 Elite X2E-80-100VS