AMD Ryzen 7 8840HS vs Intel Core i7-1255U
60.4Single-core52.8
46.1Multi-core32.6
73.5Efficiencyspec-based75.3
67.9iGPU55.7
55.5Platformspec-based47.7
14 spec wins — AMD Ryzen 7 8840HS4 spec wins — Intel Core i7-1255U
InnoReviews verdict
AMD Ryzen 7 8840HS wins this laptop processor face-off, 57.4 to 48.6, pulling ahead mainly in multi-core (+14) and iGPU (+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 7 8840HS
- Stronger single-core score: 60 vs 53
- Stronger multi-core score: 46 vs 33
- Stronger iGPU score: 68 vs 56
- 300% higher Performance cores: 8 vs 2
- 94% higher Base clock: 3.3 GHz vs 1.7 GHz
Reasons to pick the Intel Core i7-1255U
- 83% higher Max TDP: 55 W vs 30 W
- 46% lower Base TDP: 15 W vs 28 W
- 25% higher cores: 10 vs 8
General
| Spec | AMD Ryzen 7 8840HS | Intel Core i7-1255U |
|---|---|---|
| Announced | 2023 | 2022 |
| Process | 4 nm+60% | 10 nm |
| Base TDP | 28 W | 15 W+46% |
| Max TDP | 30 W | 55 W+83% |
Cores & Clocks
| Spec | AMD Ryzen 7 8840HS | Intel Core i7-1255U |
|---|---|---|
| Cores | 8 | 10+25% |
| Performance cores | 8+300% | 2 |
| Efficiency cores | 0 | 8 |
| Threads | 16+33% | 12 |
| Base clock | 3.3 GHz+94% | 1.7 GHz |
| Boost clock | 5.1 GHz+9% | 4.7 GHz |
| L3 cache | 16 MB+33% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 7 8840HS | Intel Core i7-1255U |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Iris Xe (96 EU) |
| iGPU clock | 2,700 MHz | 1,250 MHz |
Memory
| Spec | AMD Ryzen 7 8840HS | Intel Core i7-1255U |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 |
| Max memory | 96 GB+50% | 64 GB |
Benchmarks
| Spec | AMD Ryzen 7 8840HS | Intel Core i7-1255U |
|---|---|---|
| Geekbench 6 (single) | 2,552+20%Top 49% | 2,130Bottom 21% |
| Geekbench 6 (multi) | 11,279+71%Bottom 49% | 6,600Bottom 16% |
| Cinebench R23 (single) | 1,737+9%Bottom 50% | 1,600Bottom 35% |
| Cinebench R23 (multi) | 13,082+92%Top 48% | 6,800Bottom 19% |
| PassMark | 24,551+90%Top 37% | 12,941Bottom 23% |
| 3DMark Time Spy Graphics (iGPU) | 2,591+73%Top 30% | 1,496Top 43% |
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 i7-1255Uvs AMD Ryzen 5 7530UVSIntel Core i7-1255Uvs Intel Core i5-12500HVSIntel Core i7-1255Uvs Qualcomm Snapdragon X X1-26-100VSIntel Core i7-1255Uvs AMD Ryzen 5 7535HSVS

