AMD Ryzen 7 7840U vs Intel Core Ultra 7 155U
60.8Single-core54.1
47.5Multi-core38.4
73.5Efficiencyspec-based81.9
68.5iGPU—
61.8Platformspec-based51.8
12 spec wins — AMD Ryzen 7 7840U3 spec wins — Intel Core Ultra 7 155U
InnoReviews verdict
AMD Ryzen 7 7840U wins this laptop processor face-off, 59 to 52.3, pulling ahead mainly in multi-core (+9) and single-core (+7). Intel Core Ultra 7 155U 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 7840U
- Stronger single-core score: 61 vs 54
- Stronger multi-core score: 48 vs 38
- 300% higher Performance cores: 8 vs 2
- 167% higher Max memory: 256 GB vs 96 GB
- 94% higher Base clock: 3.3 GHz vs 1.7 GHz
Reasons to pick the Intel Core Ultra 7 155U
- 90% higher Max TDP: 57 W vs 30 W
- 50% higher cores: 12 vs 8
- 46% lower Base TDP: 15 W vs 28 W
General
| Spec | AMD Ryzen 7 7840U | Intel Core Ultra 7 155U |
|---|---|---|
| Announced | 2023 | 2023 |
| Process | 4 nm+43% | 7 nm |
| Base TDP | 28 W | 15 W+46% |
| Max TDP | 30 W | 57 W+90% |
Cores & Clocks
| Spec | AMD Ryzen 7 7840U | Intel Core Ultra 7 155U |
|---|---|---|
| Cores | 8 | 12+50% |
| Performance cores | 8+300% | 2 |
| Efficiency cores | — | 10 |
| Threads | 16+14% | 14 |
| Base clock | 3.3 GHz+94% | 1.7 GHz |
| Boost clock | 5.1 GHz+6% | 4.8 GHz |
| L3 cache | 16 MB+33% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 7 7840U | Intel Core Ultra 7 155U |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Graphics (4 Xe) |
| iGPU clock | 2,700 MHz | 1,950 MHz |
Memory
| Spec | AMD Ryzen 7 7840U | Intel Core Ultra 7 155U |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5X-7467 / DDR5-5600 |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | AMD Ryzen 7 7840U | Intel Core Ultra 7 155U |
|---|---|---|
| Geekbench 6 (single) | 2,580+18%Top 45% | 2,195Bottom 30% |
| Geekbench 6 (multi) | 11,700+30%Top 48% | 8,981Bottom 31% |
| Cinebench R23 (single) | 1,740+7%Top 45% | 1,627Bottom 44% |
| Cinebench R23 (multi) | 14,500+51%Top 39% | 9,627Bottom 36% |
| PassMark | 24,388+51%Top 38% | 16,133Bottom 34% |
| 3DMark Time Spy Graphics (iGPU) | 2,659Top 22% | — |
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