AMD Ryzen 7 7840U vs Intel Core Ultra 7 355
60.8Single-core66.5
47.5Multi-core43.7
73.5Efficiencyspec-based81.4
68.5iGPU70.1
61.8Platformspec-based49.2
9 spec wins — AMD Ryzen 7 7840U7 spec wins — Intel Core Ultra 7 355
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 7 7840U scores 59 against 58.5 for Intel Core Ultra 7 355. Pick by the categories that matter to you — AMD Ryzen 7 7840U edges ahead in multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 7840U
- Stronger multi-core score: 48 vs 44
- 100% higher Performance cores: 8 vs 4
- 100% higher threads: 16 vs 8
- 100% higher Max memory: 256 GB vs 128 GB
- 43% higher Base clock: 3.3 GHz vs 2.3 GHz
Reasons to pick the Intel Core Ultra 7 355
- Stronger single-core score: 67 vs 61
- 83% higher Max TDP: 55 W vs 30 W
- 50% lower process: 2 nm vs 4 nm
- 13% higher Cinebench R23 (single): 1,958 vs 1,740
- 11% lower Base TDP: 25 W vs 28 W
General
| Spec | AMD Ryzen 7 7840U | Intel Core Ultra 7 355 |
|---|---|---|
| Announced | 2023 | 2026 |
| Process | 4 nm | 2 nm+50% |
| Base TDP | 28 W | 25 W+11% |
| Max TDP | 30 W | 55 W+83% |
Cores & Clocks
| Spec | AMD Ryzen 7 7840U | Intel Core Ultra 7 355 |
|---|---|---|
| Cores | 8 | 8 |
| Performance cores | 8+100% | 4 |
| Efficiency cores | — | 4 |
| Threads | 16+100% | 8 |
| Base clock | 3.3 GHz+43% | 2.3 GHz |
| Boost clock | 5.1 GHz+9% | 4.7 GHz |
| L3 cache | 16 MB+33% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 7 7840U | Intel Core Ultra 7 355 |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Graphics (4 Xe3-cores) |
| iGPU clock | 2,700 MHz | 2,500 MHz |
Memory
| Spec | AMD Ryzen 7 7840U | Intel Core Ultra 7 355 |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5X-7467 / DDR5-6400 |
| Max memory | 256 GB+100% | 128 GB |
Benchmarks
| Spec | AMD Ryzen 7 7840U | Intel Core Ultra 7 355 |
|---|---|---|
| Geekbench 6 (single) | 2,580Top 45% | 2,725+6%Top 37% |
| Geekbench 6 (multi) | 11,700+3%Top 47% | 11,367Top 50% |
| Cinebench R23 (single) | 1,740Top 47% | 1,958+13%Top 23% |
| Cinebench R23 (multi) | 14,500+29%Top 39% | 11,261Bottom 48% |
| PassMark | 24,388+21%Top 37% | 20,125Top 50% |
| 3DMark Time Spy Graphics (iGPU) | 2,659Top 23% | 2,865+8%Top 20% |
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