AMD Ryzen 7 8840U vs Intel Core i7-1355U
62.9Single-core60.9
44.2Multi-core37.1
73.5Efficiencyspec-based75.3
68.5iGPU55.7
55.5Platformspec-based50.3
9 spec wins — AMD Ryzen 7 8840U4 spec wins — Intel Core i7-1355U
InnoReviews verdict
AMD Ryzen 7 8840U wins this laptop processor face-off, 57.4 to 52.6, pulling ahead mainly in iGPU (+13) and multi-core (+7). Intel Core i7-1355U 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 8840U
- Stronger multi-core score: 44 vs 37
- Stronger iGPU score: 69 vs 56
- 300% higher Performance cores: 8 vs 2
- 94% higher Base clock: 3.3 GHz vs 1.7 GHz
- 78% higher 3DMark Time Spy Graphics (iGPU): 2,659 vs 1,496
Reasons to pick the Intel Core i7-1355U
- 83% higher Max TDP: 55 W vs 30 W
- 46% lower Base TDP: 15 W vs 28 W
- 25% higher cores: 10 vs 8
- 11% higher Cinebench R23 (single): 1,805 vs 1,619
General
| Spec | AMD Ryzen 7 8840U | Intel Core i7-1355U |
|---|---|---|
| Announced | 2023 | 2023 |
| 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 8840U | Intel Core i7-1355U |
|---|---|---|
| Cores | 8 | 10+25% |
| Performance cores | 8+300% | 2 |
| Efficiency cores | — | 8 |
| Threads | 16+33% | 12 |
| Base clock | 3.3 GHz+94% | 1.7 GHz |
| Boost clock | 5.1 GHz+2% | 5 GHz |
| L3 cache | 16 MB+33% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 7 8840U | Intel Core i7-1355U |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Iris Xe (96 EU) |
| iGPU clock | 2,700 MHz | 1,300 MHz |
Memory
| Spec | AMD Ryzen 7 8840U | Intel Core i7-1355U |
|---|---|---|
| Memory support | DDR5-5600 / LPDDR5X-7500 | LPDDR5-6400 / DDR5-5200 / DDR4-3200 / LPDDR4X-4267 |
| Max memory | 96 GB | 96 GB |
Benchmarks
| Spec | AMD Ryzen 7 8840U | Intel Core i7-1355U |
|---|---|---|
| Geekbench 6 (single) | — | 2,491Top 50% |
| Geekbench 6 (multi) | — | 8,984Bottom 32% |
| Cinebench R23 (single) | 1,619Bottom 43% | 1,805+11%Top 37% |
| Cinebench R23 (multi) | 12,191+41%Bottom 50% | 8,637Bottom 29% |
| PassMark | 23,390+69%Top 40% | 13,837Bottom 27% |
| 3DMark Time Spy Graphics (iGPU) | 2,659+78%Top 22% | 1,496Top 42% |
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