Intel Core i5-1235U vs Intel Core i7-1355U
49.8Single-core60.9
31.4Multi-core37.1
75.3Efficiencyspec-based75.3
50.3iGPU55.7
47.7Platformspec-based50.3
0 spec wins — Intel Core i5-1235U10 spec wins — Intel Core i7-1355U
InnoReviews verdict
Intel Core i7-1355U wins this laptop processor face-off, 52.6 to 46.9, pulling ahead mainly in single-core (+11) and multi-core (+6). Intel Core i5-1235U still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Intel Core i5-1235U
No decisive spec advantages — this side competes on price and preference.
Reasons to pick the Intel Core i7-1355U
- Stronger single-core score: 61 vs 50
- Stronger multi-core score: 37 vs 31
- Stronger iGPU score: 56 vs 50
- 50% higher Max memory: 96 GB vs 64 GB
- 47% higher Geekbench 6 (multi): 8,984 vs 6,100
General
| Spec | Intel Core i5-1235U | Intel Core i7-1355U |
|---|---|---|
| Announced | 2022 | 2023 |
| Process | 10 nm | 10 nm |
| Base TDP | 15 W | 15 W |
| Max TDP | 55 W | 55 W |
Cores & Clocks
| Spec | Intel Core i5-1235U | Intel Core i7-1355U |
|---|---|---|
| Cores | 10 | 10 |
| Performance cores | 2 | 2 |
| Efficiency cores | 8 | 8 |
| Threads | 12 | 12 |
| Base clock | 1.3 GHz | 1.7 GHz+31% |
| Boost clock | 4.4 GHz | 5 GHz+14% |
| L3 cache | 12 MB | 12 MB |
Integrated GPU
| Spec | Intel Core i5-1235U | Intel Core i7-1355U |
|---|---|---|
| iGPU | Intel Iris Xe (80 EU) | Intel Iris Xe (96 EU) |
| iGPU clock | 1,200 MHz | 1,300 MHz |
Memory
| Spec | Intel Core i5-1235U | Intel Core i7-1355U |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 | LPDDR5-6400 / DDR5-5200 / DDR4-3200 / LPDDR4X-4267 |
| Max memory | 64 GB | 96 GB+50% |
Benchmarks
| Spec | Intel Core i5-1235U | Intel Core i7-1355U |
|---|---|---|
| Geekbench 6 (single) | 2,000Bottom 21% | 2,491+25%Top 50% |
| Geekbench 6 (multi) | 6,100Bottom 14% | 8,984+47%Bottom 32% |
| Cinebench R23 (single) | 1,520Bottom 33% | 1,805+19%Top 38% |
| Cinebench R23 (multi) | 6,200Bottom 18% | 8,637+39%Bottom 29% |
| PassMark | 12,415Bottom 23% | 13,837+11%Bottom 27% |
| 3DMark Time Spy Graphics (iGPU) | 1,175Bottom 45% | 1,496+27%Top 42% |
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