Intel Core i5-1235U vs Intel Core Ultra 7 155U
49.8Single-core54.1
31.4Multi-core38.4
75.3Efficiencyspec-based81.9
50.3iGPU—
47.7Platformspec-based51.8
0 spec wins — Intel Core i5-1235U14 spec wins — Intel Core Ultra 7 155U
InnoReviews verdict
Intel Core Ultra 7 155U wins this laptop processor face-off, 52.3 to 46.9, pulling ahead mainly in multi-core (+7) and single-core (+4). 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 Ultra 7 155U
- Stronger single-core score: 54 vs 50
- Stronger multi-core score: 38 vs 31
- 55% higher Cinebench R23 (multi): 9,627 vs 6,200
- 50% higher Max memory: 96 GB vs 64 GB
- 47% higher Geekbench 6 (multi): 8,981 vs 6,100
General
| Spec | Intel Core i5-1235U | Intel Core Ultra 7 155U |
|---|---|---|
| Announced | 2022 | 2023 |
| Process | 10 nm | 7 nm+30% |
| Base TDP | 15 W | 15 W |
| Max TDP | 55 W | 57 W+4% |
Cores & Clocks
| Spec | Intel Core i5-1235U | Intel Core Ultra 7 155U |
|---|---|---|
| Cores | 10 | 12+20% |
| Performance cores | 2 | 2 |
| Efficiency cores | 8 | 10+25% |
| Threads | 12 | 14+17% |
| Base clock | 1.3 GHz | 1.7 GHz+31% |
| Boost clock | 4.4 GHz | 4.8 GHz+9% |
| L3 cache | 12 MB | 12 MB |
Integrated GPU
| Spec | Intel Core i5-1235U | Intel Core Ultra 7 155U |
|---|---|---|
| iGPU | Intel Iris Xe (80 EU) | Intel Graphics (4 Xe) |
| iGPU clock | 1,200 MHz | 1,950 MHz |
Memory
| Spec | Intel Core i5-1235U | Intel Core Ultra 7 155U |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 | LPDDR5X-7467 / DDR5-5600 |
| Max memory | 64 GB | 96 GB+50% |
Benchmarks
| Spec | Intel Core i5-1235U | Intel Core Ultra 7 155U |
|---|---|---|
| Geekbench 6 (single) | 2,000Bottom 21% | 2,195+10%Bottom 30% |
| Geekbench 6 (multi) | 6,100Bottom 14% | 8,981+47%Bottom 31% |
| Cinebench R23 (single) | 1,520Bottom 33% | 1,627+7%Bottom 44% |
| Cinebench R23 (multi) | 6,200Bottom 18% | 9,627+55%Bottom 37% |
| PassMark | 12,415Bottom 23% | 16,133+30%Bottom 34% |
| 3DMark Time Spy Graphics (iGPU) | 1,175Bottom 45% | — |
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