Intel Core i5-1235U vs Intel Core Ultra 9 275HX
30.7Single-core72.8
20Multi-core81.4
75.3Efficiency44.4
32iGPU64
47.7Platform73.9
1 spec wins — Intel Core i5-1235U17 spec wins — Intel Core Ultra 9 275HX
InnoReviews verdict
Intel Core Ultra 9 275HX wins this laptop processor face-off, 70.9 to 36.3, pulling ahead mainly in Multi-core (+61) and Single-core (+42). 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
- Stronger efficiency score: 75 vs 44
- 73% lower Base TDP: 15 W vs 55 W
Reasons to pick the Intel Core Ultra 9 275HX
- Stronger Single-core score: 73 vs 31
- Stronger Multi-core score: 81 vs 20
- Stronger iGPU score: 64 vs 32
- Stronger platform score: 74 vs 48
- 465% higher Cinebench R23 (multi): 35,000 vs 6,200
General
| Spec | Intel Core i5-1235U | Intel Core Ultra 9 275HX |
|---|---|---|
| Announced | 2022 | 2025 |
| Process | 10 nm | 3 nm+70% |
| Base TDP | 15 W+73% | 55 W |
| Max TDP | 55 W | 160 W+191% |
Cores & Clocks
| Spec | Intel Core i5-1235U | Intel Core Ultra 9 275HX |
|---|---|---|
| Cores | 10 | 24+140% |
| Performance cores | 2 | 8+300% |
| Efficiency cores | 8 | 16+100% |
| Threads | 12 | 24+100% |
| Base clock | 1.3 GHz | 2.7 GHz+108% |
| Boost clock | 4.4 GHz | 5.4 GHz+23% |
| L3 cache | 12 MB | 36 MB+200% |
Integrated GPU
| Spec | Intel Core i5-1235U | Intel Core Ultra 9 275HX |
|---|---|---|
| iGPU | Intel Iris Xe (80 EU) | Intel Arc Graphics (4 Xe) |
| iGPU clock | 1,200 MHz | 2,000 MHz+67% |
Memory
| Spec | Intel Core i5-1235U | Intel Core Ultra 9 275HX |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 | DDR5-6400 |
| Max memory | 64 GB | 256 GB+300% |
Benchmarks
| Spec | Intel Core i5-1235U | Intel Core Ultra 9 275HX |
|---|---|---|
| Geekbench 6 (single) | 2,000 | 3,100+55% |
| Geekbench 6 (multi) | 6,100 | 21,800+257% |
| Cinebench R23 (single) | 1,520 | 2,200+45% |
| Cinebench R23 (multi) | 6,200 | 35,000+465% |
| PassMark | 11,800 | 56,500+379% |
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