Intel Core i3-1215U vs Intel Core Ultra 7 356H
50.7Single-core80.3
28.9Multi-core57.5
75.3Efficiencyspec-based81.4
48.2iGPU70
43.3Platformspec-based58.2
1 spec wins — Intel Core i3-1215U15 spec wins — Intel Core Ultra 7 356H
InnoReviews verdict
Intel Core Ultra 7 356H wins this laptop processor face-off, 68.2 to 45.4, pulling ahead mainly in single-core (+30) and multi-core (+29). Intel Core i3-1215U 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 i3-1215U
- 40% lower Base TDP: 15 W vs 25 W
Reasons to pick the Intel Core Ultra 7 356H
- Stronger single-core score: 80 vs 51
- Stronger multi-core score: 58 vs 29
- Stronger iGPU score: 70 vs 48
- 259% higher Cinebench R23 (multi): 18,586 vs 5,182
- 240% higher PassMark: 34,251 vs 10,082
General
| Spec | Intel Core i3-1215U | Intel Core Ultra 7 356H |
|---|---|---|
| Announced | 2022 | 2026 |
| Process | 10 nm | 2 nm+80% |
| Base TDP | 15 W+40% | 25 W |
| Max TDP | 55 W | 80 W+45% |
Cores & Clocks
| Spec | Intel Core i3-1215U | Intel Core Ultra 7 356H |
|---|---|---|
| Cores | 6 | 16+167% |
| Performance cores | 2 | 4+100% |
| Efficiency cores | 4 | 12+200% |
| Threads | 8 | 16+100% |
| Base clock | 1.2 GHz | 1.9 GHz+58% |
| Boost clock | 4.4 GHz | 4.7 GHz+7% |
| L3 cache | 10 MB | 18 MB+80% |
Integrated GPU
| Spec | Intel Core i3-1215U | Intel Core Ultra 7 356H |
|---|---|---|
| iGPU | Intel UHD Graphics (64 EU) | Intel Graphics (4 Xe3-cores) |
| iGPU clock | 1,100 MHz | 2,450 MHz |
Memory
| Spec | Intel Core i3-1215U | Intel Core Ultra 7 356H |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / DDR4-3200 / LPDDR4X-4267 | LPDDR5X, DDR5 |
| Max memory | 64 GB | 128 GB+100% |
Benchmarks
| Spec | Intel Core i3-1215U | Intel Core Ultra 7 356H |
|---|---|---|
| Geekbench 6 (single) | 2,082Bottom 24% | — |
| Geekbench 6 (multi) | 5,213Bottom 10% | — |
| Cinebench R23 (single) | 1,512Bottom 32% | 2,033+34%Top 20% |
| Cinebench R23 (multi) | 5,182Bottom 16% | 18,586+259%Top 21% |
| PassMark | 10,082Bottom 20% | 34,251+240%Top 19% |
| 3DMark Time Spy Graphics (iGPU) | 1,067Bottom 39% | 2,846+167%Top 19% |
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