Intel Core 3 100U vs Intel Core Ultra 7 356H
49.4Single-core80.3
33.6Multi-core57.5
75.3Efficiencyspec-based81.4
—iGPU70
45.9Platformspec-based58.2
1 spec wins — Intel Core 3 100U11 spec wins — Intel Core Ultra 7 356H
InnoReviews verdict
Intel Core Ultra 7 356H wins this laptop processor face-off, 68.2 to 47, pulling ahead mainly in single-core (+31) and multi-core (+24). Intel Core 3 100U 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 3 100U
- 40% lower Base TDP: 15 W vs 25 W
Reasons to pick the Intel Core Ultra 7 356H
- Stronger single-core score: 80 vs 49
- Stronger multi-core score: 58 vs 34
- 200% higher Efficiency cores: 12 vs 4
- 178% higher PassMark: 34,251 vs 12,302
- 167% higher cores: 16 vs 6
General
| Spec | Intel Core 3 100U | Intel Core Ultra 7 356H |
|---|---|---|
| Announced | 2024 | 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 3 100U | 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 | 4.7 GHz | 4.7 GHz |
| L3 cache | 10 MB | 18 MB+80% |
Integrated GPU
| Spec | Intel Core 3 100U | Intel Core Ultra 7 356H |
|---|---|---|
| iGPU | Intel Graphics (64 EU) | Intel Graphics (4 Xe3-cores) |
| iGPU clock | 1,250 MHz | 2,450 MHz |
Memory
| Spec | Intel Core 3 100U | Intel Core Ultra 7 356H |
|---|---|---|
| Memory support | DDR5-5200 / DDR4-3200 / LPDDR5X-5200 / LPDDR4X-4267 | LPDDR5X, DDR5 |
| Max memory | 96 GB | 128 GB+33% |
Benchmarks
| Spec | Intel Core 3 100U | Intel Core Ultra 7 356H |
|---|---|---|
| Geekbench 6 (single) | 2,295Bottom 35% | — |
| Geekbench 6 (multi) | 6,940Bottom 19% | — |
| Cinebench R23 (single) | — | 2,033Top 19% |
| Cinebench R23 (multi) | — | 18,586Top 20% |
| PassMark | 12,302Bottom 22% | 34,251+178%Top 19% |
| 3DMark Time Spy Graphics (iGPU) | — | 2,846Top 21% |
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