Intel Core 3 100U vs Intel Core Ultra X7 358H
49.4Single-core70
33.6Multi-core58.6
75.3Efficiencyspec-based81.4
—iGPU88.9
45.9Platformspec-based56.4
1 spec wins — Intel Core 3 100U13 spec wins — Intel Core Ultra X7 358H
InnoReviews verdict
Intel Core Ultra X7 358H wins this laptop processor face-off, 67.6 to 47, pulling ahead mainly in multi-core (+25) and single-core (+21). 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 X7 358H
- Stronger single-core score: 70 vs 49
- Stronger multi-core score: 59 vs 34
- 200% higher Efficiency cores: 12 vs 4
- 172% higher PassMark: 33,516 vs 12,302
- 167% higher cores: 16 vs 6
General
| Spec | Intel Core 3 100U | Intel Core Ultra X7 358H |
|---|---|---|
| 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 X7 358H |
|---|---|---|
| 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 | 4.8 GHz+2% |
| L3 cache | 10 MB | 18 MB+80% |
Integrated GPU
| Spec | Intel Core 3 100U | Intel Core Ultra X7 358H |
|---|---|---|
| iGPU | Intel Graphics (64 EU) | Intel Arc B390 |
| iGPU clock | 1,250 MHz | 2,500 MHz |
Memory
| Spec | Intel Core 3 100U | Intel Core Ultra X7 358H |
|---|---|---|
| Memory support | DDR5-5200 / DDR4-3200 / LPDDR5X-5200 / LPDDR4X-4267 | LPDDR5X-9600 |
| Max memory | 96 GB | 96 GB |
Benchmarks
| Spec | Intel Core 3 100U | Intel Core Ultra X7 358H |
|---|---|---|
| Geekbench 6 (single) | 2,295Bottom 30% | 2,865+25%Top 23% |
| Geekbench 6 (multi) | 6,940Bottom 18% | 16,398+136%Top 17% |
| Cinebench R23 (single) | — | 2,061Top 15% |
| Cinebench R23 (multi) | — | 18,086Top 23% |
| PassMark | 12,302Bottom 21% | 33,516+172%Top 19% |
| 3DMark Time Spy Graphics (iGPU) | — | 6,664Top 2% |
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