Intel Core 3 100U vs Intel Core Ultra 7 355
49.4Single-core66.5
33.6Multi-core43.7
75.3Efficiencyspec-based81.4
—iGPU70.1
45.9Platformspec-based49.2
1 spec wins — Intel Core 3 100U10 spec wins — Intel Core Ultra 7 355
InnoReviews verdict
Intel Core Ultra 7 355 wins this laptop processor face-off, 58.5 to 47, pulling ahead mainly in single-core (+17) and multi-core (+10). 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 7 355
- Stronger single-core score: 67 vs 49
- Stronger multi-core score: 44 vs 34
- 100% higher Performance cores: 4 vs 2
- 92% higher Base clock: 2.3 GHz vs 1.2 GHz
- 80% lower process: 2 nm vs 10 nm
General
| Spec | Intel Core 3 100U | Intel Core Ultra 7 355 |
|---|---|---|
| Announced | 2024 | 2026 |
| Process | 10 nm | 2 nm+80% |
| Base TDP | 15 W+40% | 25 W |
| Max TDP | 55 W | 55 W |
Cores & Clocks
| Spec | Intel Core 3 100U | Intel Core Ultra 7 355 |
|---|---|---|
| Cores | 6 | 8+33% |
| Performance cores | 2 | 4+100% |
| Efficiency cores | 4 | 4 |
| Threads | 8 | 8 |
| Base clock | 1.2 GHz | 2.3 GHz+92% |
| Boost clock | 4.7 GHz | 4.7 GHz |
| L3 cache | 10 MB | 12 MB+20% |
Integrated GPU
| Spec | Intel Core 3 100U | Intel Core Ultra 7 355 |
|---|---|---|
| iGPU | Intel Graphics (64 EU) | Intel Graphics (4 Xe3-cores) |
| iGPU clock | 1,250 MHz | 2,500 MHz |
Memory
| Spec | Intel Core 3 100U | Intel Core Ultra 7 355 |
|---|---|---|
| Memory support | DDR5-5200 / DDR4-3200 / LPDDR5X-5200 / LPDDR4X-4267 | LPDDR5X-7467 / DDR5-6400 |
| Max memory | 96 GB | 128 GB+33% |
Benchmarks
| Spec | Intel Core 3 100U | Intel Core Ultra 7 355 |
|---|---|---|
| Geekbench 6 (single) | 2,295Bottom 35% | 2,725+19%Top 37% |
| Geekbench 6 (multi) | 6,940Bottom 19% | 11,367+64%Top 50% |
| Cinebench R23 (single) | — | 1,958Top 23% |
| Cinebench R23 (multi) | — | 11,261Bottom 48% |
| PassMark | 12,302Bottom 22% | 20,125+64%Top 50% |
| 3DMark Time Spy Graphics (iGPU) | — | 2,865Top 20% |
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