Intel Core 3 100U vs Intel Core Ultra 9 275HX
49.4Single-core75.3
33.6Multi-core83.1
75.3Efficiencyspec-based44.4
—iGPU60.5
45.9Platformspec-based73.9
1 spec wins — Intel Core 3 100U14 spec wins — Intel Core Ultra 9 275HX
InnoReviews verdict
Intel Core Ultra 9 275HX wins this laptop processor face-off, 71.7 to 47, pulling ahead mainly in multi-core (+49) and single-core (+26). 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
- 73% lower Base TDP: 15 W vs 55 W
Reasons to pick the Intel Core Ultra 9 275HX
- Stronger single-core score: 75 vs 49
- Stronger multi-core score: 83 vs 34
- 353% higher PassMark: 55,712 vs 12,302
- 300% higher cores: 24 vs 6
- 300% higher Performance cores: 8 vs 2
General
| Spec | Intel Core 3 100U | Intel Core Ultra 9 275HX |
|---|---|---|
| Announced | 2024 | 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 3 100U | Intel Core Ultra 9 275HX |
|---|---|---|
| Cores | 6 | 24+300% |
| Performance cores | 2 | 8+300% |
| Efficiency cores | 4 | 16+300% |
| Threads | 8 | 24+200% |
| Base clock | 1.2 GHz | 2.7 GHz+125% |
| Boost clock | 4.7 GHz | 5.4 GHz+15% |
| L3 cache | 10 MB | 36 MB+260% |
Integrated GPU
| Spec | Intel Core 3 100U | Intel Core Ultra 9 275HX |
|---|---|---|
| iGPU | Intel Graphics (64 EU) | Intel Arc Graphics (4 Xe) |
| iGPU clock | 1,250 MHz | 2,000 MHz |
Memory
| Spec | Intel Core 3 100U | Intel Core Ultra 9 275HX |
|---|---|---|
| Memory support | DDR5-5200 / DDR4-3200 / LPDDR5X-5200 / LPDDR4X-4267 | DDR5-6400 |
| Max memory | 96 GB | 256 GB+167% |
Benchmarks
| Spec | Intel Core 3 100U | Intel Core Ultra 9 275HX |
|---|---|---|
| Geekbench 6 (single) | 2,295Bottom 35% | 3,100+35%Top 14% |
| Geekbench 6 (multi) | 6,940Bottom 19% | 21,800+214%Top 6% |
| Cinebench R23 (single) | — | 2,200Top 7% |
| Cinebench R23 (multi) | — | 35,000Top 5% |
| PassMark | 12,302Bottom 22% | 55,712+353%Top 5% |
| 3DMark Time Spy Graphics (iGPU) | — | 1,855Top 37% |
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