Intel Core Ultra 9 275HX vs Intel Processor U300
75.3Single-core52.1
83.1Multi-core27.3
44.4Efficiencyspec-based75.3
60.5iGPU36.9
73.9Platformspec-based42.7
17 spec wins — Intel Core Ultra 9 275HX1 spec wins — Intel Processor U300
InnoReviews verdict
Intel Core Ultra 9 275HX wins this laptop processor face-off, 71.7 to 44, pulling ahead mainly in multi-core (+56) and iGPU (+24). Intel Processor U300 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 Ultra 9 275HX
- Stronger single-core score: 75 vs 52
- Stronger multi-core score: 83 vs 27
- Stronger iGPU score: 61 vs 37
- 700% higher Performance cores: 8 vs 1
- 614% higher Cinebench R23 (multi): 35,000 vs 4,905
Reasons to pick the Intel Processor U300
- 73% lower Base TDP: 15 W vs 55 W
General
| Spec | Intel Core Ultra 9 275HX | Intel Processor U300 |
|---|---|---|
| Announced | 2025 | 2023 |
| Process | 3 nm+70% | 10 nm |
| Base TDP | 55 W | 15 W+73% |
| Max TDP | 160 W+191% | 55 W |
Cores & Clocks
| Spec | Intel Core Ultra 9 275HX | Intel Processor U300 |
|---|---|---|
| Cores | 24+380% | 5 |
| Performance cores | 8+700% | 1 |
| Efficiency cores | 16+300% | 4 |
| Threads | 24+300% | 6 |
| Base clock | 2.7 GHz+125% | 1.2 GHz |
| Boost clock | 5.4 GHz+23% | 4.4 GHz |
| L3 cache | 36 MB+350% | 8 MB |
Integrated GPU
| Spec | Intel Core Ultra 9 275HX | Intel Processor U300 |
|---|---|---|
| iGPU | Intel Arc Graphics (4 Xe) | Intel UHD Graphics (48 EU) |
| iGPU clock | 2,000 MHz | 1,100 MHz |
Memory
| Spec | Intel Core Ultra 9 275HX | Intel Processor U300 |
|---|---|---|
| Memory support | DDR5-6400 | DDR5-5200 / LPDDR5/X-5200 / DDR4-3200 / LPDDR4X-4267 |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | Intel Core Ultra 9 275HX | Intel Processor U300 |
|---|---|---|
| Geekbench 6 (single) | 3,100+52%Top 12% | 2,041Bottom 18% |
| Geekbench 6 (multi) | 21,800+399%Top 5% | 4,369Bottom 5% |
| Cinebench R23 (single) | 2,200+36%Top 6% | 1,616Bottom 37% |
| Cinebench R23 (multi) | 35,000+614%Top 5% | 4,905Bottom 11% |
| PassMark | 55,712+536%Top 5% | 8,758Bottom 12% |
| 3DMark Time Spy Graphics (iGPU) | 1,855+188%Top 37% | 643Bottom 22% |
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