Intel Core Ultra 7 255H vs Intel Processor U300
69.7Single-core52.1
56.8Multi-core27.3
75.7Efficiencyspec-based75.3
75.9iGPU36.9
60.5Platformspec-based42.7
17 spec wins — Intel Core Ultra 7 255H1 spec wins — Intel Processor U300
InnoReviews verdict
Intel Core Ultra 7 255H wins this laptop processor face-off, 65.3 to 44, pulling ahead mainly in iGPU (+39) and multi-core (+29). 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 7 255H
- Stronger single-core score: 70 vs 52
- Stronger multi-core score: 57 vs 27
- Stronger iGPU score: 76 vs 37
- 500% higher Performance cores: 6 vs 1
- 478% higher 3DMark Time Spy Graphics (iGPU): 3,719 vs 643
Reasons to pick the Intel Processor U300
- 46% lower Base TDP: 15 W vs 28 W
General
| Spec | Intel Core Ultra 7 255H | Intel Processor U300 |
|---|---|---|
| Announced | 2025 | 2023 |
| Process | 3 nm+70% | 10 nm |
| Base TDP | 28 W | 15 W+46% |
| Max TDP | 115 W+109% | 55 W |
Cores & Clocks
| Spec | Intel Core Ultra 7 255H | Intel Processor U300 |
|---|---|---|
| Cores | 16+220% | 5 |
| Performance cores | 6+500% | 1 |
| Efficiency cores | 10+150% | 4 |
| Threads | 16+167% | 6 |
| Base clock | 2 GHz+67% | 1.2 GHz |
| Boost clock | 5.1 GHz+16% | 4.4 GHz |
| L3 cache | 24 MB+200% | 8 MB |
Integrated GPU
| Spec | Intel Core Ultra 7 255H | Intel Processor U300 |
|---|---|---|
| iGPU | Intel Arc 140T | Intel UHD Graphics (48 EU) |
| iGPU clock | 2,250 MHz | 1,100 MHz |
Memory
| Spec | Intel Core Ultra 7 255H | Intel Processor U300 |
|---|---|---|
| Memory support | LPDDR5X-8400 / DDR5-6400 | DDR5-5200 / LPDDR5/X-5200 / DDR4-3200 / LPDDR4X-4267 |
| Max memory | 128 GB+33% | 96 GB |
Benchmarks
| Spec | Intel Core Ultra 7 255H | Intel Processor U300 |
|---|---|---|
| Geekbench 6 (single) | 2,851+40%Top 25% | 2,041Bottom 18% |
| Geekbench 6 (multi) | 15,362+252%Top 20% | 4,369Bottom 5% |
| Cinebench R23 (single) | 2,055+27%Top 17% | 1,616Bottom 37% |
| Cinebench R23 (multi) | 18,624+280%Top 20% | 4,905Bottom 11% |
| PassMark | 30,782+251%Top 21% | 8,758Bottom 12% |
| 3DMark Time Spy Graphics (iGPU) | 3,719+478%Top 7% | 643Bottom 22% |
Related comparisons
Intel Core Ultra 7 255Hvs Apple M4 (10-core)VSIntel Core Ultra 7 255Hvs AMD Ryzen 9 7940HXVSIntel Core Ultra 7 255Hvs AMD Ryzen 9 7945HXVSIntel Core Ultra 7 255Hvs AMD Ryzen AI 9 365VSIntel Processor U300vs Intel Core i7-1165G7VSIntel Processor U300vs AMD Ryzen 5 5600HVSIntel Processor U300vs Intel Core i7-1185G7VSIntel Processor U300vs AMD Ryzen 5 5500UVS