Intel Core i7-6500U vs Intel Core Ultra 7 255H
—Single-core69.7
20.4Multi-core56.8
66.4Efficiencyspec-based75.7
20iGPU75.9
28.9Platformspec-based60.5
2 spec wins — Intel Core i7-6500U10 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
No overall winner yet: Intel Core i7-6500U lacks the published benchmark results an Inno Score requires, so there is no Inno Score to compare — we don't rank chips on their spec sheet alone. The spec table below still shows every difference we track.
Which would you pick?
Key differences
Reasons to pick the Intel Core i7-6500U
- 46% lower Base TDP: 15 W vs 28 W
- 25% higher Base clock: 2.5 GHz vs 2 GHz
Reasons to pick the Intel Core Ultra 7 255H
- Stronger multi-core score: 57 vs 20
- Stronger iGPU score: 76 vs 20
- 1314% higher 3DMark Time Spy Graphics (iGPU): 3,719 vs 263
- 840% higher PassMark: 30,782 vs 3,276
- 700% higher cores: 16 vs 2
General
| Spec | Intel Core i7-6500U | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2015 | 2025 |
| Process | 14 nm | 3 nm+79% |
| Base TDP | 15 W+46% | 28 W |
| Max TDP | 25 W | 115 W+360% |
Cores & Clocks
| Spec | Intel Core i7-6500U | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 2 | 16+700% |
| Performance cores | — | 6 |
| Efficiency cores | — | 10 |
| Threads | 4 | 16+300% |
| Base clock | 2.5 GHz+25% | 2 GHz |
| Boost clock | 3.1 GHz | 5.1 GHz+65% |
| L3 cache | 4 MB | 24 MB+500% |
Integrated GPU
| Spec | Intel Core i7-6500U | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | Intel HD Graphics 520 | Intel Arc 140T |
| iGPU clock | 1,050 MHz | 2,250 MHz |
Memory
| Spec | Intel Core i7-6500U | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | DDR4-2133 / LPDDR3-1866 / DDR3L-1600 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 32 GB | 128 GB+300% |
Benchmarks
| Spec | Intel Core i7-6500U | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | — | 2,851Top 29% |
| Geekbench 6 (multi) | — | 15,362Top 23% |
| Cinebench R23 (single) | — | 2,055Top 18% |
| Cinebench R23 (multi) | — | 18,624Top 20% |
| PassMark | 3,276Bottom 4% | 30,782+840%Top 21% |
| 3DMark Time Spy Graphics (iGPU) | 263Bottom 4% | 3,719+1314%Top 7% |
Related comparisons
Intel Core i7-6500Uvs Intel Core i7-7500UVSIntel Core i7-6500Uvs AMD Ryzen 7 3700UVSIntel Core i7-6500Uvs Intel Core i5-8250UVSIntel Core i7-6500Uvs Intel Celeron N4020VSIntel Core Ultra 7 255Hvs Apple M4 (10-core)VSIntel Core Ultra 7 255Hvs AMD Ryzen 9 7945HXVSIntel Core Ultra 7 255Hvs AMD Ryzen AI 9 365VSIntel Core Ultra 7 255Hvs Intel Core Ultra 9 285HVS