Apple M6 (12-core) vs Intel Core Ultra 7 255H
98.1Single-core69.7
70.6Multi-core56.8
100Efficiencyspec-based75.7
—iGPU75.9
42.2Platformspec-based60.5
5 spec wins — Apple M6 (12-core)5 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
Apple M6 (12-core) wins this laptop processor face-off, 78.4 to 65.3, pulling ahead mainly in single-core (+28) and multi-core (+14). Intel Core Ultra 7 255H still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Apple M6 (12-core)
- Stronger single-core score: 98 vs 70
- Stronger multi-core score: 71 vs 57
- 62% higher Geekbench 6 (single): 4,610 vs 2,851
- 35% higher Geekbench 6 (multi): 20,676 vs 15,362
- 33% lower process: 2 nm vs 3 nm
Reasons to pick the Intel Core Ultra 7 255H
- 300% higher Max memory: 128 GB vs 32 GB
- 67% higher Efficiency cores: 10 vs 6
- 33% higher cores: 16 vs 12
- 33% higher threads: 16 vs 12
General
| Spec | Apple M6 (12-core) | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2026 | 2025 |
| Process | 2 nm+33% | 3 nm |
| Base TDP | — | 28 W |
| Max TDP | — | 115 W |
Cores & Clocks
| Spec | Apple M6 (12-core) | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 12 | 16+33% |
| Performance cores | 6 | 6 |
| Efficiency cores | 6 | 10+67% |
| Threads | 12 | 16+33% |
| Base clock | — | 2 GHz |
| Boost clock | 4.8 GHz | 5.1 GHz+6% |
| L3 cache | — | 24 MB |
Integrated GPU
| Spec | Apple M6 (12-core) | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | Apple 12-core GPU | Intel Arc 140T |
| iGPU clock | — | 2,250 MHz |
Memory
| Spec | Apple M6 (12-core) | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | LPDDR5X | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 32 GB | 128 GB+300% |
Benchmarks
| Spec | Apple M6 (12-core) | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 4,610+62%Top 2% | 2,851Top 29% |
| Geekbench 6 (multi) | 20,676+35%Top 11% | 15,362Top 23% |
| Cinebench R23 (single) | — | 2,055Top 18% |
| Cinebench R23 (multi) | — | 18,624Top 20% |
| PassMark | 36,310+18%Top 17% | 30,782Top 21% |
| 3DMark Time Spy Graphics (iGPU) | — | 3,719Top 7% |
Related comparisons
Apple M6 (12-core)vs Qualcomm Snapdragon X2 Elite ExtremeVSApple M6 (12-core)vs Apple M4 Max (16-core)VSApple M6 (12-core)vs AMD Ryzen AI Max+ 395VSApple M6 (12-core)vs Apple M4 Pro (14-core)VSIntel 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