Intel Core Ultra 7 255H vs Intel Core Ultra 7 356H
69.7Single-core80.3
56.8Multi-core57.5
75.7Efficiencyspec-based81.4
75.9iGPU70
60.5Platformspec-based58.2
8 spec wins — Intel Core Ultra 7 255H5 spec wins — Intel Core Ultra 7 356H
InnoReviews verdict
Intel Core Ultra 7 356H wins this laptop processor face-off, 68.2 to 65.3, pulling ahead mainly in single-core (+11) and multi-core (+1). 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 Intel Core Ultra 7 255H
- Stronger iGPU score: 76 vs 70
- 50% higher Performance cores: 6 vs 4
- 44% higher Max TDP: 115 W vs 80 W
- 33% higher L3 cache: 24 MB vs 18 MB
- 31% higher 3DMark Time Spy Graphics (iGPU): 3,719 vs 2,846
Reasons to pick the Intel Core Ultra 7 356H
- Stronger single-core score: 80 vs 70
- 33% lower process: 2 nm vs 3 nm
- 20% higher Efficiency cores: 12 vs 10
- 11% lower Base TDP: 25 W vs 28 W
- 11% higher PassMark: 34,251 vs 30,782
General
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 7 356H |
|---|---|---|
| Announced | 2025 | 2026 |
| Process | 3 nm | 2 nm+33% |
| Base TDP | 28 W | 25 W+11% |
| Max TDP | 115 W+44% | 80 W |
Cores & Clocks
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 7 356H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 6+50% | 4 |
| Efficiency cores | 10 | 12+20% |
| Threads | 16 | 16 |
| Base clock | 2 GHz+5% | 1.9 GHz |
| Boost clock | 5.1 GHz+9% | 4.7 GHz |
| L3 cache | 24 MB+33% | 18 MB |
Integrated GPU
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 7 356H |
|---|---|---|
| iGPU | Intel Arc 140T | Intel Graphics (4 Xe3-cores) |
| iGPU clock | 2,250 MHz | 2,450 MHz |
Memory
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 7 356H |
|---|---|---|
| Memory support | LPDDR5X-8400 / DDR5-6400 | LPDDR5X, DDR5 |
| Max memory | 128 GB | 128 GB |
Benchmarks
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 7 356H |
|---|---|---|
| Geekbench 6 (single) | 2,851Top 29% | — |
| Geekbench 6 (multi) | 15,362Top 23% | — |
| Cinebench R23 (single) | 2,055+1%Top 18% | 2,033Top 20% |
| Cinebench R23 (multi) | 18,624Top 20% | 18,586Top 21% |
| PassMark | 30,782Top 21% | 34,251+11%Top 19% |
| 3DMark Time Spy Graphics (iGPU) | 3,719+31%Top 7% | 2,846Top 19% |
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