Intel Core i7-1255U vs Intel Core i7-9750H
52.8Single-core—
32.6Multi-core30.2
75.3Efficiencyspec-based31.6
55.7iGPU26.9
47.7Platformspec-based52.2
7 spec wins — Intel Core i7-1255U3 spec wins — Intel Core i7-9750H
InnoReviews verdict
No overall winner yet: Intel Core i7-9750H 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 i7-1255U
- Stronger iGPU score: 56 vs 27
- 265% higher 3DMark Time Spy Graphics (iGPU): 1,496 vs 410
- 67% lower Base TDP: 15 W vs 45 W
- 67% higher cores: 10 vs 6
- 29% lower process: 10 nm vs 14 nm
Reasons to pick the Intel Core i7-9750H
- 200% higher Performance cores: 6 vs 2
- 100% higher Max memory: 128 GB vs 64 GB
- 53% higher Base clock: 2.6 GHz vs 1.7 GHz
General
| Spec | Intel Core i7-1255U | Intel Core i7-9750H |
|---|---|---|
| Announced | 2022 | 2019 |
| Process | 10 nm+29% | 14 nm |
| Base TDP | 15 W+67% | 45 W |
| Max TDP | 55 W | — |
Cores & Clocks
| Spec | Intel Core i7-1255U | Intel Core i7-9750H |
|---|---|---|
| Cores | 10+67% | 6 |
| Performance cores | 2 | 6+200% |
| Efficiency cores | 8 | — |
| Threads | 12 | 12 |
| Base clock | 1.7 GHz | 2.6 GHz+53% |
| Boost clock | 4.7 GHz+4% | 4.5 GHz |
| L3 cache | 12 MB | 12 MB |
Integrated GPU
| Spec | Intel Core i7-1255U | Intel Core i7-9750H |
|---|---|---|
| iGPU | Intel Iris Xe (96 EU) | Intel UHD Graphics 630 |
| iGPU clock | 1,250 MHz | 1,150 MHz |
Memory
| Spec | Intel Core i7-1255U | Intel Core i7-9750H |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 | DDR4-2666 / LPDDR3-2133 |
| Max memory | 64 GB | 128 GB+100% |
Benchmarks
| Spec | Intel Core i7-1255U | Intel Core i7-9750H |
|---|---|---|
| Geekbench 6 (single) | 2,130Bottom 25% | — |
| Geekbench 6 (multi) | 6,600Bottom 17% | — |
| Cinebench R23 (single) | 1,600Bottom 41% | — |
| Cinebench R23 (multi) | 6,800Bottom 20% | — |
| PassMark | 12,941+23%Bottom 25% | 10,543Bottom 21% |
| 3DMark Time Spy Graphics (iGPU) | 1,496+265%Top 42% | 410Bottom 17% |
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