Intel Core 5 315 vs Intel Core i7-1255U
54Single-core52.8
35.7Multi-core32.6
93Efficiencyspec-based75.3
—iGPU55.7
37.9Platformspec-based47.7
5 spec wins — Intel Core 5 3157 spec wins — Intel Core i7-1255U
InnoReviews verdict
Intel Core 5 315 wins this laptop processor face-off, 50.7 to 48.6, pulling ahead mainly in multi-core (+3) and single-core (+1). Intel Core i7-1255U 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 5 315
- Stronger multi-core score: 36 vs 33
- 80% lower process: 2 nm vs 10 nm
- 18% higher Geekbench 6 (single): 2,516 vs 2,130
- 13% higher Geekbench 6 (multi): 7,454 vs 6,600
- 13% higher PassMark: 14,672 vs 12,941
Reasons to pick the Intel Core i7-1255U
- 100% higher Efficiency cores: 8 vs 4
- 100% higher threads: 12 vs 6
- 100% higher L3 cache: 12 MB vs 6 MB
- 67% higher cores: 10 vs 6
- 57% higher Max TDP: 55 W vs 35 W
General
| Spec | Intel Core 5 315 | Intel Core i7-1255U |
|---|---|---|
| Announced | 2026 | 2022 |
| Process | 2 nm+80% | 10 nm |
| Base TDP | 15 W | 15 W |
| Max TDP | 35 W | 55 W+57% |
Cores & Clocks
| Spec | Intel Core 5 315 | Intel Core i7-1255U |
|---|---|---|
| Cores | 6 | 10+67% |
| Performance cores | 2 | 2 |
| Efficiency cores | 4 | 8+100% |
| Threads | 6 | 12+100% |
| Base clock | 1.5 GHz | 1.7 GHz+13% |
| Boost clock | 4.4 GHz | 4.7 GHz+7% |
| L3 cache | 6 MB | 12 MB+100% |
Integrated GPU
| Spec | Intel Core 5 315 | Intel Core i7-1255U |
|---|---|---|
| iGPU | Intel Graphics (2 Xe3-cores) | Intel Iris Xe (96 EU) |
| iGPU clock | 2,300 MHz | 1,250 MHz |
Memory
| Spec | Intel Core 5 315 | Intel Core i7-1255U |
|---|---|---|
| Memory support | LPDDR5X-7467 / DDR5-6400 | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 |
| Max memory | 64 GB | 64 GB |
Benchmarks
| Spec | Intel Core 5 315 | Intel Core i7-1255U |
|---|---|---|
| Geekbench 6 (single) | 2,516+18%Bottom 51% | 2,130Bottom 23% |
| Geekbench 6 (multi) | 7,454+13%Bottom 23% | 6,600Bottom 17% |
| Cinebench R23 (single) | — | 1,600Bottom 39% |
| Cinebench R23 (multi) | — | 6,800Bottom 20% |
| PassMark | 14,672+13%Bottom 29% | 12,941Bottom 25% |
| 3DMark Time Spy Graphics (iGPU) | — | 1,496Top 43% |
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