Intel Core 5 315 vs Intel Core Ultra X9 388H
54Single-core74.6
35.7Multi-core61.3
93Efficiencyspec-based81.4
—iGPU88.3
37.9Platformspec-based56.4
1 spec wins — Intel Core 5 31512 spec wins — Intel Core Ultra X9 388H
InnoReviews verdict
Intel Core Ultra X9 388H wins this laptop processor face-off, 69.6 to 50.7, pulling ahead mainly in multi-core (+26) and single-core (+21). Intel Core 5 315 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
- 40% lower Base TDP: 15 W vs 25 W
Reasons to pick the Intel Core Ultra X9 388H
- Stronger single-core score: 75 vs 54
- Stronger multi-core score: 61 vs 36
- 200% higher Efficiency cores: 12 vs 4
- 200% higher L3 cache: 18 MB vs 6 MB
- 167% higher cores: 16 vs 6
General
| Spec | Intel Core 5 315 | Intel Core Ultra X9 388H |
|---|---|---|
| Announced | 2026 | 2026 |
| Process | 2 nm | 2 nm |
| Base TDP | 15 W+40% | 25 W |
| Max TDP | 35 W | 80 W+129% |
Cores & Clocks
| Spec | Intel Core 5 315 | Intel Core Ultra X9 388H |
|---|---|---|
| Cores | 6 | 16+167% |
| Performance cores | 2 | 4+100% |
| Efficiency cores | 4 | 12+200% |
| Threads | 6 | 16+167% |
| Base clock | 1.5 GHz | 2.1 GHz+40% |
| Boost clock | 4.4 GHz | 5.1 GHz+16% |
| L3 cache | 6 MB | 18 MB+200% |
Integrated GPU
| Spec | Intel Core 5 315 | Intel Core Ultra X9 388H |
|---|---|---|
| iGPU | Intel Graphics (2 Xe3-cores) | Intel Arc B390 |
| iGPU clock | 2,300 MHz | 2,500 MHz |
Memory
| Spec | Intel Core 5 315 | Intel Core Ultra X9 388H |
|---|---|---|
| Memory support | LPDDR5X-7467 / DDR5-6400 | LPDDR5X |
| Max memory | 64 GB | 96 GB+50% |
Benchmarks
| Spec | Intel Core 5 315 | Intel Core Ultra X9 388H |
|---|---|---|
| Geekbench 6 (single) | 2,516Bottom 51% | 3,038+21%Top 17% |
| Geekbench 6 (multi) | 7,454Bottom 23% | 17,395+133%Top 14% |
| Cinebench R23 (single) | — | 2,201Top 6% |
| Cinebench R23 (multi) | — | 18,911Top 17% |
| PassMark | 14,672Bottom 29% | 36,409+148%Top 15% |
| 3DMark Time Spy Graphics (iGPU) | — | 6,501Top 3% |
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