Intel Core i5-12450HX vs Intel Core Ultra X9 388H
47.6Single-core74.6
40.4Multi-core61.3
28.9Efficiencyspec-based81.4
—iGPU88.3
52.2Platformspec-based56.4
3 spec wins — Intel Core i5-12450HX11 spec wins — Intel Core Ultra X9 388H
InnoReviews verdict
Intel Core Ultra X9 388H wins this laptop processor face-off, 69.6 to 42.4, pulling ahead mainly in single-core (+27) and multi-core (+21). Intel Core i5-12450HX 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 i5-12450HX
- 96% higher Max TDP: 157 W vs 80 W
- 33% higher Max memory: 128 GB vs 96 GB
- 14% higher Base clock: 2.4 GHz vs 2.1 GHz
Reasons to pick the Intel Core Ultra X9 388H
- Stronger single-core score: 75 vs 48
- Stronger multi-core score: 61 vs 40
- 200% higher Efficiency cores: 12 vs 4
- 107% higher PassMark: 36,409 vs 17,605
- 100% higher cores: 16 vs 8
General
| Spec | Intel Core i5-12450HX | Intel Core Ultra X9 388H |
|---|---|---|
| Announced | 2022 | 2026 |
| Process | 10 nm | 2 nm+80% |
| Base TDP | 55 W | 25 W+55% |
| Max TDP | 157 W+96% | 80 W |
Cores & Clocks
| Spec | Intel Core i5-12450HX | Intel Core Ultra X9 388H |
|---|---|---|
| Cores | 8 | 16+100% |
| Performance cores | 4 | 4 |
| Efficiency cores | 4 | 12+200% |
| Threads | 12 | 16+33% |
| Base clock | 2.4 GHz+14% | 2.1 GHz |
| Boost clock | 4.4 GHz | 5.1 GHz+16% |
| L3 cache | 12 MB | 18 MB+50% |
Integrated GPU
| Spec | Intel Core i5-12450HX | Intel Core Ultra X9 388H |
|---|---|---|
| iGPU | Intel UHD Graphics (16 EU) | Intel Arc B390 |
| iGPU clock | 1,300 MHz | 2,500 MHz |
Memory
| Spec | Intel Core i5-12450HX | Intel Core Ultra X9 388H |
|---|---|---|
| Memory support | DDR5-4800 / DDR4-3200 | LPDDR5X |
| Max memory | 128 GB+33% | 96 GB |
Benchmarks
| Spec | Intel Core i5-12450HX | Intel Core Ultra X9 388H |
|---|---|---|
| Geekbench 6 (single) | 2,210Bottom 26% | 3,038+37%Top 15% |
| Geekbench 6 (multi) | 9,230Bottom 34% | 17,395+88%Top 13% |
| Cinebench R23 (single) | — | 2,201Top 6% |
| Cinebench R23 (multi) | — | 18,911Top 19% |
| PassMark | 17,605Bottom 40% | 36,409+107%Top 15% |
| 3DMark Time Spy Graphics (iGPU) | — | 6,501Top 3% |
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