Intel Core Ultra 9 275HX vs Intel Core Ultra X9 388H
75.3Single-core74.6
83.1Multi-core61.3
44.4Efficiencyspec-based81.4
60.5iGPU88.3
73.9Platformspec-based56.4
13 spec wins — Intel Core Ultra 9 275HX5 spec wins — Intel Core Ultra X9 388H
InnoReviews verdict
Intel Core Ultra 9 275HX wins this laptop processor face-off, 71.7 to 69.6, pulling ahead mainly in multi-core (+22) and single-core (+1). Intel Core Ultra X9 388H 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 9 275HX
- Stronger multi-core score: 83 vs 61
- 167% higher Max memory: 256 GB vs 96 GB
- 100% higher Max TDP: 160 W vs 80 W
- 100% higher Performance cores: 8 vs 4
- 100% higher L3 cache: 36 MB vs 18 MB
Reasons to pick the Intel Core Ultra X9 388H
- Stronger iGPU score: 88 vs 61
- 250% higher 3DMark Time Spy Graphics (iGPU): 6,501 vs 1,855
- 55% lower Base TDP: 25 W vs 55 W
- 33% lower process: 2 nm vs 3 nm
General
| Spec | Intel Core Ultra 9 275HX | Intel Core Ultra X9 388H |
|---|---|---|
| Announced | 2025 | 2026 |
| Process | 3 nm | 2 nm+33% |
| Base TDP | 55 W | 25 W+55% |
| Max TDP | 160 W+100% | 80 W |
Cores & Clocks
| Spec | Intel Core Ultra 9 275HX | Intel Core Ultra X9 388H |
|---|---|---|
| Cores | 24+50% | 16 |
| Performance cores | 8+100% | 4 |
| Efficiency cores | 16+33% | 12 |
| Threads | 24+50% | 16 |
| Base clock | 2.7 GHz+29% | 2.1 GHz |
| Boost clock | 5.4 GHz+6% | 5.1 GHz |
| L3 cache | 36 MB+100% | 18 MB |
Integrated GPU
| Spec | Intel Core Ultra 9 275HX | Intel Core Ultra X9 388H |
|---|---|---|
| iGPU | Intel Arc Graphics (4 Xe) | Intel Arc B390 |
| iGPU clock | 2,000 MHz | 2,500 MHz |
Memory
| Spec | Intel Core Ultra 9 275HX | Intel Core Ultra X9 388H |
|---|---|---|
| Memory support | DDR5-6400 | LPDDR5X |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | Intel Core Ultra 9 275HX | Intel Core Ultra X9 388H |
|---|---|---|
| Geekbench 6 (single) | 3,100+2%Top 14% | 3,038Top 19% |
| Geekbench 6 (multi) | 21,800+25%Top 7% | 17,395Top 16% |
| Cinebench R23 (single) | 2,200Top 8% | 2,201Top 7% |
| Cinebench R23 (multi) | 35,000+85%Top 6% | 18,911Top 19% |
| PassMark | 55,712+53%Top 6% | 36,409Top 16% |
| 3DMark Time Spy Graphics (iGPU) | 1,855Top 36% | 6,501+250%Top 3% |
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