Intel Core Ultra X9 388H vs Intel Processor U300
74.6Single-core52.1
61.3Multi-core27.3
81.4Efficiencyspec-based75.3
88.3iGPU36.9
56.4Platformspec-based42.7
16 spec wins — Intel Core Ultra X9 388H1 spec wins — Intel Processor U300
InnoReviews verdict
Intel Core Ultra X9 388H wins this laptop processor face-off, 69.6 to 44, pulling ahead mainly in iGPU (+51) and multi-core (+34). Intel Processor U300 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 X9 388H
- Stronger single-core score: 75 vs 52
- Stronger multi-core score: 61 vs 27
- Stronger iGPU score: 88 vs 37
- 911% higher 3DMark Time Spy Graphics (iGPU): 6,501 vs 643
- 316% higher PassMark: 36,409 vs 8,758
Reasons to pick the Intel Processor U300
- 40% lower Base TDP: 15 W vs 25 W
General
| Spec | Intel Core Ultra X9 388H | Intel Processor U300 |
|---|---|---|
| Announced | 2026 | 2023 |
| Process | 2 nm+80% | 10 nm |
| Base TDP | 25 W | 15 W+40% |
| Max TDP | 80 W+45% | 55 W |
Cores & Clocks
| Spec | Intel Core Ultra X9 388H | Intel Processor U300 |
|---|---|---|
| Cores | 16+220% | 5 |
| Performance cores | 4+300% | 1 |
| Efficiency cores | 12+200% | 4 |
| Threads | 16+167% | 6 |
| Base clock | 2.1 GHz+75% | 1.2 GHz |
| Boost clock | 5.1 GHz+16% | 4.4 GHz |
| L3 cache | 18 MB+125% | 8 MB |
Integrated GPU
| Spec | Intel Core Ultra X9 388H | Intel Processor U300 |
|---|---|---|
| iGPU | Intel Arc B390 | Intel UHD Graphics (48 EU) |
| iGPU clock | 2,500 MHz | 1,100 MHz |
Memory
| Spec | Intel Core Ultra X9 388H | Intel Processor U300 |
|---|---|---|
| Memory support | LPDDR5X | DDR5-5200 / LPDDR5/X-5200 / DDR4-3200 / LPDDR4X-4267 |
| Max memory | 96 GB | 96 GB |
Benchmarks
| Spec | Intel Core Ultra X9 388H | Intel Processor U300 |
|---|---|---|
| Geekbench 6 (single) | 3,038+49%Top 15% | 2,041Bottom 18% |
| Geekbench 6 (multi) | 17,395+298%Top 13% | 4,369Bottom 5% |
| Cinebench R23 (single) | 2,201+36%Top 6% | 1,616Bottom 37% |
| Cinebench R23 (multi) | 18,911+286%Top 19% | 4,905Bottom 11% |
| PassMark | 36,409+316%Top 15% | 8,758Bottom 12% |
| 3DMark Time Spy Graphics (iGPU) | 6,501+911%Top 3% | 643Bottom 22% |
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