Intel Core i9-12900HK vs Intel Core Ultra 7 155U
60.5Single-core54.1
51Multi-core38.4
40.5Efficiencyspec-based81.9
55.7iGPU—
59Platformspec-based51.8
12 spec wins — Intel Core i9-12900HK5 spec wins — Intel Core Ultra 7 155U
InnoReviews verdict
This one is close to a dead heat: Intel Core i9-12900HK scores 53.5 against 52.3 for Intel Core Ultra 7 155U. Pick by the categories that matter to you — Intel Core i9-12900HK edges ahead in multi-core and single-core, or by price.
Which would you pick?
Key differences
Reasons to pick the Intel Core i9-12900HK
- Stronger single-core score: 61 vs 54
- Stronger multi-core score: 51 vs 38
- 200% higher Performance cores: 6 vs 2
- 102% higher Max TDP: 115 W vs 57 W
- 100% higher L3 cache: 24 MB vs 12 MB
Reasons to pick the Intel Core Ultra 7 155U
- 67% lower Base TDP: 15 W vs 45 W
- 50% higher Max memory: 96 GB vs 64 GB
- 30% lower process: 7 nm vs 10 nm
- 25% higher Efficiency cores: 10 vs 8
General
| Spec | Intel Core i9-12900HK | Intel Core Ultra 7 155U |
|---|---|---|
| Announced | 2022 | 2023 |
| Process | 10 nm | 7 nm+30% |
| Base TDP | 45 W | 15 W+67% |
| Max TDP | 115 W+102% | 57 W |
Cores & Clocks
| Spec | Intel Core i9-12900HK | Intel Core Ultra 7 155U |
|---|---|---|
| Cores | 14+17% | 12 |
| Performance cores | 6+200% | 2 |
| Efficiency cores | 8 | 10+25% |
| Threads | 20+43% | 14 |
| Base clock | 2.5 GHz+47% | 1.7 GHz |
| Boost clock | 5 GHz+4% | 4.8 GHz |
| L3 cache | 24 MB+100% | 12 MB |
Integrated GPU
| Spec | Intel Core i9-12900HK | Intel Core Ultra 7 155U |
|---|---|---|
| iGPU | Intel Iris Xe (96 EU) | Intel Graphics (4 Xe) |
| iGPU clock | 1,450 MHz | 1,950 MHz |
Memory
| Spec | Intel Core i9-12900HK | Intel Core Ultra 7 155U |
|---|---|---|
| Memory support | DDR5-4800 / LPDDR5-5200 / DDR4-3200 | LPDDR5X-7467 / DDR5-5600 |
| Max memory | 64 GB | 96 GB+50% |
Benchmarks
| Spec | Intel Core i9-12900HK | Intel Core Ultra 7 155U |
|---|---|---|
| Geekbench 6 (single) | 2,450+12%Bottom 48% | 2,195Bottom 30% |
| Geekbench 6 (multi) | 12,700+41%Top 40% | 8,981Bottom 31% |
| Cinebench R23 (single) | 1,810+11%Top 36% | 1,627Bottom 44% |
| Cinebench R23 (multi) | 17,600+83%Top 24% | 9,627Bottom 37% |
| PassMark | 24,954+55%Top 34% | 16,133Bottom 34% |
| 3DMark Time Spy Graphics (iGPU) | 1,496Top 42% | — |
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