Intel Core i7-8550U vs Intel Core Ultra 7 155U
37.7Single-core54.1
23.8Multi-core38.4
66.4Efficiencyspec-based81.9
25.8iGPU—
37.2Platformspec-based51.8
1 spec wins — Intel Core i7-8550U11 spec wins — Intel Core Ultra 7 155U
InnoReviews verdict
Intel Core Ultra 7 155U wins this laptop processor face-off, 52.3 to 35.9, pulling ahead mainly in single-core (+16) and multi-core (+15). Intel Core i7-8550U 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 i7-8550U
No decisive spec advantages — this side competes on price and preference.
Reasons to pick the Intel Core Ultra 7 155U
- Stronger single-core score: 54 vs 38
- Stronger multi-core score: 38 vs 24
- 230% higher Cinebench R23 (multi): 9,627 vs 2,914
- 200% higher cores: 12 vs 4
- 200% higher Max memory: 96 GB vs 32 GB
General
| Spec | Intel Core i7-8550U | Intel Core Ultra 7 155U |
|---|---|---|
| Announced | 2017 | 2023 |
| Process | 14 nm | 7 nm+50% |
| Base TDP | 15 W | 15 W |
| Max TDP | 25 W | 57 W+128% |
Cores & Clocks
| Spec | Intel Core i7-8550U | Intel Core Ultra 7 155U |
|---|---|---|
| Cores | 4 | 12+200% |
| Performance cores | — | 2 |
| Efficiency cores | — | 10 |
| Threads | 8 | 14+75% |
| Base clock | 1.8 GHz+6% | 1.7 GHz |
| Boost clock | 4 GHz | 4.8 GHz+20% |
| L3 cache | 8 MB | 12 MB+50% |
Integrated GPU
| Spec | Intel Core i7-8550U | Intel Core Ultra 7 155U |
|---|---|---|
| iGPU | Intel UHD Graphics 620 | Intel Graphics (4 Xe) |
| iGPU clock | 1,150 MHz | 1,950 MHz |
Memory
| Spec | Intel Core i7-8550U | Intel Core Ultra 7 155U |
|---|---|---|
| Memory support | DDR4-2400 / LPDDR3-2133 | LPDDR5X-7467 / DDR5-5600 |
| Max memory | 32 GB | 96 GB+200% |
Benchmarks
| Spec | Intel Core i7-8550U | Intel Core Ultra 7 155U |
|---|---|---|
| Geekbench 6 (single) | — | 2,195Bottom 30% |
| Geekbench 6 (multi) | — | 8,981Bottom 31% |
| Cinebench R23 (single) | 1,021Bottom 10% | 1,627+59%Bottom 44% |
| Cinebench R23 (multi) | 2,914Bottom 6% | 9,627+230%Bottom 37% |
| PassMark | 5,794Bottom 8% | 16,133+178%Bottom 34% |
| 3DMark Time Spy Graphics (iGPU) | 389Bottom 8% | — |
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