Intel Core i7-8550U vs Intel Core Ultra 7 355
37.7Single-core66.5
23.8Multi-core43.7
66.4Efficiencyspec-based81.4
25.8iGPU70.1
37.2Platformspec-based49.2
1 spec wins — Intel Core i7-8550U12 spec wins — Intel Core Ultra 7 355
InnoReviews verdict
Intel Core Ultra 7 355 wins this laptop processor face-off, 58.5 to 35.9, pulling ahead mainly in iGPU (+44) and single-core (+29). 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
- 40% lower Base TDP: 15 W vs 25 W
Reasons to pick the Intel Core Ultra 7 355
- Stronger single-core score: 67 vs 38
- Stronger multi-core score: 44 vs 24
- Stronger iGPU score: 70 vs 26
- 637% higher 3DMark Time Spy Graphics (iGPU): 2,865 vs 389
- 300% higher Max memory: 128 GB vs 32 GB
General
| Spec | Intel Core i7-8550U | Intel Core Ultra 7 355 |
|---|---|---|
| Announced | 2017 | 2026 |
| Process | 14 nm | 2 nm+86% |
| Base TDP | 15 W+40% | 25 W |
| Max TDP | 25 W | 55 W+120% |
Cores & Clocks
| Spec | Intel Core i7-8550U | Intel Core Ultra 7 355 |
|---|---|---|
| Cores | 4 | 8+100% |
| Performance cores | — | 4 |
| Efficiency cores | — | 4 |
| Threads | 8 | 8 |
| Base clock | 1.8 GHz | 2.3 GHz+28% |
| Boost clock | 4 GHz | 4.7 GHz+18% |
| L3 cache | 8 MB | 12 MB+50% |
Integrated GPU
| Spec | Intel Core i7-8550U | Intel Core Ultra 7 355 |
|---|---|---|
| iGPU | Intel UHD Graphics 620 | Intel Graphics (4 Xe3-cores) |
| iGPU clock | 1,150 MHz | 2,500 MHz |
Memory
| Spec | Intel Core i7-8550U | Intel Core Ultra 7 355 |
|---|---|---|
| Memory support | DDR4-2400 / LPDDR3-2133 | LPDDR5X-7467 / DDR5-6400 |
| Max memory | 32 GB | 128 GB+300% |
Benchmarks
| Spec | Intel Core i7-8550U | Intel Core Ultra 7 355 |
|---|---|---|
| Geekbench 6 (single) | — | 2,725Top 37% |
| Geekbench 6 (multi) | — | 11,367Top 50% |
| Cinebench R23 (single) | 1,021Bottom 9% | 1,958+92%Top 23% |
| Cinebench R23 (multi) | 2,914Bottom 5% | 11,261+286%Bottom 48% |
| PassMark | 5,794Bottom 8% | 20,125+247%Top 50% |
| 3DMark Time Spy Graphics (iGPU) | 389Bottom 8% | 2,865+637%Top 20% |
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