Intel Core i7-1355U vs Intel Core i7-8550U
60.9Single-core37.7
37.1Multi-core23.8
75.3Efficiencyspec-based66.4
55.7iGPU25.8
50.3Platformspec-based37.2
12 spec wins — Intel Core i7-1355U1 spec wins — Intel Core i7-8550U
InnoReviews verdict
Intel Core i7-1355U wins this laptop processor face-off, 52.6 to 35.9, pulling ahead mainly in iGPU (+30) and single-core (+23). 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 i7-1355U
- Stronger single-core score: 61 vs 38
- Stronger multi-core score: 37 vs 24
- Stronger iGPU score: 56 vs 26
- 285% higher 3DMark Time Spy Graphics (iGPU): 1,496 vs 389
- 200% higher Max memory: 96 GB vs 32 GB
Reasons to pick the Intel Core i7-8550U
No decisive spec advantages — this side competes on price and preference.
General
| Spec | Intel Core i7-1355U | Intel Core i7-8550U |
|---|---|---|
| Announced | 2023 | 2017 |
| Process | 10 nm+29% | 14 nm |
| Base TDP | 15 W | 15 W |
| Max TDP | 55 W+120% | 25 W |
Cores & Clocks
| Spec | Intel Core i7-1355U | Intel Core i7-8550U |
|---|---|---|
| Cores | 10+150% | 4 |
| Performance cores | 2 | — |
| Efficiency cores | 8 | — |
| Threads | 12+50% | 8 |
| Base clock | 1.7 GHz | 1.8 GHz+6% |
| Boost clock | 5 GHz+25% | 4 GHz |
| L3 cache | 12 MB+50% | 8 MB |
Integrated GPU
| Spec | Intel Core i7-1355U | Intel Core i7-8550U |
|---|---|---|
| iGPU | Intel Iris Xe (96 EU) | Intel UHD Graphics 620 |
| iGPU clock | 1,300 MHz | 1,150 MHz |
Memory
| Spec | Intel Core i7-1355U | Intel Core i7-8550U |
|---|---|---|
| Memory support | LPDDR5-6400 / DDR5-5200 / DDR4-3200 / LPDDR4X-4267 | DDR4-2400 / LPDDR3-2133 |
| Max memory | 96 GB+200% | 32 GB |
Benchmarks
| Spec | Intel Core i7-1355U | Intel Core i7-8550U |
|---|---|---|
| Geekbench 6 (single) | 2,491Top 50% | — |
| Geekbench 6 (multi) | 8,984Bottom 32% | — |
| Cinebench R23 (single) | 1,805+77%Top 38% | 1,021Bottom 10% |
| Cinebench R23 (multi) | 8,637+196%Bottom 29% | 2,914Bottom 6% |
| PassMark | 13,837+139%Bottom 27% | 5,794Bottom 8% |
| 3DMark Time Spy Graphics (iGPU) | 1,496+285%Top 42% | 389Bottom 8% |
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