Intel Core i3-N305 vs Intel Core Ultra 7 155H
31.4Single-core56.9
28Multi-core48.3
75.3Efficiencyspec-based66.9
34.1iGPU72.7
30.5Platformspec-based63.1
2 spec wins — Intel Core i3-N30515 spec wins — Intel Core Ultra 7 155H
InnoReviews verdict
Intel Core Ultra 7 155H wins this laptop processor face-off, 57.9 to 36.9, pulling ahead mainly in iGPU (+39) and single-core (+26). Intel Core i3-N305 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 i3-N305
- 46% lower Base TDP: 15 W vs 28 W
- 29% higher Base clock: 1.8 GHz vs 1.4 GHz
Reasons to pick the Intel Core Ultra 7 155H
- Stronger single-core score: 57 vs 31
- Stronger multi-core score: 48 vs 28
- Stronger iGPU score: 73 vs 34
- 500% higher Max memory: 96 GB vs 16 GB
- 469% higher 3DMark Time Spy Graphics (iGPU): 3,225 vs 567
General
| Spec | Intel Core i3-N305 | Intel Core Ultra 7 155H |
|---|---|---|
| Announced | 2023 | 2023 |
| Process | 10 nm | 7 nm+30% |
| Base TDP | 15 W+46% | 28 W |
| Max TDP | 35 W | 115 W+229% |
Cores & Clocks
| Spec | Intel Core i3-N305 | Intel Core Ultra 7 155H |
|---|---|---|
| Cores | 8 | 16+100% |
| Performance cores | 0 | 6 |
| Efficiency cores | 8 | 10+25% |
| Threads | 8 | 22+175% |
| Base clock | 1.8 GHz+29% | 1.4 GHz |
| Boost clock | 3.8 GHz | 4.8 GHz+26% |
| L3 cache | 6 MB | 24 MB+300% |
Integrated GPU
| Spec | Intel Core i3-N305 | Intel Core Ultra 7 155H |
|---|---|---|
| iGPU | Intel UHD Graphics (32 EU) | Intel Arc Graphics (8 Xe) |
| iGPU clock | 1,250 MHz | 2,250 MHz |
Memory
| Spec | Intel Core i3-N305 | Intel Core Ultra 7 155H |
|---|---|---|
| Memory support | DDR4-3200, DDR5-4800, LPDDR5-4800 | LPDDR5X-7467 / DDR5-5600 |
| Max memory | 16 GB | 96 GB+500% |
Benchmarks
| Spec | Intel Core i3-N305 | Intel Core Ultra 7 155H |
|---|---|---|
| Geekbench 6 (single) | 1,274Bottom 6% | 2,320+82%Bottom 37% |
| Geekbench 6 (multi) | 4,681Bottom 9% | 12,100+158%Top 47% |
| Cinebench R23 (single) | 983Bottom 9% | 1,700+73%Top 49% |
| Cinebench R23 (multi) | 5,049Bottom 13% | 14,900+195%Top 33% |
| PassMark | 9,350Bottom 17% | 24,448+161%Top 37% |
| 3DMark Time Spy Graphics (iGPU) | 567Bottom 23% | 3,225+469%Top 14% |
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