AMD Ryzen 7 5800U vs Intel Core Ultra 7 251HX
46.5Single-core66.6
37.1Multi-core65.1
81.9Efficiencyspec-based44.4
49.7iGPU—
49.3Platformspec-based68.1
2 spec wins — AMD Ryzen 7 5800U13 spec wins — Intel Core Ultra 7 251HX
InnoReviews verdict
Intel Core Ultra 7 251HX wins this laptop processor face-off, 62.6 to 49.3, pulling ahead mainly in multi-core (+28) and single-core (+20). AMD Ryzen 7 5800U still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 5800U
- 73% lower Base TDP: 15 W vs 55 W
- 33% higher Performance cores: 8 vs 6
Reasons to pick the Intel Core Ultra 7 251HX
- Stronger single-core score: 67 vs 47
- Stronger multi-core score: 65 vs 37
- 540% higher Max TDP: 160 W vs 25 W
- 194% higher Cinebench R23 (multi): 26,001 vs 8,851
- 162% higher PassMark: 47,051 vs 17,953
General
| Spec | AMD Ryzen 7 5800U | Intel Core Ultra 7 251HX |
|---|---|---|
| Announced | 2021 | 2026 |
| Process | 7 nm | 3 nm+57% |
| Base TDP | 15 W+73% | 55 W |
| Max TDP | 25 W | 160 W+540% |
Cores & Clocks
| Spec | AMD Ryzen 7 5800U | Intel Core Ultra 7 251HX |
|---|---|---|
| Cores | 8 | 18+125% |
| Performance cores | 8+33% | 6 |
| Efficiency cores | — | 12 |
| Threads | 16 | 18+13% |
| Base clock | 1.9 GHz | 2.9 GHz+53% |
| Boost clock | 4.4 GHz | 5.1 GHz+16% |
| L3 cache | 16 MB | 30 MB+88% |
Integrated GPU
| Spec | AMD Ryzen 7 5800U | Intel Core Ultra 7 251HX |
|---|---|---|
| iGPU | AMD Radeon Vega 8 | Intel Graphics (3 Xe) |
| iGPU clock | 2,000 MHz | 1,800 MHz |
Memory
| Spec | AMD Ryzen 7 5800U | Intel Core Ultra 7 251HX |
|---|---|---|
| Memory support | DDR4-3200 / LPDDR4-4266 | DDR5-6400 |
| Max memory | — | 256 GB |
Benchmarks
| Spec | AMD Ryzen 7 5800U | Intel Core Ultra 7 251HX |
|---|---|---|
| Geekbench 6 (single) | 1,865Bottom 17% | 2,762+48%Top 33% |
| Geekbench 6 (multi) | 7,934Bottom 24% | 14,233+79%Top 30% |
| Cinebench R23 (single) | 1,425Bottom 23% | 1,941+36%Top 26% |
| Cinebench R23 (multi) | 8,851Bottom 32% | 26,001+194%Top 12% |
| PassMark | 17,953Bottom 44% | 47,051+162%Top 8% |
| 3DMark Time Spy Graphics (iGPU) | 1,142Bottom 42% | — |
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