AMD Ryzen 7 7840HS vs Intel Core Ultra 7 251HX
61.5Single-core66.6
51.2Multi-core65.1
65.4Efficiencyspec-based44.4
68.5iGPU—
61.8Platformspec-based68.1
3 spec wins — AMD Ryzen 7 7840HS11 spec wins — Intel Core Ultra 7 251HX
InnoReviews verdict
Intel Core Ultra 7 251HX wins this laptop processor face-off, 62.6 to 59.2, pulling ahead mainly in multi-core (+14) and single-core (+5). AMD Ryzen 7 7840HS 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 7840HS
- 36% lower Base TDP: 35 W vs 55 W
- 33% higher Performance cores: 8 vs 6
- 31% higher Base clock: 3.8 GHz vs 2.9 GHz
Reasons to pick the Intel Core Ultra 7 251HX
- Stronger single-core score: 67 vs 62
- Stronger multi-core score: 65 vs 51
- 196% higher Max TDP: 160 W vs 54 W
- 125% higher cores: 18 vs 8
- 88% higher L3 cache: 30 MB vs 16 MB
General
| Spec | AMD Ryzen 7 7840HS | Intel Core Ultra 7 251HX |
|---|---|---|
| Announced | 2023 | 2026 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 35 W+36% | 55 W |
| Max TDP | 54 W | 160 W+196% |
Cores & Clocks
| Spec | AMD Ryzen 7 7840HS | Intel Core Ultra 7 251HX |
|---|---|---|
| Cores | 8 | 18+125% |
| Performance cores | 8+33% | 6 |
| Efficiency cores | — | 12 |
| Threads | 16 | 18+13% |
| Base clock | 3.8 GHz+31% | 2.9 GHz |
| Boost clock | 5.1 GHz | 5.1 GHz |
| L3 cache | 16 MB | 30 MB+88% |
Integrated GPU
| Spec | AMD Ryzen 7 7840HS | Intel Core Ultra 7 251HX |
|---|---|---|
| iGPU | AMD Radeon 780M | Intel Graphics (3 Xe) |
| iGPU clock | 2,700 MHz | 1,800 MHz |
Memory
| Spec | AMD Ryzen 7 7840HS | Intel Core Ultra 7 251HX |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | DDR5-6400 |
| Max memory | 256 GB | 256 GB |
Benchmarks
| Spec | AMD Ryzen 7 7840HS | Intel Core Ultra 7 251HX |
|---|---|---|
| Geekbench 6 (single) | 2,610Top 43% | 2,762+6%Top 33% |
| Geekbench 6 (multi) | 12,600Top 41% | 14,233+13%Top 30% |
| Cinebench R23 (single) | 1,760Top 42% | 1,941+10%Top 26% |
| Cinebench R23 (multi) | 16,600Top 30% | 26,001+57%Top 12% |
| PassMark | 28,241Top 25% | 47,051+67%Top 8% |
| 3DMark Time Spy Graphics (iGPU) | 2,659Top 22% | — |
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