AMD Ryzen 7 7840HS vs AMD Ryzen 7 8745HX
61.5Single-core59.5
51.2Multi-core54.7
65.4Efficiencyspec-based40
68.5iGPU—
61.8Platformspec-based58.2
4 spec wins — AMD Ryzen 7 7840HS6 spec wins — AMD Ryzen 7 8745HX
InnoReviews verdict
AMD Ryzen 7 7840HS wins this laptop processor face-off, 59.2 to 54.2, pulling ahead mainly in single-core (+2). AMD Ryzen 7 8745HX 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
- 300% higher Max memory: 256 GB vs 64 GB
- 36% lower Base TDP: 35 W vs 55 W
- 20% lower process: 4 nm vs 5 nm
Reasons to pick the AMD Ryzen 7 8745HX
- Stronger multi-core score: 55 vs 51
- 100% higher L3 cache: 32 MB vs 16 MB
- 39% higher Max TDP: 75 W vs 54 W
- 11% higher PassMark: 31,433 vs 28,241
General
| Spec | AMD Ryzen 7 7840HS | AMD Ryzen 7 8745HX |
|---|---|---|
| Announced | 2023 | 2025 |
| Process | 4 nm+20% | 5 nm |
| Base TDP | 35 W+36% | 55 W |
| Max TDP | 54 W | 75 W+39% |
Cores & Clocks
| Spec | AMD Ryzen 7 7840HS | AMD Ryzen 7 8745HX |
|---|---|---|
| Cores | 8 | 8 |
| Performance cores | 8 | 8 |
| Efficiency cores | — | 0 |
| Threads | 16 | 16 |
| Base clock | 3.8 GHz+6% | 3.6 GHz |
| Boost clock | 5.1 GHz | 5.1 GHz |
| L3 cache | 16 MB | 32 MB+100% |
Integrated GPU
| Spec | AMD Ryzen 7 7840HS | AMD Ryzen 7 8745HX |
|---|---|---|
| iGPU | AMD Radeon 780M | AMD Radeon 610M |
| iGPU clock | 2,700 MHz | 2,200 MHz |
Memory
| Spec | AMD Ryzen 7 7840HS | AMD Ryzen 7 8745HX |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | DDR5-5200 |
| Max memory | 256 GB+300% | 64 GB |
Benchmarks
| Spec | AMD Ryzen 7 7840HS | AMD Ryzen 7 8745HX |
|---|---|---|
| Geekbench 6 (single) | 2,610Top 43% | 2,777+6%Top 29% |
| Geekbench 6 (multi) | 12,600Top 41% | 13,482+7%Top 32% |
| Cinebench R23 (single) | 1,760Top 46% | — |
| Cinebench R23 (multi) | 16,600Top 32% | — |
| PassMark | 28,241Top 26% | 31,433+11%Top 20% |
| 3DMark Time Spy Graphics (iGPU) | 2,659Top 23% | — |
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