AMD Ryzen 5 7645HX vs AMD Ryzen 7 8745HX
70.9Single-core59.5
47.6Multi-core54.7
40Efficiencyspec-based40
32iGPU32
55.3Platformspec-based58.2
1 spec wins — AMD Ryzen 5 7645HX7 spec wins — AMD Ryzen 7 8745HX
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 5 7645HX scores 51.9 against 52 for AMD Ryzen 7 8745HX. Pick by the categories that matter to you — AMD Ryzen 7 8745HX edges ahead in multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 5 7645HX
- Stronger single-core score: 71 vs 60
- 11% higher Base clock: 4 GHz vs 3.6 GHz
Reasons to pick the AMD Ryzen 7 8745HX
- Stronger multi-core score: 55 vs 48
- 33% higher cores: 8 vs 6
- 33% higher Performance cores: 8 vs 6
- 33% higher threads: 16 vs 12
- 22% higher PassMark: 31,433 vs 25,777
General
| Spec | AMD Ryzen 5 7645HX | AMD Ryzen 7 8745HX |
|---|---|---|
| Announced | 2023 | 2025 |
| Process | 5 nm | 5 nm |
| Base TDP | 55 W | 55 W |
| Max TDP | 75 W | 75 W |
Cores & Clocks
| Spec | AMD Ryzen 5 7645HX | AMD Ryzen 7 8745HX |
|---|---|---|
| Cores | 6 | 8+33% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | 0 | 0 |
| Threads | 12 | 16+33% |
| Base clock | 4 GHz+11% | 3.6 GHz |
| Boost clock | 5 GHz | 5.1 GHz+2% |
| L3 cache | 32 MB | 32 MB |
Integrated GPU
| Spec | AMD Ryzen 5 7645HX | AMD Ryzen 7 8745HX |
|---|---|---|
| iGPU | AMD Radeon 610M | AMD Radeon 610M |
| iGPU clock | 2,200 MHz | 2,200 MHz |
Memory
| Spec | AMD Ryzen 5 7645HX | AMD Ryzen 7 8745HX |
|---|---|---|
| Memory support | DDR5-5200 | DDR5-5200 |
| Max memory | 64 GB | 64 GB |
Benchmarks
| Spec | AMD Ryzen 5 7645HX | AMD Ryzen 7 8745HX |
|---|---|---|
| Geekbench 6 (single) | — | 2,777Top 31% |
| Geekbench 6 (multi) | — | 13,482Top 34% |
| Cinebench R23 (single) | 1,809Top 45% | — |
| Cinebench R23 (multi) | 13,985Top 48% | — |
| PassMark | 25,777Top 39% | 31,433+22%Top 24% |
| PassMark (single thread) | 3,856Top 36% | 3,879+1%Top 33% |
| 3DMark Time Spy Graphics (iGPU) | 515Bottom 9% | 515Bottom 9% |
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