AMD Ryzen 7 8745HX vs AMD Ryzen 7 8840U
59.5Single-core62.9
54.7Multi-core44.2
40Efficiencyspec-based73.5
—iGPU68.5
58.2Platformspec-based55.5
5 spec wins — AMD Ryzen 7 8745HX3 spec wins — AMD Ryzen 7 8840U
InnoReviews verdict
AMD Ryzen 7 8840U wins this laptop processor face-off, 57.4 to 54.2, pulling ahead mainly in single-core (+3). 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 8745HX
- Stronger multi-core score: 55 vs 44
- 150% higher Max TDP: 75 W vs 30 W
- 100% higher L3 cache: 32 MB vs 16 MB
- 34% higher PassMark: 31,433 vs 23,390
Reasons to pick the AMD Ryzen 7 8840U
- Stronger single-core score: 63 vs 60
- 50% higher Max memory: 96 GB vs 64 GB
- 49% lower Base TDP: 28 W vs 55 W
- 20% lower process: 4 nm vs 5 nm
General
| Spec | AMD Ryzen 7 8745HX | AMD Ryzen 7 8840U |
|---|---|---|
| Announced | 2025 | 2023 |
| Process | 5 nm | 4 nm+20% |
| Base TDP | 55 W | 28 W+49% |
| Max TDP | 75 W+150% | 30 W |
Cores & Clocks
| Spec | AMD Ryzen 7 8745HX | AMD Ryzen 7 8840U |
|---|---|---|
| Cores | 8 | 8 |
| Performance cores | 8 | 8 |
| Efficiency cores | 0 | — |
| Threads | 16 | 16 |
| Base clock | 3.6 GHz+9% | 3.3 GHz |
| Boost clock | 5.1 GHz | 5.1 GHz |
| L3 cache | 32 MB+100% | 16 MB |
Integrated GPU
| Spec | AMD Ryzen 7 8745HX | AMD Ryzen 7 8840U |
|---|---|---|
| iGPU | AMD Radeon 610M | AMD Radeon 780M |
| iGPU clock | 2,200 MHz | 2,700 MHz |
Memory
| Spec | AMD Ryzen 7 8745HX | AMD Ryzen 7 8840U |
|---|---|---|
| Memory support | DDR5-5200 | DDR5-5600 / LPDDR5X-7500 |
| Max memory | 64 GB | 96 GB+50% |
Benchmarks
| Spec | AMD Ryzen 7 8745HX | AMD Ryzen 7 8840U |
|---|---|---|
| Geekbench 6 (single) | 2,777Top 29% | — |
| Geekbench 6 (multi) | 13,482Top 32% | — |
| Cinebench R23 (single) | — | 1,619Bottom 38% |
| Cinebench R23 (multi) | — | 12,191Bottom 50% |
| PassMark | 31,433+34%Top 20% | 23,390Top 42% |
| 3DMark Time Spy Graphics (iGPU) | — | 2,659Top 23% |
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