AMD Ryzen 7 8840U vs AMD Ryzen 9 8945HS
62.9Single-core63.5
44.2Multi-core52.6
73.5Efficiencyspec-based65.4
68.5iGPU68.5
55.5Platformspec-based61.8
1 spec wins — AMD Ryzen 7 8840U7 spec wins — AMD Ryzen 9 8945HS
InnoReviews verdict
AMD Ryzen 9 8945HS wins this laptop processor face-off, 60.2 to 57.4, pulling ahead mainly in multi-core (+8) and single-core (+1). AMD Ryzen 7 8840U 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 8840U
- 20% lower Base TDP: 28 W vs 35 W
Reasons to pick the AMD Ryzen 9 8945HS
- Stronger multi-core score: 53 vs 44
- 167% higher Max memory: 256 GB vs 96 GB
- 80% higher Max TDP: 54 W vs 30 W
- 42% higher Cinebench R23 (multi): 17,300 vs 12,191
- 25% higher PassMark: 29,208 vs 23,390
General
| Spec | AMD Ryzen 7 8840U | AMD Ryzen 9 8945HS |
|---|---|---|
| Announced | 2023 | 2023 |
| Process | 4 nm | 4 nm |
| Base TDP | 28 W+20% | 35 W |
| Max TDP | 30 W | 54 W+80% |
Cores & Clocks
| Spec | AMD Ryzen 7 8840U | AMD Ryzen 9 8945HS |
|---|---|---|
| Cores | 8 | 8 |
| Performance cores | 8 | 8 |
| Threads | 16 | 16 |
| Base clock | 3.3 GHz | 4 GHz+21% |
| Boost clock | 5.1 GHz | 5.2 GHz+2% |
| L3 cache | 16 MB | 16 MB |
Integrated GPU
| Spec | AMD Ryzen 7 8840U | AMD Ryzen 9 8945HS |
|---|---|---|
| iGPU | AMD Radeon 780M | AMD Radeon 780M |
| iGPU clock | 2,700 MHz | 2,800 MHz |
Memory
| Spec | AMD Ryzen 7 8840U | AMD Ryzen 9 8945HS |
|---|---|---|
| Memory support | DDR5-5600 / LPDDR5X-7500 | LPDDR5X-7500 / DDR5-5600 |
| Max memory | 96 GB | 256 GB+167% |
Benchmarks
| Spec | AMD Ryzen 7 8840U | AMD Ryzen 9 8945HS |
|---|---|---|
| Geekbench 6 (single) | — | 2,700Top 39% |
| Geekbench 6 (multi) | — | 13,100Top 37% |
| Cinebench R23 (single) | 1,619Bottom 43% | 1,810+12%Top 35% |
| Cinebench R23 (multi) | 12,191Bottom 50% | 17,300+42%Top 26% |
| PassMark | 23,390Top 40% | 29,208+25%Top 23% |
| 3DMark Time Spy Graphics (iGPU) | 2,659Top 22% | 2,659Top 22% |
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