AMD Ryzen 5 8645HS vs AMD Ryzen 7 8840HS
59.3Single-core60.4
44.1Multi-core46.1
65.4Efficiencyspec-based73.5
64.9iGPU67.9
58.8Platformspec-based55.5
3 spec wins — AMD Ryzen 5 8645HS11 spec wins — AMD Ryzen 7 8840HS
InnoReviews verdict
AMD Ryzen 7 8840HS wins this laptop processor face-off, 57.4 to 55.4, pulling ahead mainly in iGPU (+3) and multi-core (+2). AMD Ryzen 5 8645HS 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 5 8645HS
- 167% higher Max memory: 256 GB vs 96 GB
- 80% higher Max TDP: 54 W vs 30 W
- 30% higher Base clock: 4.3 GHz vs 3.3 GHz
Reasons to pick the AMD Ryzen 7 8840HS
- Stronger iGPU score: 68 vs 65
- 33% higher cores: 8 vs 6
- 33% higher Performance cores: 8 vs 6
- 33% higher threads: 16 vs 12
- 20% lower Base TDP: 28 W vs 35 W
General
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 7 8840HS |
|---|---|---|
| Announced | 2023 | 2023 |
| Process | 4 nm | 4 nm |
| Base TDP | 35 W | 28 W+20% |
| Max TDP | 54 W+80% | 30 W |
Cores & Clocks
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 7 8840HS |
|---|---|---|
| Cores | 6 | 8+33% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | — | 0 |
| Threads | 12 | 16+33% |
| Base clock | 4.3 GHz+30% | 3.3 GHz |
| Boost clock | 5 GHz | 5.1 GHz+2% |
| L3 cache | 16 MB | 16 MB |
Integrated GPU
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 7 8840HS |
|---|---|---|
| iGPU | AMD Radeon 760M | AMD Radeon 780M |
| iGPU clock | 2,600 MHz | 2,700 MHz |
Memory
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 7 8840HS |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | LPDDR5X-7500 / DDR5-5600 |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | AMD Ryzen 5 8645HS | AMD Ryzen 7 8840HS |
|---|---|---|
| Geekbench 6 (single) | 2,520Bottom 49% | 2,552+1%Top 49% |
| Geekbench 6 (multi) | 10,300Bottom 41% | 11,279+10%Bottom 49% |
| Cinebench R23 (single) | 1,700Bottom 45% | 1,737+2%Bottom 50% |
| Cinebench R23 (multi) | 13,000Top 49% | 13,082+1%Top 48% |
| PassMark | 21,977Top 47% | 24,551+12%Top 37% |
| 3DMark Time Spy Graphics (iGPU) | 2,260Top 33% | 2,591+15%Top 30% |
Related comparisons
AMD Ryzen 5 8645HSvs AMD Ryzen 7 260VSAMD Ryzen 5 8645HSvs Intel Core Ultra 5 125HVSAMD Ryzen 5 8645HSvs Qualcomm Snapdragon X Elite X1E-78-100VSAMD Ryzen 5 8645HSvs Qualcomm Snapdragon X Elite X1E-80-100VSAMD Ryzen 7 8840HSvs AMD Ryzen 7 8840UVSAMD Ryzen 7 8840HSvs Intel Core Ultra 5 325VSAMD Ryzen 7 8840HSvs Intel Core Ultra 7 256VVSAMD Ryzen 7 8840HSvs Intel Core Ultra 7 258VVS