Comparison
AMD Radeon 620 vs NVIDIA GeForce GT 645M
In the PassMark G3D benchmark the NVIDIA GeForce GT 645M scores 941 against 937 for the AMD Radeon 620, making it effectively tied with the AMD Radeon 620.
The AMD Radeon 620 carries more video memory (4 GB against 2 GB), which matters at higher resolutions and for larger workloads.
Comparing 5 specifications that differ between these two cards. Coverage: 9/10 recorded for the AMD Radeon 620, 6/10 for the NVIDIA GeForce GT 645M. Fields neither card records are omitted; fields only one records are shown as "Not recorded".
Specifications compared
| AMD Radeon 620 | NVIDIA GeForce GT 645M | |
|---|---|---|
| Shading units | 384 | Not recorded |
| Compute units | 6 | Not recorded |
| Base clock | Not recorded | 710 MHz |
| Boost clock | 1.02 GHz | Not recorded |
| Memory size | 4 GB | 2 GB |
| Memory type | DDR3 | Not recorded |
| Memory bus width | 64-bit | 128-bit |
| Memory bandwidth | 48.0 GB/s | Not recorded |
| Board power | Not recorded | 32 W |
| Architecture | GCN | Kepler |
| Launch date | 2019-07-01 | 2012-10-01 |
| PassMark G3D | 937 | 941 |