Comparison of Mobility Radeon HD 4530 and NVIDIA Quadro NVS 420 [S]ave
| Attribute |  NVIDIA Quadro NVS 420 × |  Mobility Radeon HD 4530 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2009 | 2009 |
| GPU brand | Nvidia | ATI |
| GPU name | G98 | M92 |
| Market | - | Laptop |
| Clock speed (MHz) | 550 | 500 |
| Is dual GPU | + | - |
| Model | NVIDIA Quadro NVS 420 | Mobility Radeon HD 4530 |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 22.4 | 11.2 |
| Memory bus (bit) | 128 | 64 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 700 | 700 |
| Effective memory clock speed (MHz) | 1,400 | 1,400 |
| Noise and power | ||
| TDP (W) | 40 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 4.4 | 2 |
| Render output processors | 8 | 4 |
| Texture mapping units | 16 | 8 |
| Shading units | 16 | 80 |
| Floating-point performance (GFLOPS) | 45 | 80 |
| Compute units | - | 1 |
| Texture rate (GTexel/s) | 8.8 | 4 |
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