NVIDIA Quadro NVS 420 vs NVIDIA Quadro NVS 50 PCI
Graphics Processor
| GPU model | G98 | NV18 |
|---|---|---|
| Architecture | Tesla | Celsius |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 150 nm |
| Number of transistors | 210 million | 29 million |
| Die size | 86 mm² | 65 mm² |
Graphics Card
| Release date | Jan 20th, 2009 | May 31st, 2005 |
|---|---|---|
| Generation | Quadro NVS | Quadro NVS |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | PCI |
| Reviews | 26 in our database | 26 in our database |
Clocks
| GPU clock | 550 MHz | 250 MHz |
|---|---|---|
| Shader clock | 1400 MHz | — |
| Memory clock | 700 MHz 1400 Mbps effective | 200 MHz 400 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 64 MB |
|---|---|---|
| Memory type | GDDR3 | DDR |
| Memory bus width | 64 bit | 64 bit |
| Bandwidth | 11.20 GB/s | 3.200 GB/s |
Render Configuration
| Shading units | 8 | — |
|---|---|---|
| TMUs | 4 | 4 |
| ROPs | 4 | 2 |
| SM count | 1 | — |
| Cache L2 | 16 KB | — |
| Pixel shaders | — | 2 |
| Vertex shaders | — | 0 |
Performance
| Pixel rate | 2.200 GPixel/s | 500.0 MPixel/s |
|---|---|---|
| Texture rate | 2.200 GTexel/s | 1.000 GTexel/s |
| FP32 (float) performance | 22.40 GFLOPS | — |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 40 W | 10 W |
| Suggested PSU | 200 W | 200 W |
| Outputs | No outputs | 1x DVI1x S-Video |
| Power connectors | None | None |
| Board number | P737 | — |
| Length | — | 168 mm 6.6 inches |
API Support & Features
| DirectX | 11.1 (10_0) | 7.0 |
|---|---|---|
| OpenGL | 3.3 | 1.5 |
| OpenCL | 1.1 | — |
| Vulkan | — | — |
| CUDA | 1.1 | — |
| Shader model | 4.0 | — |
| Pixel shader | — | 1.1 |
| Vertex shader | — | 1.1 |