NVIDIA GeForce GT 640 vs NVIDIA Quadro NVS 280 AGP
Graphics Processor
| GPU model | GK107 | NV34 |
|---|---|---|
| GPU variant | GK107-300-A2 | NV34 GL |
| Architecture | Kepler | Rankine |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 150 nm |
| Number of transistors | 1,270 million | 45 million |
| Die size | 118 mm² | 124 mm² |
Graphics Card
| Release date | Jun 5th, 2012 | May 25th, 2004 |
|---|---|---|
| Generation | GeForce 600 | Quadro NVS |
| Production | End-of-life | End-of-life |
| Launch price | 99 USD | — |
| Interface | PCIe 3.0 x16 | AGP 8x |
| Predecessor | GeForce 500 | — |
| Successor | GeForce 700 | — |
| Reviews | — | 26 in our database |
Clocks
| GPU clock | 902 MHz | 275 MHz |
|---|---|---|
| Memory clock | 891 MHz 1782 Mbps effective | 250 MHz 500 Mbps effective |
Memory Configuration
| Memory size | 2 GB | 64 MB |
|---|---|---|
| Memory type | DDR3 | DDR |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 28.51 GB/s | 8.000 GB/s |
Render Configuration
| Shading units | 384 | — |
|---|---|---|
| TMUs | 32 | 4 |
| ROPs | 16 | 4 |
| SMX count | 2 | — |
| Cache L1 | 16 KB (per SMX) | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 2 |
Performance
| Pixel rate | 7.216 GPixel/s | 1.100 GPixel/s |
|---|---|---|
| Texture rate | 28.86 GTexel/s | 1.100 GTexel/s |
| FP32 (float) performance | 692.7 GFLOPS | — |
| FP64 (double) performance | 28.86 GFLOPS (1:24) | — |
| Vertex rate | — | 137.5 MVertices/s |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| Length | 145 mm 5.7 inches | 168 mm 6.6 inches |
| TDP | 65 W | 13 W |
| Suggested PSU | 250 W | 200 W |
| Outputs | 1x DVI1x HDMI1x DisplayPort | 1x DMS-59 |
| Power connectors | None | None |
| Board number | P2011 | — |
API Support & Features
| DirectX | 12 (11_0) | 9.0a |
|---|---|---|
| OpenGL | 4.6 | 1.5 |
| OpenCL | 3.0 | — |
| Vulkan | 1.1 | — |
| CUDA | 3.0 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 2.0a |
| Vertex shader | — | 2.0a |
