NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA Quadro NVS 280 PCIe
Graphics Processor
| GPU model | GF116 | NV37 |
|---|---|---|
| GPU variant | GF116-150-A1 | NV37 GL |
| Architecture | Fermi 2.0 | Rankine |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 150 nm |
| Number of transistors | 1,170 million | 45 million |
| Die size | 238 mm² | 91 mm² |
Graphics Card
| Release date | Apr 24th, 2012 | May 25th, 2004 |
|---|---|---|
| Generation | GeForce 600 | Quadro NVS |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
| Predecessor | GeForce 500 | — |
| Successor | GeForce 700 | — |
| Reviews | — | 26 in our database |
Clocks
| GPU clock | 720 MHz | 275 MHz |
|---|---|---|
| Shader clock | 1440 MHz | — |
| Memory clock | 800 MHz 1600 Mbps effective | 250 MHz 500 Mbps effective |
Memory Configuration
| Memory size | 1536 MB | 64 MB |
|---|---|---|
| Memory type | DDR3 | DDR |
| Memory bus width | 192 bit | 128 bit |
| Bandwidth | 38.40 GB/s | 8.000 GB/s |
Render Configuration
| Shading units | 144 | — |
|---|---|---|
| TMUs | 24 | 4 |
| ROPs | 24 | 4 |
| SM count | 3 | — |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 384 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 2 |
Performance
| Pixel rate | 4.320 GPixel/s | 1.100 GPixel/s |
|---|---|---|
| Texture rate | 17.28 GTexel/s | 1.100 GTexel/s |
| FP32 (float) performance | 414.7 GFLOPS | — |
| FP64 (double) performance | 34.56 GFLOPS (1:12) | — |
| 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 | 75 W | 13 W |
| Suggested PSU | 250 W | 200 W |
| Outputs | 2x DVI1x mini-HDMI | 1x DMS-59 |
| Power connectors | None | None |
| Board number | P1062 | — |
API Support & Features
| DirectX | 12 (11_0) | 9.0a |
|---|---|---|
| OpenGL | 4.6 | 1.5 (2.1) |
| OpenCL | 1.1 | — |
| Vulkan | — | — |
| CUDA | 2.1 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 2.0a |
| Vertex shader | — | 2.0a |
