NVIDIA GeForce GT 630 Rev. 2 PCIe x8 vs NVIDIA GeForce GT 640
What is the difference between NVIDIA GeForce GT 630 Rev. 2 PCIe x8 and NVIDIA GeForce GT 640. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK208 | GPU Name | GK107 |
| GK208-301-A1 | Model number | GK107-300-A2 |
| Kepler 2.0 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,020 million | Transistors | 1,270 million |
| 87 mm² | Die Size | 118 mm² |
Graphics Card
| May 29th, 2013 | Release Date | Jun 5th, 2012 |
| GeForce 600 | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| GeForce 500 | Predecessor | GeForce 500 |
| PCIe 2.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| DDR3 | Memory Type | DDR3 |
| 64 bit | Memory Bus | 128 bit |
| 14.40 GB/s | Bandwidth | 28.51 GB/s |
Performance
| 7.216 GPixel/s | Pixel fillrate | 7.216 GPixel/s |
| 28.86 GTexel/s | Texture fillrate | 28.86 GTexel/s |
| 692.7 GFLOPS | FP32 (float) performance | 692.7 GFLOPS |
| 28.86 GFLOPS (1:24) | FP64 (double) performance | 28.86 GFLOPS (1:24) |
Clock Speeds
| 900 MHz 1800 Mbps effective | Memory Clock | 891 MHz 1782 Mbps effective |
| 902 MHz | GPU Clock | 902 MHz |
Render Config
| 384 | Shading Units | 384 |
| 32 | TMUs | 32 |
| 8 | ROPs | 16 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per SMX) |
| 512 KB | L2 Cache | 256 KB |
Board Design
| Single-slot | Slot Width | Single-slot |
| 115 mm 4.5 inches | Length | 145 mm 5.7 inches |
| 25 W | Thermal design power (TDP) | 65 W |
| 200 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x VGA | Display Connectors | 1x DVI 1x HDMI 1x DisplayPort |
| None | Power Connectors | None |
| P2132 | Board Number | P2011 |
API support
| 12 (11_0) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 3.0 |
| 1.1 | Vulkan | 1.1 |
| 5.1 | Shader Model | 5.1 |
| 3.5 | CUDA | 3.0 |