NVIDIA GRID M40 vs NVIDIA GeForce GT 640 Rev. 2
What is the difference between NVIDIA GRID M40 and NVIDIA GeForce GT 640 Rev. 2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM107 | GPU Name | GK208 |
| Maxwell | Architecture | Kepler 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,870 million | Transistors | 1,020 million |
| 148 mm² | Die Size | 87 mm² |
Graphics Card
| May 18th, 2016 | Release Date | May 29th, 2013 |
| GRID (Mx) | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | PCIe 2.0 x8 |
Memory
| 8 GB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 64 bit |
| 83.20 GB/s | Bandwidth | 40.06 GB/s |
Performance
| 16.53 GPixel/s | Pixel fillrate | 8.368 GPixel/s |
| 33.06 GTexel/s | Texture fillrate | 33.47 GTexel/s |
| 793.3 GFLOPS | FP32 (float) performance | 803.3 GFLOPS |
| 24.79 GFLOPS (1:32) | FP64 (double) performance | 33.47 GFLOPS (1:24) |
Clock Speeds
| 1300 MHz 5.2 Gbps effective | Memory Clock | 1252 MHz 5 Gbps effective |
| 1033 MHz | GPU Clock | 1046 MHz |
Render Config
| 384 | Shading Units | 384 |
| 32 | TMUs | 32 |
| 16 | ROPs | 8 |
| 64 KB (per SMM) | L1 Cache | 16 KB (per SMX) |
| 2 MB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 50 W | Thermal design power (TDP) | 49 W |
| 250 W | Suggested PSU | 200 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 1x VGA |
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 |
| 5.0 | CUDA | 3.5 |