NVIDIA · 2012
NVIDIA GeForce GT 640M
The NVIDIA GeForce GT 640M is a mid-range mobile graphics card released in 2012, based on the Kepler architecture.
The NVIDIA GeForce GT 640M is a mobile graphics card launched on March 22, 2012. It uses the Kepler architecture and the GK107 GPU chip built on a 28 nm process. The card features 384 shading units, a base and boost clock of 625 MHz, and supports DirectX 12, Vulkan 1.2, and OpenGL 4.5. It comes with 1 GB of memory, available in DDR3 or GDDR5 types, on a 128-bit bus with a memory bandwidth of 28.8 GB/s. The board power (TDP) is 32 W, and it connects via PCIe 3.0 x16. The GT 640M is noted to have about 59% of the performance of the desktop GTX 650.
Benchmarks
| PassMark G3D Mark | 907 |
|---|---|
| PassMark G2D Mark | 183 |
| Geekbench 5 CUDA | 2,200 |
| Geekbench 5 Metal | 1,435 |
| Geekbench 5 OpenCL | 2,485 |
| Geekbench 5 Vulkan | 2,732 |
| Blender Open Data score | 32.96 samples/min |
| Nero Score AVC encode | 924 fps |
Specifications
| Architecture unverified | Kepler |
|---|---|
| GPU chip unverified | GK107 |
| Process node unverified | 28 nm |
| Shading units unverified | 384 |
| Base clock unverified | 625 MHz |
| Boost clock unverified | 625 MHz |
| Memory size unverified | 1 GB |
| Memory type unverified | DDR3, GDDR5 |
| Memory bus unverified | 128 bit |
| Memory bandwidth unverified | 28.8 GB/s |
| Board power (TDP) unverified | 32 W |
| Bus interface unverified | PCIe 3.0 x16 |
| DirectX support unverified | 12 |
| Vulkan support unverified | 1.2 |
| OpenGL support unverified | 4.5 |
| Release date unverified | 2012-03-22 |
| Release year unverified | 2012 |
| Notes unverified | 59% of desktop GTX650 |