NVIDIA GeForce GT 640M LE
The NVIDIA GeForce GT 640M LE is a graphics card released on March 22, 2012. It has 2 GB of video memory on a 128-bit bus and a 32 W board power rating. It scores 690 in the PassMark G3D benchmark. It supports DirectX 12, OpenGL 4.5 and Vulkan 1.2.
Depth: 28 recorded fields, 5 PassMark workloads
Specification data last verified August 11, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 5 of 10 tracked specifications recorded.
Performance
The NVIDIA GeForce GT 640M LE scores 690 in the PassMark G3D benchmark, higher than 45.5% of the 2,658 GPUs benchmarked (PassMark rank #1,646), measured across 377 submitted results. Its PassMark G2D score is 171.
PassMark workload tests
In the PassMark workload tests the NVIDIA GeForce GT 640M LE averages DirectX 9 15 fps, DirectX 10 2 fps, DirectX 11 6 fps, DirectX 12 2 fps and GPU Compute 292 ops/s, across 377 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.
As stated by PassMark
PassMark's own listing for the NVIDIA GeForce GT 640M LE states the PCIe 2.0 x16,PCIe 3.0 x16 interface, up to 2 GB of memory, a core clock of 762,500 MHz, DirectX 11 and OpenGL 4.5, first benchmarked on 2012-09-06. These are PassMark's figures, shown separately from the specification tables above.
Graphics processor
The NVIDIA GeForce GT 640M LE uses the GF108 GK107 (N13P-LP) graphics processor.
Memory
The NVIDIA GeForce GT 640M LE is equipped with 2 GB of memory and uses a 128-bit memory bus.
Board and power
The NVIDIA GeForce GT 640M LE has a board power rating of 32 W and it connects over PCIe 2.0 x16,PCIe 3.0 x16.
Market
The NVIDIA GeForce GT 640M LE was released on March 22, 2012.
Benchmarks
Graphics and compute APIs
The NVIDIA GeForce GT 640M LE supports DirectX 12, OpenGL 4.5 and Vulkan 1.2.
Feex has no recorded CUDA compute capability for the NVIDIA GeForce GT 640M LE. Feex has no recorded OpenCL version for the NVIDIA GeForce GT 640M LE.
Naming and aliases
The NVIDIA GeForce GT 640M LE is also known by other names: PassMark also lists it as NVIDIA GeForce GT 640M LE (Mobile).
Frequently asked questions
How much VRAM does the NVIDIA GeForce GT 640M LE have?
The NVIDIA GeForce GT 640M LE has 2 GB of video memory on a 128-bit bus.
How much power does the NVIDIA GeForce GT 640M LE use and what power supply does it need?
The NVIDIA GeForce GT 640M LE has a board power rating of 32 W.
How fast is the NVIDIA GeForce GT 640M LE?
The NVIDIA GeForce GT 640M LE scores 690 in the PassMark G3D benchmark, higher than 45.5% of the 2,658 GPUs benchmarked. Its PassMark rank is #1,646. In the PassMark DirectX 12 test it averages 2 fps.
What bus interface does the NVIDIA GeForce GT 640M LE use?
The NVIDIA GeForce GT 640M LE connects over PCIe 2.0 x16,PCIe 3.0 x16.
When was the NVIDIA GeForce GT 640M LE released?
The NVIDIA GeForce GT 640M LE was released on March 22, 2012.