GeForce GT 640M LE vs GeForce GTX 960A

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and GeForce GTX 960A. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 640M LE and GeForce GTX 960A. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

GeForce GT 640M LE is a Laptop Graphics Card

Note: GeForce GT 640M LE is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GT 640M LE here:

Main Specs

  GeForce GT 640M LE GeForce GTX 960A
Power consumption (TDP) 20 Watt 75 Watt
Interface PCIe 2.0 x16 MXM-B (3.0)
Memory type DDR3\DDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 960A has 275% more power consumption, than GeForce GT 640M LE.
  • GeForce GT 640M LE is connected by PCIe 2.0 x16, and GeForce GTX 960A uses MXM-B (3.0) interface.
  • GeForce GT 640M LE and GeForce GTX 960A have maximum RAM of 2 GB.
  • GeForce GT 640M LE is used in Laptops, and GeForce GTX 960A - in Desktops.
  • GeForce GT 640M LE is build with Fermi / Kepler architecture, and GeForce GTX 960A - with Maxwell.
  • GeForce GT 640M LE and GeForce GTX 960A are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GTX 960A is 3212 MHz higher, than GeForce GT 640M LE.

Game benchmarks

high / 1080p 0−1 12−14
ultra / 1080p 7−8
QHD / 1440p 0−1 2−3
low / 720p 1−2 24−27
medium / 1080p 0−1 14−16
The average gaming FPS of GeForce GTX 960A in Assassin's Creed Odyssey is 2400% more, than GeForce GT 640M LE.

Full Specs

  GeForce GT 640M LE GeForce GTX 960A
Architecture Fermi / Kepler Maxwell
Code name N13P-LP GM107
Type Laptop Desktop
Release date 22 March 2012 13 March 2015
Pipelines 384 640
Core clock speed 1029 MHz
Boost Clock 1085 MHz
Transistor count 585 million 1,870 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 43.40
Floating-point performance 384.0 gflops 1,389 gflops
Memory bus width 128bit 128 Bit
Memory clock speed 1800 - 4000 MHz 5012 MHz
Memory bandwidth 80.19 GB/s
Shared memory -
DirectX 12 API 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan N/A 1.1.126
CUDA + 5.0
CUDA cores Up to 384
Bus support PCI Express 2.0, PCI Express 3.0
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
3D Blu-Ray +
Bitcoin / BTC (SHA256) 14 Mh/s 180 Mh/s
Laptop size medium sized
Optimus +
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