GeForce GT 640M LE vs GeForce GTX 965M

In this comparison between GeForce GT 640M LE and GeForce GTX 965M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 640M LE will be the best choice, for others GeForce GTX 965M will be their preference. Study the comparison tables below and make your choice.

GeForce GT 640M LE and GeForce GTX 965M are Laptop Graphics Cards

Note: GeForce GT 640M LE and GeForce GTX 965M are only used in laptop graphics. They have 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 or GeForce GTX 965M here:

Main Specs

  GeForce GT 640M LE GeForce GTX 965M
Power consumption (TDP) 20 Watt
Interface PCIe 2.0 x16 MXM-B (3.0)
Supplementary power connectors None
Memory type DDR3\DDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
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  • GeForce GT 640M LE is connected by PCIe 2.0 x16, and GeForce GTX 965M uses MXM-B (3.0) interface.
  • GeForce GTX 965M has 2 GB more memory, than GeForce GT 640M LE.
  • Both cards are used in Laptops.
  • GeForce GT 640M LE is build with Fermi / Kepler architecture, and GeForce GTX 965M - with Maxwell.
  • GeForce GT 640M LE and GeForce GTX 965M are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GTX 965M is 700 MHz higher, than GeForce GT 640M LE.

Game benchmarks

high / 1080p 0−1 20−22
ultra / 1080p 12−14
QHD / 1440p 0−1 6−7
4K / 2160p 5−6
low / 720p 1−2 35−40
medium / 1080p 0−1 24−27
The average gaming FPS of GeForce GTX 965M in Assassin's Creed Odyssey is 3600% more, than GeForce GT 640M LE.

Full Specs

  GeForce GT 640M LE GeForce GTX 965M
Architecture Fermi / Kepler Maxwell
Code name N13P-LP N16E-GS, N16E-GR
Type Laptop Laptop
Release date 22 March 2012 5 January 2015
Pipelines 384 1024
Core clock speed 944 MHz
Boost Clock 950 / 1151 MHz
Transistor count 585 million 2,940 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 73.60
Floating-point performance 384.0 gflops 2,355 gflops
Memory bus width 128bit 128 Bit
Memory clock speed 1800 - 4000 MHz 2500 MHz
Memory bandwidth 80 GB/s
Shared memory - -
G-SYNC support +
DirectX 12 API 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.5 4.5
OpenCL 1.1 1.1
Vulkan N/A 1.1
CUDA + +
CUDA cores Up to 384 1024
Bus support PCI Express 2.0, PCI Express 3.0 PCI Express 3.0
SLI options +
HDMI + +
HDCP +
Maximum VGA resolution Up to 2048x1536
3D Blu-Ray +
Bitcoin / BTC (SHA256) 14 Mh/s 226 Mh/s
Laptop size medium sized large
DisplayPort Multimode (DP++) support +
H.264, VC1, MPEG2 1080p video decoder +
Optimus + +
GameStream +
GeForce ShadowPlay +
GPU Boost 2.0
GameWorks +
BatteryBoost +
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