GeForce GT 640M LE vs Radeon R9 M365X

When choosing between GeForce GT 640M LE and Radeon R9 M365X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 640M LE and Radeon R9 M365X.

GeForce GT 640M LE and Radeon R9 M365X are Laptop Graphics Cards

Note: GeForce GT 640M LE and Radeon R9 M365X 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 Radeon R9 M365X here:

Main Specs

  GeForce GT 640M LE Radeon R9 M365X
Power consumption (TDP) 20 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
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 Radeon R9 M365X uses PCIe 3.0 x16 interface.
  • Radeon R9 M365X 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 Radeon R9 M365X - with GCN.
  • GeForce GT 640M LE and Radeon R9 M365X are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 640M LE is 675 MHz higher, than Radeon R9 M365X.

Game benchmarks

high / 1080p 0−1 6−7
ultra / 1080p 4−5
QHD / 1440p 0−1 0−1
low / 720p 1−2 16−18
medium / 1080p 0−1 8−9
The average gaming FPS of Radeon R9 M365X in Assassin's Creed Odyssey is 1600% more, than GeForce GT 640M LE.

Full Specs

  GeForce GT 640M LE Radeon R9 M365X
Architecture Fermi / Kepler GCN
Code name N13P-LP Tropo
Type Laptop Laptop
Release date 22 March 2012 6 May 2015
Pipelines 384 640
Core clock speed 900 MHz
Boost Clock 925 MHz
Transistor count 585 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 37.00
Floating-point performance 384.0 gflops 1,184 gflops
Memory bus width 128bit 128 Bit
Memory clock speed 1800 - 4000 MHz 1125 MHz
Memory bandwidth 72 GB/s
Shared memory - -
DirectX 12 API
Shader Model 5.1 5.1
OpenGL 4.5 4.4
OpenCL 1.1 Not Listed
Vulkan N/A
CUDA +
FreeSync +
CUDA cores Up to 384
Bus support PCI Express 2.0, PCI Express 3.0 PCIe 3.0
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
3D Blu-Ray +
Bitcoin / BTC (SHA256) 14 Mh/s
Laptop size medium sized medium sized
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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