GeForce GT 640M LE vs Radeon HD 6740G2

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and Radeon HD 6740G2. 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 Radeon HD 6740G2. 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 and Radeon HD 6740G2 are Laptop Graphics Cards

Note: GeForce GT 640M LE and Radeon HD 6740G2 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 HD 6740G2 here:

Main Specs

  GeForce GT 640M LE Radeon HD 6740G2
Power consumption (TDP) 20 Watt
Interface PCIe 2.0 x16
Memory type DDR3\DDR5
Maximum RAM amount 2 GB
Display Connectors No outputs
  Check Price Check Price
  • Both cards are used in Laptops.
  • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon HD 6740G2 - with Terascale 2.
  • GeForce GT 640M LE is manufactured by 28 nm process technology, and Radeon HD 6740G2 - by 40 nm process technology.

Game benchmarks

high / 1080p 0−1 0−1
ultra / 1080p 0−1
QHD / 1440p 0−1 0−1
low / 720p 1−2 10−12
medium / 1080p 0−1 2−3
The average gaming FPS of Radeon HD 6740G2 in Assassin's Creed Odyssey is 1000% more, than GeForce GT 640M LE.

Full Specs

  GeForce GT 640M LE Radeon HD 6740G2
Architecture Fermi / Kepler Terascale 2
Code name N13P-LP
Type Laptop Laptop
Release date 22 March 2012 14 June 2011
Pipelines 384 880
Transistor count 585 million
Manufacturing process technology 28 nm 40 nm
Floating-point performance 384.0 gflops
Memory bus width 128bit
Memory clock speed 1800 - 4000 MHz
Shared memory - -
DirectX 12 API DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.5
OpenCL 1.1
Vulkan N/A
CUDA +
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
Laptop size medium sized medium sized
Optimus +
  Check Price Check Price