GeForce GT 640M LE vs Radeon HD 7670A

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and Radeon HD 7670A. 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 7670A. 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 Radeon HD 7670A
Power consumption (TDP) 20 Watt 45 Watt
Interface PCIe 2.0 x16 MXM-A (3.0)
Memory type DDR3\DDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs No outputs
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  • Radeon HD 7670A has 125% more power consumption, than GeForce GT 640M LE.
  • GeForce GT 640M LE is connected by PCIe 2.0 x16, and Radeon HD 7670A uses MXM-A (3.0) interface.
  • GeForce GT 640M LE has 1 GB more memory, than Radeon HD 7670A.
  • GeForce GT 640M LE is used in Laptops, and Radeon HD 7670A - in Desktops.
  • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon HD 7670A - with TeraScale 2.
  • GeForce GT 640M LE is manufactured by 28 nm process technology, and Radeon HD 7670A - by 40 nm process technology.
  • Memory clock speed of Radeon HD 7670A is 2200 MHz higher, than GeForce GT 640M LE.

Game benchmarks

high / 1080p 0−1 1−2
ultra / 1080p 0−1
QHD / 1440p 0−1 0−1
low / 720p 1−2 12−14
medium / 1080p 0−1 3−4
The average gaming FPS of Radeon HD 7670A in Assassin's Creed Odyssey is 1200% more, than GeForce GT 640M LE.

Full Specs

  GeForce GT 640M LE Radeon HD 7670A
Architecture Fermi / Kepler TeraScale 2
Code name N13P-LP Turks
Type Laptop Desktop
Release date 22 March 2012 5 January 2012
Pipelines 384 480
Core clock speed 600 MHz
Transistor count 585 million 716 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 14.40
Floating-point performance 384.0 gflops 576.0 gflops
Memory bus width 128bit 128 Bit
Memory clock speed 1800 - 4000 MHz 4000 MHz
Memory bandwidth 64 GB/s
Shared memory -
DirectX 12 API 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.5 4.4
OpenCL 1.1 1.2
Vulkan N/A 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
Optimus +
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