GeForce GT 640M vs Radeon Pro WX Vega M GL

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M and Radeon Pro WX Vega M GL. 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 and Radeon Pro WX Vega M GL. 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 and Radeon Pro WX Vega M GL are Laptop Graphics Cards

Note: GeForce GT 640M and Radeon Pro WX Vega M GL 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 or Radeon Pro WX Vega M GL here:

Main Specs

  GeForce GT 640M Radeon Pro WX Vega M GL
Power consumption (TDP) 32 Watt 65 Watt
Interface PCIe 3.0 x16 IGP
Memory type DDR3\GDDR5 HBM2
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
  Check Price Check Price
  • Radeon Pro WX Vega M GL has 103% more power consumption, than GeForce GT 640M.
  • GeForce GT 640M is connected by PCIe 3.0 x16, and Radeon Pro WX Vega M GL uses IGP interface.
  • Radeon Pro WX Vega M GL has 2 GB more memory, than GeForce GT 640M.
  • GeForce GT 640M is used in Laptops, and Radeon Pro WX Vega M GL - in Mobile workstations.
  • GeForce GT 640M is build with Kepler architecture, and Radeon Pro WX Vega M GL - with Vega.
  • GeForce GT 640M is manufactured by 28 nm process technology, and Radeon Pro WX Vega M GL - by 14 nm process technology.
  • Memory clock speed of GeForce GT 640M is 400 MHz higher, than Radeon Pro WX Vega M GL.

Game benchmarks

high / 1080p 0−1 35−40
ultra / 1080p 0−1 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 10−12 60−65
medium / 1080p 2−3 40−45
The average gaming FPS of Radeon Pro WX Vega M GL in Assassin's Creed Odyssey is 766% more, than GeForce GT 640M.

Full Specs

  GeForce GT 640M Radeon Pro WX Vega M GL
Architecture Kepler Vega
Code name N13P-GS Vega Kaby Lake-G
Type Laptop Mobile workstation
Release date 22 March 2012 7 January 2018
Pipelines 384 1280
Core clock speed 931 MHz
Boost Clock 645 MHz 1011 MHz
Transistor count 1,270 million 5,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 80.88
Floating-point performance 480.0 gflops
Memory bus width 128bit 1024 Bit
Memory clock speed 1800 - 4000 MHz 1400 MHz
Memory bandwidth 179.2 GB/s
Shared memory - -
DirectX 12 API 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.0
Vulkan 1.1.126 1.2.131
CUDA +
CUDA cores 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) 18 Mh/s
Laptop size medium sized medium sized
Optimus +
  Check Price Check Price