GeForce GT 640M vs Radeon R7 M460

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M and Radeon R7 M460. 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 R7 M460. 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 R7 M460 are Laptop Graphics Cards

Note: GeForce GT 640M and Radeon R7 M460 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 R7 M460 here:

Main Specs

  GeForce GT 640M Radeon R7 M460
Power consumption (TDP) 32 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Memory type DDR3\GDDR5 DDR3
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
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  • GeForce GT 640M is connected by PCIe 3.0 x16, and Radeon R7 M460 uses PCIe 3.0 x8 interface.
  • GeForce GT 640M and Radeon R7 M460 have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GT 640M is build with Kepler architecture, and Radeon R7 M460 - with GCN.
  • GeForce GT 640M and Radeon R7 M460 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon R7 M460 is 200 MHz higher, than GeForce GT 640M.

Game benchmarks

high / 1080p 0−1 2−3
ultra / 1080p 0−1 0−1
QHD / 1440p 0−1 0−1
low / 720p 10−12 12−14
medium / 1080p 2−3 4−5
The average gaming FPS of Radeon R7 M460 in Assassin's Creed Odyssey is 33% more, than GeForce GT 640M.

Full Specs

  GeForce GT 640M Radeon R7 M460
Architecture Kepler GCN
Code name N13P-GS Meso
Type Laptop Laptop
Release date 22 March 2012 21 February 2016
Pipelines 384 384
Core clock speed 984 MHz
Boost Clock 645 MHz 1125 MHz
Transistor count 1,270 million 1,550 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 27.00
Floating-point performance 480.0 gflops 864.0 gflops
Memory bus width 128bit 64 Bit
Memory clock speed 1800 - 4000 MHz 2000 MHz
Memory bandwidth 14.4 GB/s
Shared memory - -
DirectX 12 API 12 (12_0)
Shader Model 5.1 6.0
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
Optimus +
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