GeForce GT 640 vs Radeon HD 8650G plus HD 8670M Dual Graphics

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Radeon HD 8650G plus HD 8670M Dual Graphics. 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 640 and Radeon HD 8650G plus HD 8670M Dual Graphics. 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.

Radeon HD 8650G plus HD 8670M Dual Graphics is a Laptop Graphics Card

Note: Radeon HD 8650G plus HD 8670M Dual Graphics 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 Radeon HD 8650G plus HD 8670M Dual Graphics here:

Main Specs

  GeForce GT 640 Radeon HD 8650G plus HD 8670M Dual Graphics
Power consumption (TDP) 65 Watt
Interface PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3 DDR3
Maximum RAM amount 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort
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  • GeForce GT 640 is used in Desktops, and Radeon HD 8650G plus HD 8670M Dual Graphics - in Laptops.
  • Core clock speed of GeForce GT 640 is 182 MHz higher, than Radeon HD 8650G plus HD 8670M Dual Graphics.
  • GeForce GT 640 is manufactured by 28 nm process technology, and Radeon HD 8650G plus HD 8670M Dual Graphics - by 32 / 28 nm process technology.
  • Memory clock speed of Radeon HD 8650G plus HD 8670M Dual Graphics is 18 MHz higher, than GeForce GT 640.

Game benchmarks

high / 1080p 2−3 0−1
ultra / 1080p 1−2 0−1
QHD / 1440p 0−1 0−1
low / 720p 14−16 10−12
medium / 1080p 5−6 2−3
The average gaming FPS of GeForce GT 640 in Assassin's Creed Odyssey is 66% more, than Radeon HD 8650G plus HD 8670M Dual Graphics.

Full Specs

  GeForce GT 640 Radeon HD 8650G plus HD 8670M Dual Graphics
Architecture Kepler
Code name GK107
Type Desktop Laptop
Release date 5 June 2012 1 August 2013
Pipelines 384 768
Core clock speed 902 MHz 720 / 775 MHz
Transistor count 1,270 million
Manufacturing process technology 28 nm 32 / 28 nm
Texture fill rate 28.86
Floating-point performance 692.7 gflops
Length 145 mm
Memory bus width 128 Bit 64 Bit
Memory clock speed 1782 MHz 1800 - 2000 MHz
Memory bandwidth 28.51 GB/s
Shared memory -
DirectX 12 (11_0) DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.1.126
CUDA 3.0
Bitcoin / BTC (SHA256) 24 Mh/s
Laptop size medium sized
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