GeForce GT 640 vs Radeon HD 8730M

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Radeon HD 8730M. 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 8730M. 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 8730M is a Laptop Graphics Card

Note: Radeon HD 8730M 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 8730M here:

Main Specs

  GeForce GT 640 Radeon HD 8730M
Power consumption (TDP) 65 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3 DDR3
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GeForce GT 640 is connected by PCIe 3.0 x16, and Radeon HD 8730M uses PCIe 3.0 x8 interface.
  • GeForce GT 640 and Radeon HD 8730M have maximum RAM of 2 GB.
  • GeForce GT 640 is used in Desktops, and Radeon HD 8730M - in Laptops.
  • GeForce GT 640 is build with Kepler architecture, and Radeon HD 8730M - with GCN.
  • Core clock speed of GeForce GT 640 is 252 MHz higher, than Radeon HD 8730M.
  • GeForce GT 640 and Radeon HD 8730M are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 8730M is 218 MHz higher, than GeForce GT 640.

Game benchmarks

high / 1080p 2−3 0−1
ultra / 1080p 1−2
QHD / 1440p 0−1 0−1
low / 720p 14−16 1−2
medium / 1080p 5−6 0−1
The average gaming FPS of GeForce GT 640 in Assassin's Creed Odyssey is 1400% more, than Radeon HD 8730M.

Full Specs

  GeForce GT 640 Radeon HD 8730M
Architecture Kepler GCN
Code name GK107 Mars
Type Desktop Laptop
Release date 5 June 2012 16 November 2012
Pipelines 384 384
Core clock speed 902 MHz 650 MHz
Boost Clock 700 MHz
Transistor count 1,270 million 950 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 28.86 16.80
Floating-point performance 692.7 gflops 537.6 gflops
Length 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 2000 MHz
Memory bandwidth 28.51 GB/s 32 GB/s
Shared memory -
DirectX 12 (11_0) 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.2.131
CUDA 3.0
Bitcoin / BTC (SHA256) 24 Mh/s
Laptop size medium sized
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