GeForce GT 640 vs Radeon 540

When choosing between GeForce GT 640 and Radeon 540, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 640 and Radeon 540.

Main Specs

  GeForce GT 640 Radeon 540
Power consumption (TDP) 65 Watt 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
  Check Price
  • GeForce GT 640 has 30% more power consumption, than Radeon 540.
  • GeForce GT 640 is connected by PCIe 3.0 x16, and Radeon 540 uses PCIe 3.0 x8 interface.
  • GeForce GT 640 and Radeon 540 have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • GeForce GT 640 is build with Kepler architecture, and Radeon 540 - with GCN 4.0.
  • Core clock speed of Radeon 540 is 198 MHz higher, than GeForce GT 640.
  • GeForce GT 640 is manufactured by 28 nm process technology, and Radeon 540 - by 14 nm process technology.
  • Both graphics cards are the same length of 145 mm.
  • Memory clock speed of Radeon 540 is 5218 MHz higher, than GeForce GT 640.

Game benchmarks

high / 1080p 2−3 6−7
ultra / 1080p 1−2 3−4
QHD / 1440p 0−1 0−1
low / 720p 14−16 14−16
medium / 1080p 5−6 7−8
The average gaming FPS of Radeon 540 in Assassin's Creed Odyssey is 33% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 Radeon 540
Architecture Kepler GCN 4.0
Code name GK107 Lexa
Type Desktop Desktop
Release date 5 June 2012 26 March 2019
Pipelines 384 512
Core clock speed 902 MHz 1100 MHz
Boost Clock 1124 MHz
Transistor count 1,270 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 28.86 35.97
Floating-point performance 692.7 gflops
Length 145 mm 145 mm
Memory bus width 128 Bit 64 Bit
Memory clock speed 1782 MHz 7000 MHz
Memory bandwidth 28.51 GB/s 56 GB/s
DirectX 12 (11_0) 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA 3.0
Bitcoin / BTC (SHA256) 24 Mh/s
  Check Price