GeForce GT 640 vs Radeon PRO WX 3100

When comparing GeForce GT 640 and Radeon PRO WX 3100, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GT 640 and Radeon PRO WX 3100 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon PRO WX 3100 is a Laptop Graphics Card

Note: Radeon PRO WX 3100 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 PRO WX 3100 here:

Main Specs

  GeForce GT 640 Radeon PRO WX 3100
Power consumption (TDP) 65 Watt 65 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 1x DisplayPort, 2x mini-DisplayPort
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  • Both graphics cards have the same power consumption of 65 Watt.
  • GeForce GT 640 is connected by PCIe 3.0 x16, and Radeon PRO WX 3100 uses PCIe 3.0 x8 interface.
  • Radeon PRO WX 3100 has 2 GB more memory, than GeForce GT 640.
  • GeForce GT 640 is used in Desktops, and Radeon PRO WX 3100 - in Mobile workstations.
  • GeForce GT 640 is build with Kepler architecture, and Radeon PRO WX 3100 - with Polaris.
  • GeForce GT 640 is manufactured by 28 nm process technology, and Radeon PRO WX 3100 - by 14 nm process technology.
  • Memory clock speed of Radeon PRO WX 3100 is 4218 MHz higher, than GeForce GT 640.

Game benchmarks

high / 1080p 2−3 14−16
ultra / 1080p 1−2 8−9
QHD / 1440p 0−1 3−4
low / 720p 14−16 27−30
medium / 1080p 5−6 16−18
The average gaming FPS of Radeon PRO WX 3100 in Assassin's Creed Odyssey is 183% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 Radeon PRO WX 3100
Architecture Kepler Polaris
Code name GK107 Polaris 12
Type Desktop Mobile workstation
Release date 5 June 2012 21 March 2017
Pipelines 384 512
Core clock speed 902 MHz
Boost Clock 1219 MHz
Transistor count 1,270 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 28.86 39.01
Floating-point performance 692.7 gflops 1,248 gflops
Length 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 6000 MHz
Memory bandwidth 28.51 GB/s 96 GB/s
Shared memory -
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
Laptop size large
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