GeForce GT 640 vs Radeon R9 M365X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Radeon R9 M365X. 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 R9 M365X. 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 R9 M365X is a Laptop Graphics Card

Note: Radeon R9 M365X 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 R9 M365X here:

Main Specs

  GeForce GT 640 Radeon R9 M365X
Power consumption (TDP) 65 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 M365X has 2 GB more memory, than GeForce GT 640.
  • GeForce GT 640 is used in Desktops, and Radeon R9 M365X - in Laptops.
  • GeForce GT 640 is build with Kepler architecture, and Radeon R9 M365X - with GCN.
  • Core clock speed of GeForce GT 640 is 2 MHz higher, than Radeon R9 M365X.
  • GeForce GT 640 and Radeon R9 M365X are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 640 is 657 MHz higher, than Radeon R9 M365X.

Game benchmarks

high / 1080p 2−3 6−7
ultra / 1080p 1−2 4−5
QHD / 1440p 0−1 0−1
low / 720p 14−16 16−18
medium / 1080p 5−6 8−9
The average gaming FPS of Radeon R9 M365X in Assassin's Creed Odyssey is 50% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 Radeon R9 M365X
Architecture Kepler GCN
Code name GK107 Tropo
Type Desktop Laptop
Release date 5 June 2012 6 May 2015
Pipelines 384 640
Core clock speed 902 MHz 900 MHz
Boost Clock 925 MHz
Transistor count 1,270 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 28.86 37.00
Floating-point performance 692.7 gflops 1,184 gflops
Length 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 1125 MHz
Memory bandwidth 28.51 GB/s 72 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
Vulkan 1.1.126
CUDA 3.0
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 24 Mh/s
Laptop size medium sized
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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