GeForce GT 640M LE vs Radeon RX 570X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and Radeon RX 570X. 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 640M LE and Radeon RX 570X. 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.

GeForce GT 640M LE is a Laptop Graphics Card

Note: GeForce GT 640M LE 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 GeForce GT 640M LE here:

Main Specs

  GeForce GT 640M LE Radeon RX 570X
Power consumption (TDP) 20 Watt 120 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type DDR3\DDR5 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 3x DisplayPort
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  • Radeon RX 570X has 500% more power consumption, than GeForce GT 640M LE.
  • GeForce GT 640M LE is connected by PCIe 2.0 x16, and Radeon RX 570X uses PCIe 3.0 x16 interface.
  • Radeon RX 570X has 6 GB more memory, than GeForce GT 640M LE.
  • GeForce GT 640M LE is used in Laptops, and Radeon RX 570X - in Desktops.
  • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon RX 570X - with GCN 4.0.
  • GeForce GT 640M LE is manufactured by 28 nm process technology, and Radeon RX 570X - by 14 nm process technology.
  • Memory clock speed of Radeon RX 570X is 5200 MHz higher, than GeForce GT 640M LE.

Game benchmarks

high / 1080p 0−1 9−10
ultra / 1080p 5−6
QHD / 1440p 0−1 0−1
low / 720p 1−2 21−24
medium / 1080p 0−1 10−12
The average gaming FPS of Radeon RX 570X in Assassin's Creed Odyssey is 2100% more, than GeForce GT 640M LE.

Full Specs

  GeForce GT 640M LE Radeon RX 570X
Architecture Fermi / Kepler GCN 4.0
Code name N13P-LP Polaris 20
Type Laptop Desktop
Release date 22 March 2012 11 April 2018
Pipelines 384 2048
Core clock speed 1168 MHz
Boost Clock 1244 MHz
Transistor count 585 million 5,700 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 159.2
Floating-point performance 384.0 gflops 5,095 gflops
Length 241 mm
Memory bus width 128bit 256 Bit
Memory clock speed 1800 - 4000 MHz 7000 MHz
Memory bandwidth 224.0 GB/s
Shared memory -
DirectX 12 API 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.0
Vulkan N/A 1.2.131
CUDA +
CUDA cores Up to 384
Bus support PCI Express 2.0, PCI Express 3.0
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
3D Blu-Ray +
Bitcoin / BTC (SHA256) 14 Mh/s
Laptop size medium sized
Optimus +
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