GeForce GT 640M LE vs Radeon R9 M380

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and Radeon R9 M380. 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 R9 M380. 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 and Radeon R9 M380 are Laptop Graphics Cards

Note: GeForce GT 640M LE and Radeon R9 M380 are only used in laptop graphics. They have 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 or Radeon R9 M380 here:

Main Specs

  GeForce GT 640M LE Radeon R9 M380
Power consumption (TDP) 20 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Memory type DDR3\DDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
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  • GeForce GT 640M LE is connected by PCIe 2.0 x16, and Radeon R9 M380 uses PCIe 3.0 x16 interface.
  • Radeon R9 M380 has 2 GB more memory, than GeForce GT 640M LE.
  • Both cards are used in Laptops.
  • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon R9 M380 - with GCN.
  • GeForce GT 640M LE and Radeon R9 M380 are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 640M LE is 300 MHz higher, than Radeon R9 M380.

Game benchmarks

high / 1080p 0−1 16−18
ultra / 1080p 9−10
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 1−2 30−35
medium / 1080p 0−1 20−22
The average gaming FPS of Radeon R9 M380 in Assassin's Creed Odyssey is 3100% more, than GeForce GT 640M LE.

Full Specs

  GeForce GT 640M LE Radeon R9 M380
Architecture Fermi / Kepler GCN
Code name N13P-LP Strato Pro GDDR5
Type Laptop Laptop
Release date 22 March 2012 16 June 2015
Pipelines 384 768
Core clock speed 1000 MHz
Boost Clock 1000 MHz
Transistor count 585 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 48.00
Floating-point performance 384.0 gflops 1,536 gflops
Memory bus width 128bit 128 Bit
Memory clock speed 1800 - 4000 MHz 1500 MHz
Memory bandwidth 96 GB/s
Shared memory - -
DirectX 12 API
Shader Model 5.1 6.3
OpenGL 4.5 4.4
OpenCL 1.1 Not Listed
Vulkan N/A
CUDA +
FreeSync +
CUDA cores Up to 384
Bus support PCI Express 2.0, PCI Express 3.0 PCIe 3.0
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
3D Blu-Ray +
Bitcoin / BTC (SHA256) 14 Mh/s 194 Mh/s
Laptop size medium sized medium sized
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
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