GeForce GT 640M LE vs Radeon R9 270

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and Radeon R9 270. 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 270. 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 R9 270
Power consumption (TDP) 20 Watt 150 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin
Memory type DDR3\DDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 270 has 650% more power consumption, than GeForce GT 640M LE.
  • GeForce GT 640M LE is connected by PCIe 2.0 x16, and Radeon R9 270 uses PCIe 3.0 x16 interface.
  • GeForce GT 640M LE and Radeon R9 270 have maximum RAM of 2 GB.
  • GeForce GT 640M LE is used in Laptops, and Radeon R9 270 - in Desktops.
  • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon R9 270 - with GCN 1.0.
  • GeForce GT 640M LE and Radeon R9 270 are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 21−24
ultra / 1080p 12−14
QHD / 1440p 0−1 7−8
4K / 2160p 5−6
low / 720p 1−2 40−45
medium / 1080p 0−1 27−30
The average gaming FPS of Radeon R9 270 in Assassin's Creed Odyssey is 4100% more, than GeForce GT 640M LE.

Full Specs

  GeForce GT 640M LE Radeon R9 270
Architecture Fermi / Kepler GCN 1.0
Code name N13P-LP Curacao
Type Laptop Desktop
Release date 22 March 2012 13 November 2013
Pipelines 384 1280
Boost Clock 925 MHz
Transistor count 585 million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 74.00
Floating-point performance 384.0 gflops 2,368 gflops
Length 210 mm
Memory bus width 128bit 256 Bit
Memory clock speed 1800 - 4000 MHz
Memory bandwidth 179.2 GB/s
Shared memory -
DirectX 12 API
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
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 293 Mh/s
Laptop size medium sized
Optimus +
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 16 Mh/s
LiquidVR +
TressFX +
UVD +
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