GeForce GT 640M vs GeForce GTX 750

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M and GeForce GTX 750. 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 and GeForce GTX 750. 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 Check Price
GeForce GTX 750 Check Price

GeForce GT 640M is a Laptop Graphics Card

Note: GeForce GT 640M 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 here:

GeForce GT 640M Laptops

Main Specs

  GeForce GT 640M GeForce GTX 750
Power consumption (TDP) 32 Watt 55 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3\GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs 2x DVI, 1x mini-HDMI
  Check Price Check Price
  • GeForce GTX 750 has 71% more power consumption, than GeForce GT 640M.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GeForce GT 640M has 1 GB more memory, than GeForce GTX 750.
  • GeForce GT 640M is used in Laptops, and GeForce GTX 750 - in Desktops.
  • GeForce GT 640M is build with Kepler architecture, and GeForce GTX 750 - with Maxwell.
  • GeForce GT 640M and GeForce GTX 750 are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 640M is 1795 MHz higher, than GeForce GTX 750.

Game benchmarks

high / 1080p 0−1 16−18
ultra / 1080p 0−1 10−11
QHD / 1440p 0−1 4−5
low / 720p 10−12 35−40
medium / 1080p 2−3 21−24
The average gaming FPS of GeForce GTX 750 in Assassin's Creed Odyssey is 400% more, than GeForce GT 640M.

Full Specs

  GeForce GT 640M GeForce GTX 750
Architecture Kepler Maxwell
Code name N13P-GS GM107
Type Laptop Desktop
Release date 22 March 2012 18 February 2014
Pipelines 384 512
Core clock speed 1020 MHz
Boost Clock 645 MHz 1085 MHz
Transistor count 1,270 million 1,870 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 34.72
Floating-point performance 480.0 gflops 1,111 gflops
Length 5.7" (14.5 cm)
Memory bus width 128bit 128 Bit
Memory clock speed 1800 - 4000 MHz 5.0 GB/s
Memory bandwidth 80 GB/s
Shared memory -
DirectX 12 API 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.5 4.4
OpenCL 1.1 1.2
Vulkan 1.1.126 1.1.126
CUDA + +
CUDA cores 384 512
Bus support PCI Express 2.0, PCI Express 3.0 PCI Express 3.0
Height 4.376" (11.1 cm)
Multi monitor support 3 displays
HDMI + +
HDCP + +
Maximum VGA resolution Up to 2048x1536 2048x1536
Audio input for HDMI Internal
3D Blu-Ray +
3D Gaming +
3D Vision +
3D Vision Live +
Bitcoin / BTC (SHA256) 18 Mh/s 143 Mh/s
Laptop size medium sized
Optimus +
Blu Ray 3D +
  Check Price Check Price

Similar compares