GeForce GT 640 vs GeForce GT 735M

When choosing between GeForce GT 640 and GeForce GT 735M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 640 and GeForce GT 735M.

GeForce GT 735M is a Laptop Graphics Card

Note: GeForce GT 735M 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 735M here:

Main Specs

  GeForce GT 640 GeForce GT 735M
Power consumption (TDP) 65 Watt 33 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3 DDR3
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GeForce GT 640 has 96% more power consumption, than GeForce GT 735M.
  • GeForce GT 640 is connected by PCIe 3.0 x16, and GeForce GT 735M uses PCIe 3.0 x8 interface.
  • GeForce GT 640 and GeForce GT 735M have maximum RAM of 2 GB.
  • GeForce GT 640 is used in Desktops, and GeForce GT 735M - in Laptops.
  • GeForce GT 640 and GeForce GT 735M are build with Kepler architecture.
  • Core clock speed of GeForce GT 640 is 327 MHz higher, than GeForce GT 735M.
  • GeForce GT 640 and GeForce GT 735M are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 735M is 18 MHz higher, than GeForce GT 640.

Game benchmarks

high / 1080p 2−3 0−1
ultra / 1080p 1−2
QHD / 1440p 0−1 0−1
low / 720p 14−16 1−2
medium / 1080p 5−6 0−1
The average gaming FPS of GeForce GT 640 in Assassin's Creed Odyssey is 1400% more, than GeForce GT 735M.

Full Specs

  GeForce GT 640 GeForce GT 735M
Architecture Kepler Kepler
Code name GK107 N14M-LP
Type Desktop Laptop
Release date 5 June 2012 1 April 2013
Pipelines 384 384
Core clock speed 902 MHz 575 MHz
Boost Clock 889 MHz
Transistor count 1,270 million 915 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 28.86 18.40
Floating-point performance 692.7 gflops 441.6 gflops
Length 145 mm
Memory bus width 128 Bit 64 Bit
Memory clock speed 1782 MHz 1800 - 2000 MHz
Memory bandwidth 28.51 GB/s 14.4 GB/s
Shared memory -
DirectX 12 (11_0) 12 API
Shader Model 5.1 5.1
OpenGL 4.6 4.5
OpenCL 1.2 1.1
Vulkan 1.1.126 1.1.126
CUDA 3.0 +
Bus support PCI Express 3.0
HDMI +
Bitcoin / BTC (SHA256) 24 Mh/s 39 Mh/s
Standard memory configuration DDR3
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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