GeForce GT 735M vs Iris Plus Graphics 640

When choosing between GeForce GT 735M and Iris Plus Graphics 640, 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 735M and Iris Plus Graphics 640.

GeForce GT 735M and Iris Plus Graphics 640 are Laptop Graphics Cards

Note: GeForce GT 735M and Iris Plus Graphics 640 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 735M or Iris Plus Graphics 640 here:

Main Specs

  GeForce GT 735M Iris Plus Graphics 640
Power consumption (TDP) 33 Watt 15 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x1
Memory type DDR3 DDR3L/LPDDR3/DDR4
Maximum RAM amount 2 GB 32 GB
Display Connectors No outputs No outputs
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  • GeForce GT 735M has 120% more power consumption, than Iris Plus Graphics 640.
  • GeForce GT 735M is connected by PCIe 3.0 x8, and Iris Plus Graphics 640 uses PCIe 3.0 x1 interface.
  • Iris Plus Graphics 640 has 30 GB more memory, than GeForce GT 735M.
  • Both cards are used in Laptops.
  • GeForce GT 735M is build with Kepler architecture, and Iris Plus Graphics 640 - with Gen. 9.5 Kaby Lake.
  • Core clock speed of GeForce GT 735M is 275 MHz higher, than Iris Plus Graphics 640.
  • GeForce GT 735M is manufactured by 28 nm process technology, and Iris Plus Graphics 640 - by 14 nm process technology.

Game benchmarks

high / 1080p 0−1 6−7
ultra / 1080p 4−5
QHD / 1440p 0−1 0−1
low / 720p 1−2 16−18
medium / 1080p 0−1 8−9
The average gaming FPS of Iris Plus Graphics 640 in Assassin's Creed Odyssey is 1600% more, than GeForce GT 735M.

Full Specs

  GeForce GT 735M Iris Plus Graphics 640
Architecture Kepler Gen. 9.5 Kaby Lake
Code name N14M-LP Kaby Lake GT3e
Type Laptop Laptop
Release date 1 April 2013 3 January 2017
Pipelines 384 48
Core clock speed 575 MHz 300 MHz
Boost Clock 889 MHz 1050 MHz
Transistor count 915 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 18.40 52.80
Floating-point performance 441.6 gflops
Memory bus width 64 Bit 64/128 Bit
Memory clock speed 1800 - 2000 MHz
Memory bandwidth 14.4 GB/s
Shared memory - +
DirectX 12 API 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.1
Vulkan 1.1.126 1.1.103
CUDA +
Bus support PCI Express 3.0
HDMI +
Bitcoin / BTC (SHA256) 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 +
Quick Sync +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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