GeForce GTX 670 vs Iris Plus Graphics 640

When choosing between GeForce GTX 670 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 GTX 670 and Iris Plus Graphics 640.

Iris Plus Graphics 640 is a Laptop Graphics Card

Note: Iris Plus Graphics 640 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 Iris Plus Graphics 640 here:

Main Specs

  GeForce GTX 670 Iris Plus Graphics 640
Power consumption (TDP) 170 Watt 15 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x1
Supplementary power connectors Two 6-pin
Memory type GDDR5 DDR3L/LPDDR3/DDR4
Maximum RAM amount 2 GB 32 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GeForce GTX 670 has 1033% more power consumption, than Iris Plus Graphics 640.
  • GeForce GTX 670 is connected by PCIe 3.0 x16, and Iris Plus Graphics 640 uses PCIe 3.0 x1 interface.
  • Iris Plus Graphics 640 has 30 GB more memory, than GeForce GTX 670.
  • GeForce GTX 670 is used in Desktops, and Iris Plus Graphics 640 - in Laptops.
  • GeForce GTX 670 is build with Kepler architecture, and Iris Plus Graphics 640 - with Gen. 9.5 Kaby Lake.
  • Core clock speed of GeForce GTX 670 is 680 MHz higher, than Iris Plus Graphics 640.
  • GeForce GTX 670 is manufactured by 28 nm process technology, and Iris Plus Graphics 640 - by 14 nm process technology.

Game benchmarks

high / 1080p 35−40 6−7
ultra / 1080p 21−24 4−5
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 16−18
medium / 1080p 40−45 8−9
The average gaming FPS of GeForce GTX 670 in Assassin's Creed Odyssey is 355% more, than Iris Plus Graphics 640.

Full Specs

  GeForce GTX 670 Iris Plus Graphics 640
Architecture Kepler Gen. 9.5 Kaby Lake
Code name GK104 Kaby Lake GT3e
Type Desktop Laptop
Release date 10 May 2012 3 January 2017
Pipelines 1344 48
Core clock speed 980 MHz 300 MHz
Boost Clock 980 MHz 1050 MHz
Transistor count 3,540 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 102.5 billion/sec 52.80
Floating-point performance 2,459.5 gflops
Length 9.5" (24.1 cm)
Memory bus width 256-bit GDDR5 64/128 Bit
Memory clock speed 6.0 GB/s
Memory bandwidth 192.2 GB/s
Shared memory +
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.2 4.6
OpenCL 1.2 2.1
Vulkan 1.1.126 1.1.103
CUDA +
CUDA cores 1344
Bus support PCI Express 3.0
Height 4.376" (11.1 cm)
SLI options +
Multi monitor support 4 displays
HDMI +
HDCP +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
3D Blu-Ray +
3D Gaming +
3D Vision +
Bitcoin / BTC (SHA256) 97 Mh/s
Ethereum / ETH (DaggerHashimoto) 13 Mh/s
Quick Sync +
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