Iris Graphics 550 vs Iris Plus Graphics 640

When choosing between Iris Graphics 550 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 Iris Graphics 550 and Iris Plus Graphics 640.

Iris Graphics 550 and Iris Plus Graphics 640 are Laptop Graphics Cards

Note: Iris Graphics 550 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 Iris Graphics 550 or Iris Plus Graphics 640 here:

Main Specs

  Iris Graphics 550 Iris Plus Graphics 640
Power consumption (TDP) 15 Watt 15 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x1
Memory type eDRAM DDR3L/LPDDR3/DDR4
Maximum RAM amount 64 MB 32 GB
Display Connectors No outputs No outputs
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  • Both graphics cards have the same power consumption of 15 Watt.
  • Both video cards are using PCIe 3.0 x1 interface connection to a motherboard.
  • Iris Graphics 550 has 32 GB more memory, than Iris Plus Graphics 640.
  • Both cards are used in Laptops.
  • Iris Graphics 550 is build with Gen. 9 Skylake architecture, and Iris Plus Graphics 640 - with Gen. 9.5 Kaby Lake.
  • Both graphics cards have the same core clock speed.
  • Iris Graphics 550 and Iris Plus Graphics 640 are manufactured by 14 nm process technology.

Game benchmarks

high / 1080p 9−10 6−7
ultra / 1080p 5−6 4−5
QHD / 1440p 0−1 0−1
low / 720p 21−24 16−18
medium / 1080p 10−12 8−9
The average gaming FPS of Iris Graphics 550 in Assassin's Creed Odyssey is 33% more, than Iris Plus Graphics 640.

Full Specs

  Iris Graphics 550 Iris Plus Graphics 640
Architecture Gen. 9 Skylake Gen. 9.5 Kaby Lake
Code name Skylake GT3e Kaby Lake GT3e
Type Laptop Laptop
Release date 1 September 2015 3 January 2017
Pipelines 48 48
Core clock speed 300 MHz 300 MHz
Boost Clock 1100 MHz 1050 MHz
Transistor count 189 million 189 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 52.80 52.80
Memory bus width 64/128 Bit
Shared memory + +
DirectX 12 (12_1) 12 (12_1)
Shader Model 6.4 6.4
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.1.97 1.1.103
Quick Sync + +
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