Iris Plus Graphics 640 vs UHD Graphics 630

When choosing between Iris Plus Graphics 640 and UHD Graphics 630, 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 Plus Graphics 640 and UHD Graphics 630.

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

  Iris Plus Graphics 640 UHD Graphics 630
Power consumption (TDP) 15 Watt 15 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x1
Memory type DDR3L/LPDDR3/DDR4 System Shared
Maximum RAM amount 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 Plus Graphics 640 is used in Laptops, and UHD Graphics 630 - in Desktops.
  • Iris Plus Graphics 640 is build with Gen. 9.5 Kaby Lake architecture, and UHD Graphics 630 - with Gen. 9.5.
  • Both graphics cards have the same core clock speed.
  • Iris Plus Graphics 640 and UHD Graphics 630 are manufactured by 14 nm process technology.

Game benchmarks

high / 1080p 6−7 3−4
ultra / 1080p 4−5 1−2
QHD / 1440p 0−1 0−1
low / 720p 16−18 14−16
medium / 1080p 8−9 5−6
The average gaming FPS of Iris Plus Graphics 640 in Assassin's Creed Odyssey is 50% more, than UHD Graphics 630.

Full Specs

  Iris Plus Graphics 640 UHD Graphics 630
Architecture Gen. 9.5 Kaby Lake Gen. 9.5
Code name Kaby Lake GT3e Kaby-Lake-H-GT2
Type Laptop Desktop
Release date 3 January 2017 1 October 2017
Pipelines 48 24
Core clock speed 300 MHz 300 MHz
Boost Clock 1050 MHz 1150 MHz
Transistor count 189 million 189 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 52.80 26.45
Floating-point performance 460.8 gflops
Memory bus width 64/128 Bit 64/128 Bit
Shared memory + +
DirectX 12 (12_1) 12 (12_1)
Shader Model 6.4 6.5
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.1.103 1.1.103
Quick Sync + +
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