Iris Plus Graphics 645 vs Radeon RX Vega 9

Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 645 and Radeon RX Vega 9. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Iris Plus Graphics 645 and Radeon RX Vega 9. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Iris Plus Graphics 645 and Radeon RX Vega 9 are Laptop Graphics Cards

Note: Iris Plus Graphics 645 and Radeon RX Vega 9 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 Plus Graphics 645 or Radeon RX Vega 9 here:

Main Specs

  Iris Plus Graphics 645 Radeon RX Vega 9
Power consumption (TDP) 15 Watt
Interface PCIe 3.0 x1
Memory type DDR3/DDR4
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon RX Vega 9 - with Vega.
  • Iris Plus Graphics 645 and Radeon RX Vega 9 are manufactured by 14 nm process technology.

Game benchmarks

high / 1080p 4−5 12−14
ultra / 1080p 2−3 8−9
QHD / 1440p 0−1 2−3
low / 720p 12−14 27−30
medium / 1080p 5−6 16−18
The average gaming FPS of Radeon RX Vega 9 in Assassin's Creed Odyssey is 166% more, than Iris Plus Graphics 645.

Full Specs

  Iris Plus Graphics 645 Radeon RX Vega 9
Architecture Gen. 9.5 Coffee Lake Vega
Code name Kaby Lake GT3e Vega Raven Ridge
Type Laptop Laptop
Release date 10 July 2019 26 October 2017
Pipelines 48 576
Core clock speed 300 MHz
Boost Clock 1150 MHz 1300 MHz
Manufacturing process technology 14 nm 14 nm
Texture fill rate 50.40
Shared memory + -
DirectX 12 (12_1) DirectX 12_1
Shader Model 6.4
OpenGL 4.6
OpenCL 2.1
Vulkan 1.1.103
Quick Sync +
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