HD Graphics 530 vs Iris Plus Graphics 645

Find out if it is worth upgrading your current GPU setup by comparing HD Graphics 530 and Iris Plus Graphics 645. 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 HD Graphics 530 and Iris Plus Graphics 645. 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.

HD Graphics 530 and Iris Plus Graphics 645 are Laptop Graphics Cards

Note: HD Graphics 530 and Iris Plus Graphics 645 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 HD Graphics 530 or Iris Plus Graphics 645 here:

Main Specs

  HD Graphics 530 Iris Plus Graphics 645
Power consumption (TDP) 15 Watt 15 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x1
Memory type DDR3L/LPDDR3/LPDDR4 DDR3/DDR4
Maximum RAM amount 64 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.
  • Both cards are used in Laptops.
  • HD Graphics 530 is build with Gen. 9 Skylake architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
  • Core clock speed of HD Graphics 530 is 50 MHz higher, than Iris Plus Graphics 645.
  • HD Graphics 530 and Iris Plus Graphics 645 are manufactured by 14 nm process technology.

Game benchmarks

high / 1080p 2−3 4−5
ultra / 1080p 0−1 2−3
QHD / 1440p 0−1 0−1
low / 720p 12−14 12−14
medium / 1080p 4−5 5−6
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 16% more, than HD Graphics 530.

Full Specs

  HD Graphics 530 Iris Plus Graphics 645
Architecture Gen. 9 Skylake Gen. 9.5 Coffee Lake
Code name Skylake GT2 Kaby Lake GT3e
Type Laptop Laptop
Release date 5 August 2015 10 July 2019
Pipelines 24 48
Core clock speed 350 MHz 300 MHz
Boost Clock 1150 MHz 1150 MHz
Transistor count 189 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 27.60 50.40
Floating-point performance 403.2 gflops
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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