Iris Pro Graphics P580 vs Radeon HD 7970M Crossfire

If you are going to buy a new graphics card and are choosing between Iris Pro Graphics P580 and Radeon HD 7970M Crossfire, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Pro Graphics P580 stacks up against Radeon HD 7970M Crossfire, check out specs charts below.

Iris Pro Graphics P580 and Radeon HD 7970M Crossfire are Laptop Graphics Cards

Note: Iris Pro Graphics P580 and Radeon HD 7970M Crossfire 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 Pro Graphics P580 or Radeon HD 7970M Crossfire here:

Main Specs

  Iris Pro Graphics P580 Radeon HD 7970M Crossfire
Power consumption (TDP) 15 Watt 200 Watt
Interface PCIe 3.0 x1
Memory type DDR3L/LPDDR3/DDR4 GDDR5
Maximum RAM amount 64 GB
Display Connectors No outputs
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  • Radeon HD 7970M Crossfire has 1233% more power consumption, than Iris Pro Graphics P580.
  • Both cards are used in Laptops.
  • Iris Pro Graphics P580 is build with Gen. 9 Skylake architecture, and Radeon HD 7970M Crossfire - with GCN.
  • Core clock speed of Radeon HD 7970M Crossfire is 500 MHz higher, than Iris Pro Graphics P580.
  • Iris Pro Graphics P580 is manufactured by 14 nm process technology, and Radeon HD 7970M Crossfire - by 28 nm process technology.

Game benchmarks

high / 1080p 10−11 35−40
ultra / 1080p 6−7 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 21−24 60−65
medium / 1080p 12−14 40−45
The average gaming FPS of Radeon HD 7970M Crossfire in Assassin's Creed Odyssey is 215% more, than Iris Pro Graphics P580.

Full Specs

  Iris Pro Graphics P580 Radeon HD 7970M Crossfire
Architecture Gen. 9 Skylake GCN
Code name Skylake GT4e Wimbledon XT
Type Laptop Laptop
Release date 1 September 2015 1 May 2012
Pipelines 72 2560
Core clock speed 350 MHz 850 MHz
Boost Clock 1100 MHz
Transistor count 189 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 75.60
Memory bus width 2x 256 Bit
Memory clock speed 4800 MHz
Shared memory + -
DirectX 12 (12_1) DirectX 11.1, Shader 5.0
Shader Model 6.4
OpenGL 4.6
OpenCL 2.1
Vulkan 1.1.97
Laptop size large
Quick Sync +
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