Iris Graphics 6100 vs Radeon HD 7970M Crossfire

If you are going to buy a new graphics card and are choosing between Iris Graphics 6100 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 Graphics 6100 stacks up against Radeon HD 7970M Crossfire, check out specs charts below.

Iris Graphics 6100 and Radeon HD 7970M Crossfire are Laptop Graphics Cards

Note: Iris Graphics 6100 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 Graphics 6100 or Radeon HD 7970M Crossfire here:

Main Specs

  Iris Graphics 6100 Radeon HD 7970M Crossfire
Power consumption (TDP) 15 Watt 200 Watt
Interface PCIe 2.0 x1
Supplementary power connectors None
Memory type System Shared GDDR5
Display Connectors No outputs
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  • Radeon HD 7970M Crossfire has 1233% more power consumption, than Iris Graphics 6100.
  • Both cards are used in Laptops.
  • Iris Graphics 6100 is build with Gen. 8 Broadwell architecture, and Radeon HD 7970M Crossfire - with GCN.
  • Core clock speed of Radeon HD 7970M Crossfire is 550 MHz higher, than Iris Graphics 6100.
  • Iris Graphics 6100 is manufactured by 14 nm process technology, and Radeon HD 7970M Crossfire - by 28 nm process technology.

Game benchmarks

high / 1080p 4−5 35−40
ultra / 1080p 3−4 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 12−14 60−65
medium / 1080p 5−6 40−45
The average gaming FPS of Radeon HD 7970M Crossfire in Assassin's Creed Odyssey is 583% more, than Iris Graphics 6100.

Full Specs

  Iris Graphics 6100 Radeon HD 7970M Crossfire
Architecture Gen. 8 Broadwell GCN
Code name Broadwell GT3 Wimbledon XT
Type Laptop Laptop
Release date 5 January 2015 1 May 2012
Pipelines 48 2560
Core clock speed 300 MHz 850 MHz
Boost Clock 1100 MHz
Transistor count 189 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 52.80
Memory bus width 64/128 Bit 2x 256 Bit
Memory clock speed 4800 MHz
Shared memory + -
DirectX 12 (11_1) DirectX 11.1, Shader 5.0
Shader Model 5.1
OpenGL 4.4
OpenCL 2.0
Vulkan 1.1.80
Laptop size large
Quick Sync +
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