Radeon HD 6970M Crossfire vs Radeon Instinct MI25 MxGPU

If you are going to buy a new graphics card and are choosing between Radeon HD 6970M Crossfire and Radeon Instinct MI25 MxGPU, 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 Radeon HD 6970M Crossfire stacks up against Radeon Instinct MI25 MxGPU, check out specs charts below.
Radeon Instinct MI25 MxGPU

Radeon HD 6970M Crossfire is a Laptop Graphics Card

Note: Radeon HD 6970M Crossfire 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 Radeon HD 6970M Crossfire here:

Main Specs

  Radeon HD 6970M Crossfire Radeon Instinct MI25 MxGPU
Power consumption (TDP) 300 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 2x 8-pin
Memory type GDDR5 HBM2
Maximum RAM amount 2x2 GB 16 GB
Display Connectors No outputs
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  • Radeon Instinct MI25 MxGPU has 14 GB more memory, than Radeon HD 6970M Crossfire.
  • Radeon HD 6970M Crossfire is used in Laptops, and Radeon Instinct MI25 MxGPU - in Desktops.
  • Radeon HD 6970M Crossfire is build with Terascale 2 architecture, and Radeon Instinct MI25 MxGPU - with GCN 5.0.
  • Core clock speed of Radeon Instinct MI25 MxGPU is 720 MHz higher, than Radeon HD 6970M Crossfire.
  • Radeon HD 6970M Crossfire is manufactured by 40 nm process technology, and Radeon Instinct MI25 MxGPU - by 14 nm process technology.
  • Memory clock speed of Radeon Instinct MI25 MxGPU is 804 MHz higher, than Radeon HD 6970M Crossfire.

Game benchmarks

high / 1080p 21−24 50−55
ultra / 1080p 12−14 35−40
QHD / 1440p 7−8 27−30
4K / 2160p 5−6 16−18
low / 720p 40−45 80−85
medium / 1080p 24−27 60−65
The average gaming FPS of Radeon Instinct MI25 MxGPU in Assassin's Creed Odyssey is 142% more, than Radeon HD 6970M Crossfire.

Full Specs

  Radeon HD 6970M Crossfire Radeon Instinct MI25 MxGPU
Architecture Terascale 2 GCN 5.0
Code name Blackcomb XT Vega 10
Type Laptop Desktop
Release date 6 January 2011 27 June 2017
Pipelines 1920 4096
Core clock speed 680 MHz 1400 MHz
Boost Clock 1500 MHz
Transistor count 2x1700 Million 12,500 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 384.0
Length 267 mm
Memory bus width 256 Bit 2048 Bit
Memory clock speed 900 MHz 1704 MHz
Memory bandwidth 436.2 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0 12 (12_1)
Shader Model 6.4
OpenGL 4.6
OpenCL 2.0
Vulkan 1.1.125
Laptop size large
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