Radeon HD 6970M Crossfire vs Radeon R9 M390

In this comparison between Radeon HD 6970M Crossfire and Radeon R9 M390 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 6970M Crossfire will be the best choice, for others Radeon R9 M390 will be their preference. Study the comparison tables below and make your choice.

Radeon HD 6970M Crossfire and Radeon R9 M390 are Laptop Graphics Cards

Note: Radeon HD 6970M Crossfire and Radeon R9 M390 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 Radeon HD 6970M Crossfire or Radeon R9 M390 here:

Main Specs

  Radeon HD 6970M Crossfire Radeon R9 M390
Memory type GDDR5 GDDR5
Maximum RAM amount 2x2 GB 2 GB
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  • Radeon HD 6970M Crossfire and Radeon R9 M390 have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • Radeon HD 6970M Crossfire is build with Terascale 2 architecture, and Radeon R9 M390 - with GCN.
  • Radeon HD 6970M Crossfire is manufactured by 40 nm process technology, and Radeon R9 M390 - by 28 nm process technology.

Game benchmarks

high / 1080p 21−24 18−20
ultra / 1080p 12−14 10−11
QHD / 1440p 7−8 5−6
4K / 2160p 5−6 4−5
low / 720p 40−45 35−40
medium / 1080p 24−27 21−24
The average gaming FPS of Radeon HD 6970M Crossfire in Assassin's Creed Odyssey is 18% more, than Radeon R9 M390.

Full Specs

  Radeon HD 6970M Crossfire Radeon R9 M390
Architecture Terascale 2 GCN
Code name Blackcomb XT Pitcairn
Type Laptop Laptop
Release date 6 January 2011 9 June 2015
Pipelines 1920 1024
Core clock speed 680 MHz
Transistor count 2x1700 Million 5000 Million
Manufacturing process technology 40 nm 28 nm
Memory bus width 256 Bit 256 Bit
Memory clock speed 900 MHz
Shared memory - -
DirectX DirectX 11, Shader 5.0
OpenGL 4.4
OpenCL Not Listed
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 242 Mh/s
Laptop size large large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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