Mobility Radeon HD 5870 vs Radeon HD 6970M

In this comparison between Mobility Radeon HD 5870 and Radeon HD 6970M 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 Mobility Radeon HD 5870 will be the best choice, for others Radeon HD 6970M will be their preference. Study the comparison tables below and make your choice.

Mobility Radeon HD 5870 and Radeon HD 6970M are Laptop Graphics Cards

Note: Mobility Radeon HD 5870 and Radeon HD 6970M 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 Mobility Radeon HD 5870 or Radeon HD 6970M here:

Main Specs

  Mobility Radeon HD 5870 Radeon HD 6970M
Power consumption (TDP) 50 Watt 75 Watt
Interface MXM-B (3.0) MXM-B (3.0)
Supplementary power connectors None
Memory type DDR3, GDDR3, GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs No outputs
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  • Radeon HD 6970M has 50% more power consumption, than Mobility Radeon HD 5870.
  • Both video cards are using MXM-B (3.0) interface connection to a motherboard.
  • Radeon HD 6970M has 1 GB more memory, than Mobility Radeon HD 5870.
  • Both cards are used in Laptops.
  • Mobility Radeon HD 5870 and Radeon HD 6970M are build with Terascale 2 architecture.
  • Core clock speed of Mobility Radeon HD 5870 is 20 MHz higher, than Radeon HD 6970M.
  • Mobility Radeon HD 5870 and Radeon HD 6970M are manufactured by 40 nm process technology.
  • Memory clock speed of Mobility Radeon HD 5870 is 100 MHz higher, than Radeon HD 6970M.

Game benchmarks

high / 1080p 10−11 10−12
ultra / 1080p 6−7 6−7
QHD / 1440p 0−1 1−2
low / 720p 21−24 24−27
medium / 1080p 12−14 14−16
The average gaming FPS of Radeon HD 6970M in Assassin's Creed Odyssey is 7% more, than Mobility Radeon HD 5870.

Full Specs

  Mobility Radeon HD 5870 Radeon HD 6970M
Architecture Terascale 2 Terascale 2
Code name Broadway-XT Blackcomb XT
Type Laptop Laptop
Release date 7 January 2010 6 January 2011
Pipelines 800 960
Core clock speed 700 MHz 680 MHz
Transistor count 1,040 million 1,700 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 28.00 32.64
Floating-point performance 1,120.0 gflops 1,305.6 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 1000 MHz 900 MHz
Memory bandwidth 64 GB/s 115.2 GB/s
Shared memory - -
DirectX 11.2 (11_0) 11.2 (11_0)
Shader Model 5.0 5.0
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan N/A N/A
Bitcoin / BTC (SHA256) 118 Mh/s
Laptop size large large
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