Radeon HD 6950M vs Radeon Pro 580X

When choosing between Radeon HD 6950M and Radeon Pro 580X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 6950M and Radeon Pro 580X.

Radeon HD 6950M is a Laptop Graphics Card

Note: Radeon HD 6950M 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 6950M here:

Main Specs

  Radeon HD 6950M Radeon Pro 580X
Power consumption (TDP) 50 Watt 150 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors No outputs No outputs
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  • Radeon Pro 580X has 200% more power consumption, than Radeon HD 6950M.
  • Radeon HD 6950M is connected by MXM-B (3.0), and Radeon Pro 580X uses PCIe 3.0 x16 interface.
  • Radeon Pro 580X has 6 GB more memory, than Radeon HD 6950M.
  • Radeon HD 6950M is used in Laptops, and Radeon Pro 580X - in Desktops.
  • Radeon HD 6950M is build with Terascale 2 architecture, and Radeon Pro 580X - with GCN 4.0.
  • Core clock speed of Radeon Pro 580X is 520 MHz higher, than Radeon HD 6950M.
  • Radeon HD 6950M is manufactured by 40 nm process technology, and Radeon Pro 580X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 580X is 5880 MHz higher, than Radeon HD 6950M.

Game benchmarks

high / 1080p 8−9 35−40
ultra / 1080p 5−6 24−27
QHD / 1440p 0−1 18−20
4K / 2160p 10−12
low / 720p 20−22 60−65
medium / 1080p 10−12 45−50
The average gaming FPS of Radeon Pro 580X in Assassin's Creed Odyssey is 290% more, than Radeon HD 6950M.

Full Specs

  Radeon HD 6950M Radeon Pro 580X
Architecture Terascale 2 GCN 4.0
Code name Blackcomb Pro Polaris 20
Type Laptop Workstation
Release date 6 January 2011 18 March 2019
Pipelines 960 2304
Core clock speed 580 MHz 1100 MHz
Boost Clock 1200 MHz
Transistor count 1,700 million 5,700 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 27.84 172.8
Floating-point performance 1,113.6 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 900 MHz 6780 MHz
Memory bandwidth 115.2 GB/s 217.0 GB/s
Shared memory -
DirectX 11.2 (11_0) 12 (12_0)
Shader Model 5.0 6.4
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A 1.2.131
Laptop size large
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