Radeon HD 6950 vs Radeon Pro 580X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6950 and Radeon Pro 580X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 6950 and Radeon Pro 580X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Main Specs

  Radeon HD 6950 Radeon Pro 580X
Power consumption (TDP) 500 Watt 150 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Radeon HD 6950 has 233% more power consumption, than Radeon Pro 580X.
  • Radeon HD 6950 is connected by PCIe 2.0 x16, and Radeon Pro 580X uses PCIe 3.0 x16 interface.
  • Radeon Pro 580X has 6 GB more memory, than Radeon HD 6950.
  • Both cards are used in Desktops.
  • Radeon HD 6950 is build with TeraScale 3 architecture, and Radeon Pro 580X - with GCN 4.0.
  • Radeon HD 6950 is manufactured by 40 nm process technology, and Radeon Pro 580X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 580X is 5530 MHz higher, than Radeon HD 6950.

Game benchmarks

high / 1080p 14−16 35−40
ultra / 1080p 8−9 24−27
QHD / 1440p 3−4 18−20
4K / 2160p 10−12
low / 720p 27−30 60−65
medium / 1080p 16−18 45−50
The average gaming FPS of Radeon Pro 580X in Assassin's Creed Odyssey is 171% more, than Radeon HD 6950.

Full Specs

  Radeon HD 6950 Radeon Pro 580X
Architecture TeraScale 3 GCN 4.0
Code name Cayman Polaris 20
Type Desktop Workstation
Release date 14 December 2010 18 March 2019
Pipelines 1408 2304
Core clock speed 1100 MHz
Boost Clock 800 MHz 1200 MHz
Transistor count 2,640 million 5,700 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 70.40 172.8
Floating-point performance 2,252.8 gflops
Length 267 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1250 MHz 6780 MHz
Memory bandwidth 217.0 GB/s
DirectX 12 (12_0)
Shader Model 5.0 6.4
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 244 Mh/s
Eyefinity +
Design reference
CrossFire +
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