Radeon HD 6850M vs Radeon Pro 580X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6850M 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 6850M 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.

Radeon HD 6850M is a Laptop Graphics Card

Note: Radeon HD 6850M 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 6850M here:

Main Specs

  Radeon HD 6850M Radeon Pro 580X
Power consumption (TDP) 50 Watt 150 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 1 GB 8 GB
Display Connectors No outputs No outputs
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  • Radeon Pro 580X has 200% more power consumption, than Radeon HD 6850M.
  • Radeon HD 6850M is connected by PCIe 2.0 x16, and Radeon Pro 580X uses PCIe 3.0 x16 interface.
  • Radeon Pro 580X has 7 GB more memory, than Radeon HD 6850M.
  • Radeon HD 6850M is used in Laptops, and Radeon Pro 580X - in Desktops.
  • Radeon HD 6850M is build with Terascale 2 architecture, and Radeon Pro 580X - with GCN 4.0.
  • Core clock speed of Radeon Pro 580X is 525 MHz higher, than Radeon HD 6850M.
  • Radeon HD 6850M is manufactured by 40 nm process technology, and Radeon Pro 580X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 580X is 5980 MHz higher, than Radeon HD 6850M.

Game benchmarks

high / 1080p 2−3 35−40
ultra / 1080p 0−1 24−27
QHD / 1440p 0−1 18−20
4K / 2160p 10−12
low / 720p 12−14 60−65
medium / 1080p 3−4 45−50
The average gaming FPS of Radeon Pro 580X in Assassin's Creed Odyssey is 716% more, than Radeon HD 6850M.

Full Specs

  Radeon HD 6850M Radeon Pro 580X
Architecture Terascale 2 GCN 4.0
Code name Granville Pro/LP Polaris 20
Type Laptop Workstation
Release date 6 January 2011 18 March 2019
Pipelines 800 2304
Core clock speed 575 / 675 MHz 1100 MHz
Boost Clock 1200 MHz
Transistor count 1,040 million 5,700 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 27.00 172.8
Floating-point performance 1,080.0 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 800 MHz 6780 MHz
Memory bandwidth 25.6 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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