Radeon HD 6850M vs Radeon Pro 555X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6850M and Radeon Pro 555X. 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 555X. 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 and Radeon Pro 555X are Laptop Graphics Cards

Note: Radeon HD 6850M and Radeon Pro 555X 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 6850M or Radeon Pro 555X here:

Main Specs

  Radeon HD 6850M Radeon Pro 555X
Power consumption (TDP) 50 Watt 75 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs No outputs
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  • Radeon Pro 555X has 50% more power consumption, than Radeon HD 6850M.
  • Radeon HD 6850M is connected by PCIe 2.0 x16, and Radeon Pro 555X uses PCIe 3.0 x8 interface.
  • Radeon Pro 555X has 1 GB more memory, than Radeon HD 6850M.
  • Radeon HD 6850M is used in Laptops, and Radeon Pro 555X - in Mobile workstations.
  • Radeon HD 6850M is build with Terascale 2 architecture, and Radeon Pro 555X - with Polaris.
  • Core clock speed of Radeon Pro 555X is 280 MHz higher, than Radeon HD 6850M.
  • Radeon HD 6850M is manufactured by 40 nm process technology, and Radeon Pro 555X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 4280 MHz higher, than Radeon HD 6850M.

Game benchmarks

high / 1080p 2−3 16−18
ultra / 1080p 0−1 10−11
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 12−14 30−35
medium / 1080p 3−4 21−24
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 300% more, than Radeon HD 6850M.

Full Specs

  Radeon HD 6850M Radeon Pro 555X
Architecture Terascale 2 Polaris
Code name Granville Pro/LP Polaris 21
Type Laptop Mobile workstation
Release date 6 January 2011 5 June 2017
Pipelines 800 768
Core clock speed 575 / 675 MHz 855 MHz
Transistor count 1,040 million 3,000 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 27.00 43.54
Floating-point performance 1,080.0 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 800 MHz 5080 MHz
Memory bandwidth 25.6 GB/s 81.6 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
FreeSync +
Laptop size large large
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