Radeon HD 6550A vs Radeon Pro 555X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6550A 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 6550A 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 Pro 555X is a Laptop Graphics Card

Note: Radeon Pro 555X 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 Pro 555X here:

Main Specs

  Radeon HD 6550A Radeon Pro 555X
Power consumption (TDP) 35 Watt 75 Watt
Interface MXM-A (3.0) PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR3 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
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  • Radeon Pro 555X has 114% more power consumption, than Radeon HD 6550A.
  • Radeon HD 6550A is connected by MXM-A (3.0), and Radeon Pro 555X uses PCIe 3.0 x8 interface.
  • Radeon HD 6550A and Radeon Pro 555X have maximum RAM of 2 GB.
  • Radeon HD 6550A is used in Desktops, and Radeon Pro 555X - in Mobile workstations.
  • Radeon HD 6550A is build with TeraScale 2 architecture, and Radeon Pro 555X - with Polaris.
  • Core clock speed of Radeon Pro 555X is 305 MHz higher, than Radeon HD 6550A.
  • Radeon HD 6550A is manufactured by 40 nm process technology, and Radeon Pro 555X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 3480 MHz higher, than Radeon HD 6550A.

Game benchmarks

high / 1080p 0−1 16−18
ultra / 1080p 10−11
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 1−2 30−35
medium / 1080p 0−1 21−24
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 3100% more, than Radeon HD 6550A.

Full Specs

  Radeon HD 6550A Radeon Pro 555X
Architecture TeraScale 2 Polaris
Code name Pinewood Polaris 21
Type Desktop Mobile workstation
Release date 7 February 2011 5 June 2017
Pipelines 480 768
Core clock speed 550 MHz 855 MHz
Transistor count 627 million 3,000 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 13.20 43.54
Floating-point performance 624.0 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 1600 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
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