Radeon Pro 555X vs Radeon Sky 500

Find out if it is worth upgrading your current GPU setup by comparing Radeon Pro 555X and Radeon Sky 500. 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 Pro 555X and Radeon Sky 500. 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 Pro 555X Radeon Sky 500
Power consumption (TDP) 75 Watt 150 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs 1x DisplayPort
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  • Radeon Sky 500 has 100% more power consumption, than Radeon Pro 555X.
  • Radeon Pro 555X is connected by PCIe 3.0 x8, and Radeon Sky 500 uses PCIe 3.0 x16 interface.
  • Radeon Sky 500 has 2 GB more memory, than Radeon Pro 555X.
  • Radeon Pro 555X is used in Mobile workstations, and Radeon Sky 500 - in Desktops.
  • Radeon Pro 555X is build with Polaris architecture, and Radeon Sky 500 - with GCN 1.0.
  • Core clock speed of Radeon Sky 500 is 95 MHz higher, than Radeon Pro 555X.
  • Radeon Pro 555X is manufactured by 14 nm process technology, and Radeon Sky 500 - by 28 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 280 MHz higher, than Radeon Sky 500.

Game benchmarks

high / 1080p 16−18 35−40
ultra / 1080p 10−11 21−24
QHD / 1440p 4−5 16−18
4K / 2160p 4−5 10−11
low / 720p 30−35 60−65
medium / 1080p 21−24 40−45
The average gaming FPS of Radeon Sky 500 in Assassin's Creed Odyssey is 113% more, than Radeon Pro 555X.

Full Specs

  Radeon Pro 555X Radeon Sky 500
Architecture Polaris GCN 1.0
Code name Polaris 21 Pitcairn
Type Mobile workstation Desktop
Release date 5 June 2017 27 March 2013
Pipelines 768 1280
Core clock speed 855 MHz 950 MHz
Transistor count 3,000 million 2,800 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 43.54 76.00
Floating-point performance 2,432 gflops
Length 242 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 5080 MHz 4800 MHz
Memory bandwidth 81.6 GB/s 154 GB/s
Shared memory -
DirectX 12 (12_0) 12 (11_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2.131 1.2.131
FreeSync +
Bus support PCIe 3.0
Laptop size large
Form factor full height / full length
DisplayPort count 1
Dual-link DVI support +
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