GRID K2 vs Radeon Pro 555X

Find out if it is worth upgrading your current GPU setup by comparing GRID K2 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 GRID K2 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

  GRID K2 Radeon Pro 555X
Power consumption (TDP) 225 Watt 75 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors 1x 8-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs No outputs
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  • GRID K2 has 200% more power consumption, than Radeon Pro 555X.
  • GRID K2 is connected by PCIe 3.0 x16, and Radeon Pro 555X uses PCIe 3.0 x8 interface.
  • GRID K2 has 2 GB more memory, than Radeon Pro 555X.
  • GRID K2 is used in Desktops, and Radeon Pro 555X - in Mobile workstations.
  • GRID K2 is build with Kepler architecture, and Radeon Pro 555X - with Polaris.
  • Core clock speed of Radeon Pro 555X is 110 MHz higher, than GRID K2.
  • GRID K2 is manufactured by 28 nm process technology, and Radeon Pro 555X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 80 MHz higher, than GRID K2.

Game benchmarks

high / 1080p 16−18 16−18
ultra / 1080p 9−10 10−11
QHD / 1440p 4−5 4−5
4K / 2160p 4−5 4−5
low / 720p 30−35 30−35
medium / 1080p 20−22 21−24
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 7% more, than GRID K2.

Full Specs

  GRID K2 Radeon Pro 555X
Architecture Kepler Polaris
Code name GK104 Polaris 21
Type Workstation Mobile workstation
Release date 11 May 2013 5 June 2017
Pipelines 1536 768
Core clock speed 745 MHz 855 MHz
Transistor count 3,540 million 3,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 95.36 43.54
Floating-point performance 2x 2,289 gflops
Length 267 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 5000 MHz 5080 MHz
Memory bandwidth 160.0 GB/s 81.6 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA 3.0
FreeSync +
Bitcoin / BTC (SHA256) 114 Mh/s
Laptop size large
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