Radeon Pro 555 vs Radeon R9 M280X

In this comparison between Radeon Pro 555 and Radeon R9 M280X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon Pro 555 will be the best choice, for others Radeon R9 M280X will be their preference. Study the comparison tables below and make your choice.

Radeon Pro 555 and Radeon R9 M280X are Laptop Graphics Cards

Note: Radeon Pro 555 and Radeon R9 M280X 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 Pro 555 or Radeon R9 M280X here:

Main Specs

  Radeon Pro 555 Radeon R9 M280X
Power consumption (TDP) 75 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 Not Listed
Maximum RAM amount 2 GB
Display Connectors No outputs No outputs
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  • Radeon Pro 555 is connected by PCIe 3.0 x8, and Radeon R9 M280X uses PCIe 3.0 x16 interface.
  • Radeon Pro 555 is used in Mobile workstations, and Radeon R9 M280X - in Laptops.
  • Radeon Pro 555 is build with Polaris architecture, and Radeon R9 M280X - with GCN.
  • Core clock speed of Radeon R9 M280X is 45 MHz higher, than Radeon Pro 555.
  • Radeon Pro 555 is manufactured by 14 nm process technology, and Radeon R9 M280X - by 28 nm process technology.

Game benchmarks

high / 1080p 16−18 2−3
ultra / 1080p 9−10 1−2
QHD / 1440p 4−5 0−1
4K / 2160p 4−5
low / 720p 30−35 14−16
medium / 1080p 20−22 4−5
The average gaming FPS of Radeon Pro 555 in Assassin's Creed Odyssey is 300% more, than Radeon R9 M280X.

Full Specs

  Radeon Pro 555 Radeon R9 M280X
Architecture Polaris GCN
Code name Polaris 21 Saturn XT
Type Mobile workstation Laptop
Release date 5 June 2017 1 February 2015
Pipelines 768 896
Core clock speed 855 MHz 900 MHz
Transistor count 3,000 million 2,080 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 40.80 61.60
Floating-point performance 1,306 gflops 1,792 gflops
Memory bus width 128 Bit
Memory clock speed 5080 MHz
Memory bandwidth 81.6 GB/s 96 GB/s
Shared memory - -
DirectX 12 (12_0)
Shader Model 6.4 6.3
OpenGL 4.6 4.4
OpenCL 2.0 Not Listed
Vulkan 1.2.131
FreeSync + +
Bus support Not Listed
Laptop size large large
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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