Radeon Pro 555 vs Radeon R9 M270X

In this comparison between Radeon Pro 555 and Radeon R9 M270X 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 M270X will be their preference. Study the comparison tables below and make your choice.

Radeon Pro 555 is a Laptop Graphics Card

Note: Radeon Pro 555 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 555 here:

Main Specs

  Radeon Pro 555 Radeon R9 M270X
Power consumption (TDP) 75 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
  Check Price
  • Radeon Pro 555 is connected by PCIe 3.0 x8, and Radeon R9 M270X uses PCIe 3.0 x16 interface.
  • Radeon R9 M270X has 2 GB more memory, than Radeon Pro 555.
  • Radeon Pro 555 is used in Mobile workstations, and Radeon R9 M270X - in Desktops.
  • Radeon Pro 555 is build with Polaris architecture, and Radeon R9 M270X - with GCN 1.0.
  • Core clock speed of Radeon Pro 555 is 130 MHz higher, than Radeon R9 M270X.
  • Radeon Pro 555 is manufactured by 14 nm process technology, and Radeon R9 M270X - by 28 nm process technology.
  • Memory clock speed of Radeon Pro 555 is 3955 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 16−18 6−7
ultra / 1080p 9−10 4−5
QHD / 1440p 4−5 0−1
4K / 2160p 4−5
low / 720p 30−35 16−18
medium / 1080p 20−22 8−9
The average gaming FPS of Radeon Pro 555 in Assassin's Creed Odyssey is 122% more, than Radeon R9 M270X.

Full Specs

  Radeon Pro 555 Radeon R9 M270X
Architecture Polaris GCN 1.0
Code name Polaris 21 Venus
Type Mobile workstation Desktop
Release date 5 June 2017 21 March 2014
Pipelines 768 640
Core clock speed 855 MHz 725 MHz
Boost Clock 775 MHz
Transistor count 3,000 million 1,500 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 40.80 31.00
Floating-point performance 1,306 gflops 1,536 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 5080 MHz 1125 MHz
Memory bandwidth 81.6 GB/s 72 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 6.4 5.1
OpenGL 4.6 4.4
OpenCL 2.0 Not Listed
Vulkan 1.2.131
FreeSync + +
Bus support PCIe 3.0 x16
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
  Check Price