Radeon Pro 555X vs Radeon RX 540

When choosing between Radeon Pro 555X and Radeon RX 540, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon Pro 555X and Radeon RX 540.

Radeon Pro 555X and Radeon RX 540 are Laptop Graphics Cards

Note: Radeon Pro 555X and Radeon RX 540 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 555X or Radeon RX 540 here:

Main Specs

  Radeon Pro 555X Radeon RX 540
Power consumption (TDP) 75 Watt 65 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
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  • Radeon Pro 555X has 15% more power consumption, than Radeon RX 540.
  • Radeon Pro 555X is connected by PCIe 3.0 x8, and Radeon RX 540 uses PCIe 3.0 x16 interface.
  • Radeon RX 540 has 2 GB more memory, than Radeon Pro 555X.
  • Radeon Pro 555X is used in Mobile workstations, and Radeon RX 540 - in Laptops.
  • Radeon Pro 555X and Radeon RX 540 are build with Polaris architecture.
  • Radeon Pro 555X and Radeon RX 540 are manufactured by 14 nm process technology.
  • Memory clock speed of Radeon RX 540 is 920 MHz higher, than Radeon Pro 555X.

Game benchmarks

high / 1080p 16−18 14−16
ultra / 1080p 10−11 8−9
QHD / 1440p 4−5 3−4
4K / 2160p 4−5
low / 720p 30−35 30−33
medium / 1080p 21−24 18−20
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 13% more, than Radeon RX 540.

Full Specs

  Radeon Pro 555X Radeon RX 540
Architecture Polaris Polaris
Code name Polaris 21 Polaris 12
Type Mobile workstation Laptop
Release date 5 June 2017 21 March 2017
Pipelines 768 512
Core clock speed 855 MHz
Boost Clock 1219 MHz
Transistor count 3,000 million 1,500 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 43.54 39.01
Floating-point performance 1,248 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 5080 MHz 6000 MHz
Memory bandwidth 81.6 GB/s 96 GB/s
Shared memory - -
DirectX 12 (12_0) 12.0
Shader Model 6.4 5.0
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2.131
FreeSync + +
Laptop size large large
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