Radeon 540X vs Radeon Pro 555

When comparing Radeon 540X and Radeon Pro 555, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon 540X and Radeon Pro 555 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon 540X and Radeon Pro 555 are Laptop Graphics Cards

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

Main Specs

  Radeon 540X Radeon Pro 555
Power consumption (TDP) 50 Watt 75 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x8
Supplementary power connectors None None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon Pro 555 has 50% more power consumption, than Radeon 540X.
  • Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
  • Radeon 540X and Radeon Pro 555 have maximum RAM of 2 GB.
  • Radeon 540X is used in Laptops, and Radeon Pro 555 - in Mobile workstations.
  • Radeon 540X is build with GCN 4.0 architecture, and Radeon Pro 555 - with Polaris.
  • Radeon 540X and Radeon Pro 555 are manufactured by 14 nm process technology.
  • Memory clock speed of Radeon 540X is 920 MHz higher, than Radeon Pro 555.

Game benchmarks

high / 1080p 6−7 16−18
ultra / 1080p 3−4 9−10
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 14−16 30−35
medium / 1080p 7−8 20−22
The average gaming FPS of Radeon Pro 555 in Assassin's Creed Odyssey is 150% more, than Radeon 540X.

Full Specs

  Radeon 540X Radeon Pro 555
Architecture GCN 4.0 Polaris
Code name Lexa Polaris 21
Type Laptop Mobile workstation
Release date 12 August 2019 5 June 2017
Pipelines 512 768
Core clock speed 855 MHz
Boost Clock 1219 MHz
Transistor count 2,200 million 3,000 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 33.47 40.80
Floating-point performance 1,306 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 6000 MHz 5080 MHz
Memory bandwidth 112.0 GB/s 81.6 GB/s
Shared memory - -
DirectX 12 (12_0) 12 (12_0)
Shader Model 6.4 6.4
OpenGL 4.6 4.6
OpenCL 2.0 2.0
Vulkan 1.2.131 1.2.131
FreeSync +
Laptop size large
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