Radeon Pro 455 vs Radeon RX 550X mobile

When choosing between Radeon Pro 455 and Radeon RX 550X mobile, 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 455 and Radeon RX 550X mobile.

Radeon Pro 455 and Radeon RX 550X mobile are Laptop Graphics Cards

Note: Radeon Pro 455 and Radeon RX 550X mobile 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 455 or Radeon RX 550X mobile here:

Main Specs

  Radeon Pro 455 Radeon RX 550X mobile
Power consumption (TDP) 35 Watt 50 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon RX 550X mobile has 42% more power consumption, than Radeon Pro 455.
  • Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
  • Radeon RX 550X mobile has 2 GB more memory, than Radeon Pro 455.
  • Radeon Pro 455 is used in Mobile workstations, and Radeon RX 550X mobile - in Laptops.
  • Radeon Pro 455 and Radeon RX 550X mobile are build with Polaris architecture.
  • Core clock speed of Radeon RX 550X mobile is 321 MHz higher, than Radeon Pro 455.
  • Radeon Pro 455 and Radeon RX 550X mobile are manufactured by 14 nm process technology.
  • Memory clock speed of Radeon RX 550X mobile is 2000 MHz higher, than Radeon Pro 455.

Game benchmarks

high / 1080p 16−18 14−16
ultra / 1080p 9−10 9−10
QHD / 1440p 4−5 3−4
4K / 2160p 4−5
low / 720p 30−35 30−35
medium / 1080p 20−22 20−22
Radeon Pro 455 and Radeon RX 550X mobile have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Radeon Pro 455 Radeon RX 550X mobile
Architecture Polaris Polaris
Code name Polaris 11 Polaris 12
Type Mobile workstation Laptop
Release date 27 October 2016 10 January 2019
Pipelines 768 640
Core clock speed 855 MHz 1176 MHz
Boost Clock 1287 MHz
Transistor count 3,000 million 2,200 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 41.04 51.48
Floating-point performance 1,313 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 5000 MHz 7000 MHz
Memory bandwidth 81.28 GB/s 96 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 + +
Bitcoin / BTC (SHA256) 163 Mh/s
Laptop size large large
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