Radeon Pro 455 vs Radeon Pro 555X

Find out if it is worth upgrading your current GPU setup by comparing Radeon Pro 455 and Radeon Pro 555X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon Pro 455 and Radeon Pro 555X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon Pro 455 and Radeon Pro 555X are Laptop Graphics Cards

Note: Radeon Pro 455 and Radeon Pro 555X 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 Pro 555X here:

Main Specs

  Radeon Pro 455 Radeon Pro 555X
Power consumption (TDP) 35 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 No outputs No outputs
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  • Radeon Pro 555X has 114% more power consumption, than Radeon Pro 455.
  • Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
  • Radeon Pro 455 and Radeon Pro 555X have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • Radeon Pro 455 and Radeon Pro 555X are build with Polaris architecture.
  • Both graphics cards have the same core clock speed.
  • Radeon Pro 455 and Radeon Pro 555X are manufactured by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 80 MHz higher, than Radeon Pro 455.

Game benchmarks

high / 1080p 16−18 16−18
ultra / 1080p 9−10 10−11
QHD / 1440p 4−5 4−5
4K / 2160p 4−5 4−5
low / 720p 30−35 30−35
medium / 1080p 20−22 21−24
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 7% more, than Radeon Pro 455.

Full Specs

  Radeon Pro 455 Radeon Pro 555X
Architecture Polaris Polaris
Code name Polaris 11 Polaris 21
Type Mobile workstation Mobile workstation
Release date 27 October 2016 5 June 2017
Pipelines 768 768
Core clock speed 855 MHz 855 MHz
Transistor count 3,000 million 3,000 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 41.04 43.54
Floating-point performance 1,313 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 5000 MHz 5080 MHz
Memory bandwidth 81.28 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 + +
Bitcoin / BTC (SHA256) 163 Mh/s
Laptop size large large
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