Radeon HD 8790M vs Radeon Pro 555

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 8790M and Radeon Pro 555. 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 HD 8790M and Radeon Pro 555. 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 HD 8790M and Radeon Pro 555 are Laptop Graphics Cards

Note: Radeon HD 8790M 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 HD 8790M or Radeon Pro 555 here:

Main Specs

  Radeon HD 8790M Radeon Pro 555
Power consumption (TDP) 75 Watt
Interface MXM-A (3.0) 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 HD 8790M is connected by MXM-A (3.0), and Radeon Pro 555 uses PCIe 3.0 x8 interface.
  • Radeon HD 8790M and Radeon Pro 555 have maximum RAM of 2 GB.
  • Radeon HD 8790M is used in Laptops, and Radeon Pro 555 - in Mobile workstations.
  • Radeon HD 8790M is build with GCN architecture, and Radeon Pro 555 - with Polaris.
  • Core clock speed of Radeon Pro 555 is 5 MHz higher, than Radeon HD 8790M.
  • Radeon HD 8790M is manufactured by 28 nm process technology, and Radeon Pro 555 - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555 is 580 MHz higher, than Radeon HD 8790M.

Game benchmarks

high / 1080p 3−4 16−18
ultra / 1080p 1−2 9−10
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 14−16 30−35
medium / 1080p 6−7 20−22
The average gaming FPS of Radeon Pro 555 in Assassin's Creed Odyssey is 233% more, than Radeon HD 8790M.

Full Specs

  Radeon HD 8790M Radeon Pro 555
Architecture GCN Polaris
Code name Mars XTX Polaris 21
Type Laptop Mobile workstation
Release date 16 November 2012 5 June 2017
Pipelines 384 768
Core clock speed 850 MHz 855 MHz
Boost Clock 900 MHz
Transistor count 950 million 3,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 21.60 40.80
Floating-point performance 691.2 gflops 1,306 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 4500 MHz 5080 MHz
Memory bandwidth 64 GB/s 81.6 GB/s
Shared memory - -
DirectX 12 (11_1) 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 1.2.131
FreeSync +
Bitcoin / BTC (SHA256) 80 Mh/s
Laptop size medium sized large
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