Radeon HD 4850 X2 vs Radeon Pro 555

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4850 X2 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 4850 X2 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 Pro 555 is a Laptop Graphics Card

Note: Radeon Pro 555 is only used in laptop graphics. It has 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 555 here:

Main Specs

  Radeon HD 4850 X2 Radeon Pro 555
Power consumption (TDP) 250 Watt 75 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors 1x 6-pin + 1x 8-pin None
Memory type GDDR3 GDDR5
Maximum RAM amount 512 MB 2 GB
Display Connectors 4x DVI, 1x S-Video No outputs
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  • Radeon HD 4850 X2 has 233% more power consumption, than Radeon Pro 555.
  • Radeon HD 4850 X2 is connected by PCIe 2.0 x16, and Radeon Pro 555 uses PCIe 3.0 x8 interface.
  • Radeon HD 4850 X2 has 510 GB more memory, than Radeon Pro 555.
  • Radeon HD 4850 X2 is used in Desktops, and Radeon Pro 555 - in Mobile workstations.
  • Radeon HD 4850 X2 is build with TeraScale architecture, and Radeon Pro 555 - with Polaris.
  • Core clock speed of Radeon Pro 555 is 230 MHz higher, than Radeon HD 4850 X2.
  • Radeon HD 4850 X2 is manufactured by 55 nm process technology, and Radeon Pro 555 - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555 is 3090 MHz higher, than Radeon HD 4850 X2.

Game benchmarks

high / 1080p 3−4 16−18
ultra / 1080p 2−3 9−10
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 14−16 30−35
medium / 1080p 5−6 20−22
The average gaming FPS of Radeon Pro 555 in Assassin's Creed Odyssey is 233% more, than Radeon HD 4850 X2.

Full Specs

  Radeon HD 4850 X2 Radeon Pro 555
Architecture TeraScale Polaris
Code name R700 Polaris 21
Type Desktop Mobile workstation
Release date 7 November 2008 5 June 2017
Pipelines 800 768
Core clock speed 625 MHz 855 MHz
Transistor count 956 million 3,000 million
Manufacturing process technology 55 nm 14 nm
Texture fill rate 25.00 40.80
Floating-point performance 2x 1,000.0 gflops 1,306 gflops
Length 267 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 1990 MHz 5080 MHz
Memory bandwidth 63.68 GB/s 81.6 GB/s
Shared memory -
DirectX 10.1 (10_1) 12 (12_0)
Shader Model 4.1 6.4
OpenGL 3.3 4.6
OpenCL 1.1 2.0
Vulkan N/A 1.2.131
FreeSync +
Laptop size large
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