Radeon 550X vs Radeon HD 5850

When choosing between Radeon 550X and Radeon HD 5850, 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 550X and Radeon HD 5850.

Main Specs

  Radeon 550X Radeon HD 5850
Power consumption (TDP) 50 Watt 151 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Supplementary power connectors None 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 5850 has 202% more power consumption, than Radeon 550X.
  • Radeon 550X is connected by PCIe 3.0 x8, and Radeon HD 5850 uses PCIe 2.0 x16 interface.
  • Radeon 550X has 1 GB more memory, than Radeon HD 5850.
  • Both cards are used in Desktops.
  • Radeon 550X is build with GCN 4.0 architecture, and Radeon HD 5850 - with Terascale 2.
  • Core clock speed of Radeon 550X is 357 MHz higher, than Radeon HD 5850.
  • Radeon 550X is manufactured by 14 nm process technology, and Radeon HD 5850 - by 40 nm process technology.
  • Radeon HD 5850 is 96 mm longer, than Radeon 550X.
  • Memory clock speed of Radeon 550X is 5000 MHz higher, than Radeon HD 5850.

Game benchmarks

high / 1080p 7−8 9−10
ultra / 1080p 4−5 5−6
QHD / 1440p 0−1 0−1
low / 720p 16−18 21−24
medium / 1080p 9−10 12−14
The average gaming FPS of Radeon HD 5850 in Assassin's Creed Odyssey is 33% more, than Radeon 550X.

Full Specs

  Radeon 550X Radeon HD 5850
Architecture GCN 4.0 Terascale 2
Code name Lexa Cypress
Type Desktop Desktop
Release date 27 March 2019 30 September 2009
Pipelines 512 1440
Core clock speed 1082 MHz 725 MHz
Boost Clock 1218 MHz
Transistor count 2,200 million 2,154 million
Manufacturing process technology 14 nm 40 nm
Texture fill rate 38.98 52.20
Floating-point performance 2,088.0 gflops
Length 145 mm 241 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 7000 MHz 2000 MHz
Memory bandwidth 112.0 GB/s 128.0 GB/s
DirectX 12 (12_0) 11.2 (11_0)
Shader Model 6.4 5.0
OpenGL 4.6 4.4
OpenCL 2.0 1.2
Vulkan 1.2.131 N/A
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