Radeon HD 7850 vs Radeon RX 550X

When comparing Radeon HD 7850 and Radeon RX 550X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 7850 and Radeon RX 550X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Main Specs

  Radeon HD 7850 Radeon RX 550X
Power consumption (TDP) 225 Watt 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors 1x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 7850 has 350% more power consumption, than Radeon RX 550X.
  • Radeon HD 7850 is connected by PCIe 3.0 x16, and Radeon RX 550X uses PCIe 3.0 x8 interface.
  • Radeon RX 550X has 2 GB more memory, than Radeon HD 7850.
  • Both cards are used in Desktops.
  • Radeon HD 7850 is build with GCN 1.0 architecture, and Radeon RX 550X - with GCN 4.0.
  • Radeon HD 7850 is manufactured by 28 nm process technology, and Radeon RX 550X - by 14 nm process technology.
  • Radeon HD 7850 is 65 mm longer, than Radeon RX 550X.
  • Memory clock speed of Radeon RX 550X is 4800 MHz higher, than Radeon HD 7850.

Game benchmarks

high / 1080p 18−20 10−11
ultra / 1080p 10−12 6−7
QHD / 1440p 5−6 0−1
4K / 2160p 4−5
low / 720p 35−40 21−24
medium / 1080p 24−27 12−14
The average gaming FPS of Radeon HD 7850 in Assassin's Creed Odyssey is 76% more, than Radeon RX 550X.

Full Specs

  Radeon HD 7850 Radeon RX 550X
Architecture GCN 1.0 GCN 4.0
Code name Pitcairn Lexa
Type Desktop Desktop
Release date 5 March 2012 16 December 2018
Pipelines 1024 512
Core clock speed 1100 MHz
Boost Clock 1000 MHz 1183 MHz
Transistor count 2,800 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 55.04 37.86
Floating-point performance 1,761 gflops 1,211 gflops
Length 210 mm 145 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 1200 MHz 6000 MHz
Memory bandwidth 153.6 GB/s 96 GB/s
DirectX 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131
FreeSync +
Bus support PCIe 2.1 x16
HDMI +
Bitcoin / BTC (SHA256) 249 Mh/s
Eyefinity +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 12.5 Mh/s
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