Mobility Radeon HD 5870 Crossfire vs Radeon RX 550X

When choosing between Mobility Radeon HD 5870 Crossfire and Radeon RX 550X, 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 Mobility Radeon HD 5870 Crossfire and Radeon RX 550X.

Mobility Radeon HD 5870 Crossfire is a Laptop Graphics Card

Note: Mobility Radeon HD 5870 Crossfire 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 Mobility Radeon HD 5870 Crossfire here:

Main Specs

  Mobility Radeon HD 5870 Crossfire Radeon RX 550X
Power consumption (TDP) 120 Watt 50 Watt
Interface PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3, GDDR3, GDDR5 GDDR5
Maximum RAM amount 2x1 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort
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  • Mobility Radeon HD 5870 Crossfire has 140% more power consumption, than Radeon RX 550X.
  • Radeon RX 550X has 2 GB more memory, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is used in Laptops, and Radeon RX 550X - in Desktops.
  • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Radeon RX 550X - with GCN 4.0.
  • Core clock speed of Radeon RX 550X is 400 MHz higher, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon RX 550X - by 14 nm process technology.
  • Memory clock speed of Radeon RX 550X is 5000 MHz higher, than Mobility Radeon HD 5870 Crossfire.

Game benchmarks

high / 1080p 16−18 10−11
ultra / 1080p 9−10 6−7
QHD / 1440p 4−5 0−1
low / 720p 30−35 21−24
medium / 1080p 18−20 12−14
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 46% more, than Radeon RX 550X.

Full Specs

  Mobility Radeon HD 5870 Crossfire Radeon RX 550X
Architecture Terascale 2 GCN 4.0
Code name Broadway-XT Lexa
Type Laptop Desktop
Release date 7 January 2010 16 December 2018
Pipelines 1600 512
Core clock speed 700 MHz 1100 MHz
Boost Clock 1183 MHz
Transistor count 2,200 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 37.86
Floating-point performance 1,211 gflops
Length 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1000 MHz 6000 MHz
Memory bandwidth 96 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0 12 (12_0)
Shader Model 6.4
OpenGL 4.6
OpenCL 2.0
Vulkan 1.2.131
Laptop size large
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