Mobility Radeon HD 5870 vs Radeon RX 550X mobile

In this comparison between Mobility Radeon HD 5870 and Radeon RX 550X mobile you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Mobility Radeon HD 5870 will be the best choice, for others Radeon RX 550X mobile will be their preference. Study the comparison tables below and make your choice.

Mobility Radeon HD 5870 and Radeon RX 550X mobile are Laptop Graphics Cards

Note: Mobility Radeon HD 5870 and Radeon RX 550X mobile 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 Mobility Radeon HD 5870 or Radeon RX 550X mobile here:

Main Specs

  Mobility Radeon HD 5870 Radeon RX 550X mobile
Power consumption (TDP) 50 Watt 50 Watt
Interface MXM-B (3.0) PCIe 3.0 x8
Memory type DDR3, GDDR3, GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors No outputs No outputs
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  • Both graphics cards have the same power consumption of 50 Watt.
  • Mobility Radeon HD 5870 is connected by MXM-B (3.0), and Radeon RX 550X mobile uses PCIe 3.0 x8 interface.
  • Radeon RX 550X mobile has 3 GB more memory, than Mobility Radeon HD 5870.
  • Both cards are used in Laptops.
  • Mobility Radeon HD 5870 is build with Terascale 2 architecture, and Radeon RX 550X mobile - with Polaris.
  • Core clock speed of Radeon RX 550X mobile is 476 MHz higher, than Mobility Radeon HD 5870.
  • Mobility Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon RX 550X mobile - by 14 nm process technology.
  • Memory clock speed of Radeon RX 550X mobile is 6000 MHz higher, than Mobility Radeon HD 5870.

Game benchmarks

high / 1080p 10−11 14−16
ultra / 1080p 6−7 9−10
QHD / 1440p 0−1 3−4
low / 720p 21−24 30−35
medium / 1080p 12−14 20−22
The average gaming FPS of Radeon RX 550X mobile in Assassin's Creed Odyssey is 46% more, than Mobility Radeon HD 5870.

Full Specs

  Mobility Radeon HD 5870 Radeon RX 550X mobile
Architecture Terascale 2 Polaris
Code name Broadway-XT Polaris 12
Type Laptop Laptop
Release date 7 January 2010 10 January 2019
Pipelines 800 640
Core clock speed 700 MHz 1176 MHz
Boost Clock 1287 MHz
Transistor count 1,040 million 2,200 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 28.00 51.48
Floating-point performance 1,120.0 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 1000 MHz 7000 MHz
Memory bandwidth 64 GB/s 96 GB/s
Shared memory - -
DirectX 11.2 (11_0) 12 (12_0)
Shader Model 5.0 6.4
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A 1.2.131
FreeSync +
Laptop size large large
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