Radeon HD 5870 vs Radeon RX 550X mobile

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 5870 and Radeon RX 550X mobile. 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 5870 and Radeon RX 550X mobile. 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 RX 550X mobile is a Laptop Graphics Card

Note: Radeon RX 550X mobile 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 RX 550X mobile here:

Main Specs

  Radeon HD 5870 Radeon RX 550X mobile
Power consumption (TDP) 188 Watt 50 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon HD 5870 has 276% more power consumption, than Radeon RX 550X mobile.
  • Radeon HD 5870 is connected by PCIe 2.0 x16, and Radeon RX 550X mobile uses PCIe 3.0 x8 interface.
  • Radeon RX 550X mobile has 3 GB more memory, than Radeon HD 5870.
  • Radeon HD 5870 is used in Desktops, and Radeon RX 550X mobile - in Laptops.
  • 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 326 MHz higher, than Radeon HD 5870.
  • 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 2200 MHz higher, than Radeon HD 5870.

Game benchmarks

high / 1080p 10−12 14−16
ultra / 1080p 6−7 9−10
QHD / 1440p 1−2 3−4
low / 720p 24−27 30−35
medium / 1080p 14−16 20−22
The average gaming FPS of Radeon RX 550X mobile in Assassin's Creed Odyssey is 45% more, than Radeon HD 5870.

Full Specs

  Radeon HD 5870 Radeon RX 550X mobile
Architecture TeraScale 2 Polaris
Code name Cypress Polaris 12
Type Desktop Laptop
Release date 23 September 2009 10 January 2019
Pipelines 1600 640
Core clock speed 850 MHz 1176 MHz
Boost Clock 1287 MHz
Transistor count 2,154 million 2,200 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 68.00 51.48
Floating-point performance 2,720.0 gflops
Length 282 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 4800 MHz 7000 MHz
Memory bandwidth 153.6 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
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