Mobility Radeon HD 5870 Crossfire vs Radeon Sky 500

When choosing between Mobility Radeon HD 5870 Crossfire and Radeon Sky 500, 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 Sky 500.

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 Sky 500
Power consumption (TDP) 120 Watt 150 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type DDR3, GDDR3, GDDR5 GDDR5
Maximum RAM amount 2x1 GB 4 GB
Display Connectors 1x DisplayPort
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  • Radeon Sky 500 has 25% more power consumption, than Mobility Radeon HD 5870 Crossfire.
  • Radeon Sky 500 has 2 GB more memory, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is used in Laptops, and Radeon Sky 500 - in Desktops.
  • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Radeon Sky 500 - with GCN 1.0.
  • Core clock speed of Radeon Sky 500 is 250 MHz higher, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon Sky 500 - by 28 nm process technology.
  • Memory clock speed of Radeon Sky 500 is 3800 MHz higher, than Mobility Radeon HD 5870 Crossfire.

Game benchmarks

high / 1080p 16−18 35−40
ultra / 1080p 9−10 21−24
QHD / 1440p 4−5 16−18
4K / 2160p 10−11
low / 720p 30−35 60−65
medium / 1080p 18−20 40−45
The average gaming FPS of Radeon Sky 500 in Assassin's Creed Odyssey is 125% more, than Mobility Radeon HD 5870 Crossfire.

Full Specs

  Mobility Radeon HD 5870 Crossfire Radeon Sky 500
Architecture Terascale 2 GCN 1.0
Code name Broadway-XT Pitcairn
Type Laptop Desktop
Release date 7 January 2010 27 March 2013
Pipelines 1600 1280
Core clock speed 700 MHz 950 MHz
Transistor count 2,800 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 76.00
Floating-point performance 2,432 gflops
Length 242 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1000 MHz 4800 MHz
Memory bandwidth 154 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0 12 (11_1)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Bus support PCIe 3.0
Laptop size large
Form factor full height / full length
DisplayPort count 1
Dual-link DVI support +
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