Radeon HD 7970M Crossfire vs Radeon Sky 500

When choosing between Radeon HD 7970M 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 Radeon HD 7970M Crossfire and Radeon Sky 500.

Radeon HD 7970M Crossfire is a Laptop Graphics Card

Note: Radeon HD 7970M 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 Radeon HD 7970M Crossfire here:

Main Specs

  Radeon HD 7970M Crossfire Radeon Sky 500
Power consumption (TDP) 200 Watt 150 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB
Display Connectors 1x DisplayPort
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  • Radeon HD 7970M Crossfire has 33% more power consumption, than Radeon Sky 500.
  • Radeon HD 7970M Crossfire is used in Laptops, and Radeon Sky 500 - in Desktops.
  • Radeon HD 7970M Crossfire is build with GCN architecture, and Radeon Sky 500 - with GCN 1.0.
  • Core clock speed of Radeon Sky 500 is 100 MHz higher, than Radeon HD 7970M Crossfire.
  • Radeon HD 7970M Crossfire and Radeon Sky 500 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7970M Crossfire and Radeon Sky 500 is 4800 MHz.

Game benchmarks

high / 1080p 35−40 35−40
ultra / 1080p 21−24 21−24
QHD / 1440p 16−18 16−18
4K / 2160p 10−11 10−11
low / 720p 60−65 60−65
medium / 1080p 40−45 40−45
Radeon HD 7970M Crossfire and Radeon Sky 500 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Radeon HD 7970M Crossfire Radeon Sky 500
Architecture GCN GCN 1.0
Code name Wimbledon XT Pitcairn
Type Laptop Desktop
Release date 1 May 2012 27 March 2013
Pipelines 2560 1280
Core clock speed 850 MHz 950 MHz
Transistor count 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 76.00
Floating-point performance 2,432 gflops
Length 242 mm
Memory bus width 2x 256 Bit 256 Bit
Memory clock speed 4800 MHz 4800 MHz
Memory bandwidth 154 GB/s
Shared memory -
DirectX DirectX 11.1, 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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