Difference between sapphire rx580 20g and 41g

[prabodhsahoo5]

What is the difference between sapphire Rx 580 20g vs 41g .the 20g model is less price than the 41 g

 

[herrwizo]

Could you please provide links to specific models with detailed specs? Most likely difference is either slight clock speed advantage on 41g, or somewhat different/improved cooling system. But that is only a speculation without full specs.