Which GTX 970 is the best ?

[Patoki]

Which GTX 970 is the most powerful ?
And with what does it stand out ? P.S.- I'm not interested in how good the cooler is, but in Performance. ( I dont want to OC 😀 )

 

[gashonie]

https://www.msi.com/product/graphics-card/GTX-970-GAMING-4G.html#hero-overview