Is the only difference the oc or are there any other differences like better cooling or...?
Which one should I get?
http://www.amazon.co.uk/Sapphire-11199-16-20G-Graphics-Display-Express/dp/B00A1572TQ/ref=sr_1_1?s=computers&ie=UTF8&qid=1382045236&sr=1-1&keywords=7870
or
http://www.amazon.co.uk/Sapphire-11199-19-20G-CrossFireX-Multi-GPU-Technology/dp/B00A1572FK/ref=sr_1_3?s=computers&ie=UTF8&qid=1382045236&sr=1-3&keywords=7870
Which one should I get?
http://www.amazon.co.uk/Sapphire-11199-16-20G-Graphics-Display-Express/dp/B00A1572TQ/ref=sr_1_1?s=computers&ie=UTF8&qid=1382045236&sr=1-1&keywords=7870
or
http://www.amazon.co.uk/Sapphire-11199-19-20G-CrossFireX-Multi-GPU-Technology/dp/B00A1572FK/ref=sr_1_3?s=computers&ie=UTF8&qid=1382045236&sr=1-3&keywords=7870