Saw on YouTube both BitWit and JayzTwo Cents uploaded videos on the performance of these cards.
Jayz: https://www.youtube.com/watch?v=WDrpsv0QIR0
BitWit: https://www.youtube.com/watch?v=QtQyyqqFZzo
Jayz: https://www.youtube.com/watch?v=WDrpsv0QIR0
BitWit: https://www.youtube.com/watch?v=QtQyyqqFZzo