Swisstop Yellow v Swisstop FFWD Brake pads

lef

Does anyone know if these are basically the same or are they different? I have Easton's and the yellow are recommended. However the FFWD ones look the same, called the same but are a little cheaper but if theyre a different compound I'll just stick with the ones recommended, though probably doesnt make much odds.

http://www.wiggle.co.uk/fast-forward-sw ... -set-of-4/