Structurally there is no difference, and maybe they will all look similar and be bin'ed appropriately.
However PC Perspective's X700Pro arrived as a 'de-tuned' X700XT.
<A HREF="http://www.pcper.com/article.php?aid=74&type=expert" target="_new">http://www.pcper.com/article.php?aid=74&type=expert</A>
Not earth shattering like an R9600XT arriving with an R9800XT core, but it's interesting.
<A HREF="http://www.gamers-depot.com/hardware/video_cards/ati/x700/pro/gpu.jpg" target="_new">What the Reference(Eng Sample) PRO core looked like for others</A>
- You need a licence to buy a gun, but they'll sell anyone a stamp <i>(or internet account)</i> ! - <font color=green>RED </font color=green> <font color=red> GREEN</font color=red> GA to SK
However PC Perspective's X700Pro arrived as a 'de-tuned' X700XT.
<A HREF="http://www.pcper.com/article.php?aid=74&type=expert" target="_new">http://www.pcper.com/article.php?aid=74&type=expert</A>
Not earth shattering like an R9600XT arriving with an R9800XT core, but it's interesting.
<A HREF="http://www.gamers-depot.com/hardware/video_cards/ati/x700/pro/gpu.jpg" target="_new">What the Reference(Eng Sample) PRO core looked like for others</A>
- You need a licence to buy a gun, but they'll sell anyone a stamp <i>(or internet account)</i> ! - <font color=green>RED </font color=green> <font color=red> GREEN</font color=red> GA to SK