Apart from lacking Crossfire support, this will be better in every way, won't it? Both are the 2GB versions. Cheers
Nope, its a massive downgrade http://www.hwcompare.com/15244/radeon-hd-4870-2gb-vs-radeon-r7-240/ http://gpuboss.com/gpus/Radeon-R7-240-vs-Radeon-HD-4870 The R9 270 is where you need to start looking