I have little to no knowlege on amd cards but i am interested in the 280x. please tell me which of these is better. they cost the same here in canada.
http://www.ncix.com/detail/xfx-radeon-hd-r9-280x-ff-91053-1070.htm
http://www.ncix.com/detail/sapphire-radeon-r9-280x-870mhz-53-91074-1070.htm
http://www.ncix.com/detail/xfx-radeon-hd-r9-280x-ff-91053-1070.htm
http://www.ncix.com/detail/sapphire-radeon-r9-280x-870mhz-53-91074-1070.htm