hi I have been looking at two rx590 cards Sapphire Radeon Pulse RX 590 8GB GDDR5 Dual HDMI/ DVI-D/ Dual DP w/ Backplate (UEFI) PCI-E Graphic Cards and Sapphire Radeon Nitro+ RX 590 8GB GDDR5 Dual HDMI/ DVI-D/ Dual DP OC w/ Backplate Special Edition (UEFI) PCI-E Graphic Cards 11289-01-20G not sure which is better or are they the same they are both 279 dollars Canadian