If you are looking for a graphics card for a high-end gaming system that can push a 4K Ultra HD display or triple panel configuration you have a number of choices from both AMD and NVIDIA. More than likely the AMD Radeon R9 290 series and NVIDIA GeForce GTX 780 series are going to be the cards that have the horse power to get the performance you need to accelerate all those pixels at a playable frame rate. If you are looking at AMD cards, the AMD Radeon R9 295X2 is pretty sweet, but it carries a rather impressive $1499 price tag when it releases on April 21st, 2014. If you have a high-end gaming rig and a 4K display you can likely afford that, but what about those that don’t want to spend that much money on a graphics card. We recently reviewed the XFX Radeon R9 290 Double Dissipation and had the opportunity to get a second card in for additional thermal testing. Since we had two identical cards sitting on the test bench we figured that we’d flash the BIOS in order for the cards to be identical and run some CrossFire tests with AMD’s latest Catalyst 14.4 Beta drivers...