A little later next week, AMD will unveil its new upper-mainstream SKU, the Radeon HD 6790. After pictures Sapphire's card, it's MSI's turn. The MSI R6790 looks to be making use of the same non-reference PCB MSI used on other Radeon HD 6800 series graphics card, with a similar single-fan VGA heatsink. MSI's cooler uses a long aluminum fin array to which heat is fed by three direct-touch copper heat pipes. The Radeon HD 6790 is based on the 40 nm Barts GPU, with 800 stream processor enabled, and 1 GB of GDDR5 memory across a 256-bit wide memory interface. Display outputs include two each of DVI and mini-DisplayPort 1.2, and one full-size HDMI 1.4a.