If all those NDAs last month weren't already enough for everyone, we start the NDA run for April nice and early. With AMD having taken care of the high end segment with cards like the HD 6970 and HD 6990, while also taking care of that mid-range - high end segment with cards from the HD 6800 series, it was only a matter of time 'till we saw some more mid-range, cheaper cards hit the market.
Considering NVIDIA released the GTX 550 Ti last month and more mid-range models are rumored, it comes as no surprise that AMD are starting to release their line-up. The first comes in the form of the HD 6790. It's clear that the xx30 naming scheme didn't work for them in the past, so it seems they've decided to look at a 50, 70 and 90 line-up now."
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