@Chazore: Given that the performance of the old Tonga (R9 285), now Antigua (R9 380), was between the 280 and 280X but closer to the latter, I'd say that the 380X will beat the old 280X (or 7970 GHz) with ease.
Meanwhile Nvidia talked a bit about Pascal in Japan, but didn't say anything new about it
http://www.techpowerup.com/217652/nvidia-details-pascal-some-more-at-gtc-japan.html
2xPerformance/Watt over Maxwell, 4 stacks of HBM2 for a max total of 16GB (32GB for enterprise cards) with a bandwidth of 1TB/s. Also more about Nvidia Link or NVLink.
@Sprash: If possible, I still prefer to buy physical games, I think the last one was the complete edition of Civ V (and it was cheaper than the Steam version on sale!), but most of the time I go digital because it's simply cheaper.
Please excuse my bad English.
Currently gaming on a PC with an i5-4670k@stock (for now), 16Gb RAM 1600 MHz and a GTX 1070
Steam / Live / NNID : jonxiquet Add me if you want, but I'm a single player gamer.
Essay Pro