The Radeon R390 an R380 cards will be based on improved Hawaii and Tonga chips. Radeon R9 290X and 290 will be replaced by an improved Hawaii-based chip codenamed Granada that is basically improved Hawaii silicon. This is not a simple rebrand, it is an improved design, or so our sources claim, but they didn’t want discuss the details. The Radeon R9 390X and R9 390 and these cards will launch on June 18th.
Partners are already sampling these cards and preparing to start selling them in just over a week from now.
The Radeon R9 380 is a Tonga Pro chip and we heard people mention Antigua codename. Partners are very excited about this one, as it replaces three current products Radeon R9 280X, R9 285 and R9 280 cards. They are meant to fight the Geforce GTX 960, as they sit in the similar price range. Some sources think that this might be winner card that will help AMD to gain some market share back.
The cards that are replacing Radeon R9 270X, 270 and 260X will be based on improved Curacao / Pictrian and Bonaire core. The new cards are called R7 370 and R7 360. The chaps from Videocardz got a nice slide with more details, but they didn’t talk about launch dates.
The Radeon R7 250 remains based on old Oland chip and will keep the R7 250 name.