The top of the line Radeon 300 Series graphics card comprises of the R9 390X and the R9 390, both of which run on Grenada GPU (Grenada XT and Grenada Pro respectively) and sport 8GB of VRAM clocked at 1500MHz with 384GB/s bandwidth. The Radeon R9 390X and Radeon R9 390 will be available later this week, and will retail for $429 and $329 respectively. Looking at its specs sheet, the new Radeon R9 285 does have some advantage over the R9 280 like higher memory frequency and significantly lower TDP. Read more in our articles including "AMD Launches Radeon Series 300 Graphics Card" and "PowerColor intros Radeon R9 285 TurboDuo OC".
The top of the line Radeon 300 Series graphics card comprises of the R9 390X and the R9 390, both of which run on Grenada GPU (Grenada XT and Grenada Pro respectively) and sport 8GB of VRAM clocked at 1500MHz with 384GB/s bandwidth. The Radeon R9 390X and Radeon R9 390 will be available later this week, and will retail for $429 and $329 respectively.
Looking at its specs sheet, the new Radeon R9 285 does have some advantage over the R9 280 like higher memory frequency and significantly lower TDP.
Our coverage of Radeon R9 390 specs includes: "AMD Launches Radeon Series 300 Graphics Card"; "PowerColor intros Radeon R9 285 TurboDuo OC"; "AMD launches Radeon R9 285, priced at $249". Each article provides unique insights and information.