Today AMD company declared about the beginning of official HD4870 X2 sales. Simultaneously AMD presented the video card radeon HD 4850 X2, which also unites on one printed-circuit board (PCB) two chips RV770, but instead of 2 X 1 Gb GDDR-5 memory ,they use 2 X 1 Gb GDDR-3 memory .
The main update todas are the official prices. Thus, radeon HD 4870 X2 with 2 X 1 Gb GDDR-5 memory and 750/3600 MHz frequencies will be proposed for $549. In September on sale will enter the radeon HD 4850 X2, working at 625/2000 MHz frequencies, and coupled with 2 X 1 Gb GDDR-3 memory .
They will be proposed for $399. NVIDIA company confirmed also the competing price: GeForce GTX 280 will be proposed for $499, while GeForce GTX 260 - for $299. Of course this only the recommended by producers price, and in stores price can be higher.