The market success of RV770 video chip inspires many video cards producers . Traditional AMD partners hurry to diversify their production with new radeon HD 4850 and Radeon HD 4870 versions , and some old NVIDIA partners also introduce their versions.

PowerColor company actively enlarges its proposals on base of RV770 chip. Associates checked the video card radeon HD 4870 series PCS with 512 mb GDDR-5 memory and made an interesting discovery. The printed-circuit board (PCB) is prepared for three version : 512 mb., 1 Gb and 2 Gb. On this base associate note that PowerColor can release the radeon HD 4870 with 1 Gb and 2 Gb ( GDDR-5 memory ) . PowerColor already proposes the version radeon HD 4850 with 2 Gb GDDR-3 memory.....