Chw.net sends in two slides about the 790GX chipset. From the charts, we see that the AMD 790GX will be 33% faster than the 780G. In addition, with sideport enabled, it can boost the IGP by aorund 10% more.
The 790GX will also support both CrossFire X and Hybrid CrossFire. In addition, it supports 1080 and high quality video processing.
Other features include AMD Overdrive, RAID 5 on SB750. There is also Dynamic Power Savings and Deep Sleep support.
The performance of 4 games, Crysis, World in Conflict, Unreal Tournanment III and Supereme Commander are tested against NVidia GF 8200 and Intel G35 in the chart below. We can see that both the NVIDIA and INTEL are nno match to the 790GX.