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Advanced Micro Devices recently announced the availability of silicon targeted at the "performance" for the gaming community. The new 790GX chipset is slotted below the existing, higher-end 790FX, which is targeted at the ultra-enthusiast game segment.
This tiny piece of silicon is so good that AMD's decided to spin it into a new model: the 790GX. With its graphics core boosted from 500 to 700MHz and the addition of sideport memory riding shotgun, the 790GX is perhaps best thought of as a 780G Type R. The graphics upgrades hit the PCI Express front, too, with the 790GX arriving on motherboards designed to accommodate dual-x8 CrossFire configurations.
They said that the 790GX chipset integrates an ATI Radeon HD 3300 graphics processor but can also scale up to high-end ATI Radeon HD 4800 series graphics cards
The new typical motherboard built around the 790GX--priced at $355--is about $90 cheaper than a board based on Intel's P45 chipset.
I think amd is trying to catch gamers attraction to them.Amd says that its value 4 money is very high.