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home > news > amd 790gx chipset with sb750 arrives
AMD 790GX chipset with SB750 arrives
Published: 6th August 2008 @ 5:15 AM
Author: Steve Dougherty
AMD's latest 790GX chipset makes its debut today which can be considered as 780G on steroids; aimed more so at value conscious gamers and enthusiasts. The integrated Radeon HD 3300 graphics processor features all the capabilities found in 780G's IGP but comes clocked significantly higher and with sideport memory for up to 33% better performance.
The much anticipated SB750 Southbridge makes its way onto this board as well, which not only adds RAID 5 support but also another feature called Advanced Clock Calibration (ACC) which should excite the AMD Phenom crowd with an apparent ability to overclock the CPUs quite a bit higher than otherwise possible with previous boards.
So far there has been coverage pop up from Hot Hardware, PCGamesHardware, Legit Reviews, MadBoxPC and the Tech Report which delves deep into the chipset and how well it all comes together in the real world. I'll be sure to add more sites with coverage to this post as they surface.
The AMD 790GX is a tough product to categorize. It is targeted at value conscious gamers, enthusiasts, and multimedia buffs all at the same time. The block diagram above gives a high-level overview of the chipsets main features and illustrates how each component is connected in the architecture.
As you can see, the AMD 790GX Northbridge is connected to the AM2+ socket through a HyperTransport 3.0 link and it sports and integrated graphics core, along with a flexible PCI Express lane configuration. PATA, 6 SATA ports, HD audio, and 12 USB ports are supported by the SB750 Southbridge. Also, at the bottom of the diagram, a new feature you may not be familiar with, makes its debut--ACC, or Advanced Clock Calibration. More of ACC a bit later.
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