The ASUS M4A78T-E motherboard is built on AMDs 790GX integrated graphics processor and SB750 southbridge, supports HyperTransport 3.0 at 5200 MT/S and has a 128MB DDR3-1333 memory buffer built in just for the Radeon HD 3300 IGP. Like all AMD 790GX motherboards, you can think of it as an IGP platform with a entry level videocard. The Radeon HD 3300 on-board graphics solution is based largely on the Radeon HD 3200 IGP, but with a core overclock fo 700MHz from 500MHz, making it one of the fastest integrated graphics chipsets. The Asus M4A78T-E equips the Radeon HD 3300 with an additional 128MB of DDR3 Sideport memory for additional graphics oomph.
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