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Nvidia powers up GeForce 9800 GTX, nForce 790i

Company makes three (graphics) card brag

Nvidia has rolled out its GeForce 9800 GTX graphics card, a couple of weeks later than anticipated. It also formally unveiled the nForce 790i series of chipsets.

The 9800 GTX contains 128 unfied shaders running at 1688MHz - the GPU's core as a whole is clocked to 675MHz. The chip connects to 512MB of GDDR 3 memory over a bus that's 256 bits wide. The memory is clocked to 1100MHz yielding a memory bandwidth of 70.4GB/s.

Nvidia GeForce 9800 GTX

Nvidia's GeForce 9800 GTX: fast

Nvidia said the GPU can fill textures at a rate of 43.2bn every second.

The company's two-slot reference design incorporates a pair of dual-link DVI connectors and an HD TV output port.

The 9800 GTX supports Nvidia's HybridPower technology, allowing it to be powered down when it's connected to an compatible motherboard based on an Nvidia integrated-graphics chipset. When the 9800 GTX's horsepower isn't required, the lower-power integrated GPU takes over on the fly.

The 9800 GTX is also ready for two- and three-card SLI set-ups.

Nvidia said the new graphics chip will debut on boards priced in the $299-349 band. To get the best out of the GPU, the company claimed, you'll need an Nvidia nForce 790i Ultra SLI-based motherboard, which was formally launched yesterday too.

You can read Register Hardware's review of the 790i Ultra here.

Nvidia nForce 790i SLI Extreme chipset

nForce 790i Ultra SLI: three-card brag

The 790i supports LGA775-socketed Intel processors running on a 1600MHz frontside bus. It connects the CPU to two channels of DDR 3 memory, and two x16 PCI Express (PCIe) 2.0 graphics card slots and one x16 PCIe slot.

The chipset's I/O component provides a pair of Gigabit Ethernet controllers, support for up to ten USB 2.0 ports on the motherboard, six 3Gb/s SATA drives in a variety of RAID modes, two parallel ATA drives, and HD Audio.

Boards based on the nForce 790i SLI Ultra are priced around £250/$300.

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Nvidia nForce 790i SLI Ultra

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