We’ve been updating you for months now about NVIDIA’s upcoming GTX280 (D10U-30) graphics card, and now as we get closer to launch, more details have been coming in. The GTX280 will make use of all 240 stream processors on the GPU, which are said to be 50% faster than those found on existing D9 (G92) graphics cores. The less-powerful GTX260 will have 48 of the stream processors disabled, so 192 total.

Beyond a difference in the number of stream processors, the two cards can be distinguished by examining the bus width. The flagship GTX280 will feature a 512-bit memory bus with support for 1GB of GDDR3 memory. Alternatively, the GTX260 will feature a 448-bit memory bus capable of supporting 896MB of GDDR3. Time will tell what advantages NVIDIA is forfeiting by not implementing GDDR5 in their next-gen cards like the competition did.

Both flavors of the D10U segment are supposed to be available in volume at launch, which is slated for June 17th. NVIDIA has been doing well with hard launches lately, though supply seems to run short in just a few weeks of sales. Hopefully this is not the case with their latest cash cow. The GTX280 is rumored to cost around $600, which is significantly more than NVIDIA’s current flagship GeForce 9800GX2, the dual-chip card that runs upwards of $500. Then again, the GTX280 is also supposed to be significantly faster and the enthusiast market has never been one to shy away from ultimate performance for the sake of a few hundred dollars.

Source: DailyTech, Fudzilla

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