Cards supposedly have the same cooler as the Titan, while the official specifications are not yet known. According to unofficial information, the GTX 780 has 2,496 cores (GK110 chip), and 3 or 5 GB of GDDR5 memory, while the GTX 770 is based on the GPU GK104-425 with 1,536 CUDA cores, 2 or 4 GB of GDDR5 memory and comes with a 256-bit memory interface . The latter is actually a renamed GTX 680, with a slight modification of the GPU which is about 5 percent faster than its predecessor.
Rumors about price are ranging from 399-449 U.S. dollars for the GTX 770, while the GTX 780 should cost between $599 and $699, or slightly more than the Nvidia has asked so far for the card from the top of the range. The official presentation of the new Nvidia series graphics cards, including the two models, is expected later this month.
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