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According to our own sources, the new HD 5870 offers over 1600 Stream processors. Amazingly AMD doubled the number of SIMD units from 10 to 20. Since each SIMD unit contains 16 5-D units and a Quad-TMU overall, that means we count 1600 stream processors and 80 TMUs. We are talking about a new videocard whose core speed is at 850 MHz and whose 256-bit GDDR5 runs at 1200 MHz – all for the suggested retail of $399! AMD is expecting HD 5870 to come close to the performance of a HD 4870-X2 or the GTX 295.
Man, this is exciting stuff. I can't wait to see what Nvidia pulls out of their hat in a few months.
Yes looks like my 4870 will be replaced by the 5870 this year then. Just need to wait for an alternative and silent cooling solution like i always do. From what i've read tdp will be around the same as the 4870/90 so the cooler required will be massive.