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Rumors about the characteristics Of radeon HD 5700 began to appear before the announcement Of radeon HD 5800. Originally, to them was assigned the presence of 800 stream processors, but later it proved that their number grew to 1120, or even 1200 pieces.
The announcement date is on 13 October. During this day will appear two video card - Radeon HD 5750 and Radeon HD 5770, their characteristics appear as follows:
- Radeon HD 5770 - > $159, 10 SIMD blocks, 800 stream processors, 40 sample units  and textures filtering, 16 blocks ROP,  128- bit memory, the core clock frequency  850 MHz, the memory clock frequency GDDR5  1200 MHz (effective – 4800 MHz), energy consumption in the reset regime  - 18 W, under load - 108 W;
- Radeon HD 5750 - > $109-129, 9 SIMD blocks, 720 stream processors, 36 sample units and textures filtering, 16 blocks ROP, 128- bit memory, the core clock frequency  700 MHz, the memory clock frequency GDDR5  1150 MHz (effective – 4600 MHz), energy consumption in the reset regime - 16 W, under load - 86 W.
Elder video card will cost only $159, and it will be equipped with 1 Gb video memory. Low-end will be evaluated at $109 or $129, depending on the video memory volume : 512 mb. and 1 Gb respectively. It is worthwhile to also note that Radeon HD 5770 will be equipped with the cooling system, similar to the already utilized in radeon HD 5800, difference only in the length .
Here are the performance results for these two video cards. Related Products :
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