Heres the fact list of the facts currently known about the 5800:
They launch in Q2-3 2009
-256 to 512 bit GDDR5 memory that can reach 1,750MHz max (7Ghz)
The list of info below is the likely facts of the 5870 and 5850
-320ALUs= 1,600 stream processing units
-120TMUs (for heavy texturing), vs 40tmus on the 4800 series and 80TMUs on the 280.
-32ROPs (heavy pixel processing) vs 16 on the RV770 and 32 on the 280
-2 DVIs, 1HDMI, and 1Displayport inputs. (hdmi an display replace the s-video)
-the cooling devices for the gpus and board are vapor cooled, reducing heat 30+% better than air-cooled.
-Board size the same as the 4800 series
-250 to 290mm in die size
-priced $299 at launch
-Core clock around 900+MHz
-1GB 512-bit GDDR5 ram around 1.5GHz, 6GHz effectively(can go up to 1,750mhz max, 7GHz effectively)
-2 six-pin ports
-Price $199 at launch
-800MHz core clock
-512MB 512-bit GDDR5 ram around 1,200MHz (with the cheaper quizmodo ram that can only go to 1,250mhz or 1,500mhz max, 5-6GHz effectively)
-single slot cooler
** both have DirectX11 and OpenCL
Estas especificaciones son un tanto diferentes, ver para creer.