D’après videocardz.com elle est annoncée à 600$
Enfin pour résumer:
R9 290X
11 CUs (compute units)
44 SMIDs (11 per CU)
2,816 stream processors
176 TMUs (Texture Mapping Units)
44 ROPs (Raster Operating Units)
4GB GDDR5 VRAM (6GB models will come later) — according to Softpedia
5+1+1 phase design (5 Phase Core and 1 Phase memory)
2 x DVI ports
1 x HDMI
1 x DisplayPort
8-Pin plus 6-Pin power connectors (300W TDP)
http://videocardz.com/46006/amd-radeon-r9-290x-specifications-confirmed-costs-600