The picture of AMD Radeon R9 290X video card was out via another source, which shows the picture of the PCB itself. Before that, it was pointed out by Forbes during an interview that Hawaii GPU would be based on 28nm process with a 30% smaller die size in comparison with Nvidia GK110 core which is around 550 mm². However, 3DCenter points out that Hawaii GPU would be 430 mm².
Keeping the die size aside, it was pointed out that Hawaii core will have 2,816 core processors with 44 clusters and with 64 stream processors each. The core is said to be clocked at 900MHz, whereas the overclocked editions would be around 1GHz. Tahiti GPU had 2 independent raster engines, but the Hawaii will have 4, and will have up to 4GB GDDR5 with 512 bit wide memory bus and support DX11.2.
According to the leaked images, the reference version will take power via 8+6 PCIe power connector and use 5+ 1 phase counts. AMD Radeon R9-290X will have 2x DVI, HDMI and DisplayPort.
There were some benchmarks that were apparently leaked, but the name of the card was blanked out. Its uncertain at this point whether those screenshots are authentic or not:
As of now, its reported that the card will be launching in October 2013, between $599 and $649. If and when the card is launched, it will be interesting to know where the card really stands in terms of power consumption and performance, but judging by the screenshots, AMD upcoming flagship should turn some heads.