295x2 almost similar to 2 x 290x, 290x produced with 44 chips and each gpu on 295x2 also have 44 chips, 88 in total. Referring to this https://www.nicehash.com/profitability-calculator/amd-r9-290x?e=0.1¤cy=USD , most profitable algorithm for 295x2 is Crytonight and second ones are Equihas.