I am trying to fill this up to see if it's worth to invest into mining :
https://etherscan.io/ether-mining-calculatorHow much watts does a R9 390 use?
What is the hashrate?
Should I consider buying an other R9 390? and if I do does my hash rate double? Should i upgrade my build?
Full build :
CPU: Intel - Core i5-4460 3.2GHz Quad-Core Processor
Motherboard: ASRock - H97 Anniversary ATX LGA1150 Motherboard
Memory: G.Skill - Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory
Storage: Samsung - 850 EVO-Series 250GB 2.5" Solid State Drive
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
Video Card: MSI - Radeon R9 390 8GB Video Card
Power Supply: EVGA - 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($99.08 @ DirectCanada)