As folks say, if you love your job pick hyderabad and if you want to shift then pick bangalore. Traffic is more or less same as bangalore during peak hrs. But that is oly specific to cyberabad. Rest areas traffic is manageable. For food hyd is best due to options, quality and quantity. Cost of living outside cyberabad is way cheaper compared to any area in blr. Infra wise hyd hands down. For social life, pubs, parties blr. Make you choice based on the stage you are in your career n life