We can compare 13 features from the published specs. The Samsung HW-Q990H is ahead on 6, the Klipsch Flexus CORE 300 on 1, and 6 are ties. The biggest difference for movies is height: the Samsung HW-Q990H has 4 ceiling-firing channels and the Klipsch Flexus CORE 300 has 2. Only the Samsung HW-Q990H comes with a subwoofer, which matters when comparing the prices.