    Sentence 1: Which is better Octa-core 1.7 GHz  Cortex-As3 Mediateh MT6752 or quad core  2.46 Qualcomm MSM897SAC Snapdragon 801  ?    Sentence 2: Which is better Octa-core 1.2 GHz  Cortex-A$3 - Quad-core 1.6 GHz Cartex-A7?