Quad Core vs Dual Core vs Single Core - YouTube

1.Galaxy SII (GT-I9100) System Specifications :- OS Android OS, v2.3.4 (Gingerbread), v4.0.4 (Ice Cream Sandwich), upgradable to v4.1 (Jelly Bean) Chipset Exynos CPU Dual-core 1.2 GHz Cortex-A9 GPU Mali-400MP 2.Nexus 7 System Specifications :- OS Android

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