Acer Iconia One 7 (B1 730 HD) is 7 inch device running on Android OS, 4.2 (Jelly Bean), upgrade to 4.4 (KitKat) OS and powered by dual-core processor along with 1 GB RAM. It is equipped with dual camera. It is available for $ 129.99 at Acer shop in US.
Sony Xperia C3 has 5.5 inch HD display, running on latest Android KitKat OS and powered by Qualcomm Quad-core processor with 1 GB RAM. It is available for price tag of $520 in US and ?320 in UK. It is available in China For Yuan 1999.