31.8% more mAH battery than Zen Z77. More battery capacity reduces the need to charge your battery again. (1450 mAH, Li-ion vs. 1100 mAH, Li-ion)
38.0 grams Lighter than Zen Z77. light weight phone is easy to hold and can kept in your pocket for long time. (90 grams vs. 128 grams)
1.3 mm Thinner than Zen Z77. Slim mobile phone is easy to handle and looks gorgeous in hand. (115 x 60 x 12 mm vs. 111.5 x 60 x 13.30 mm)
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