Lenovo
Lenovo A820

Lenovo
Lenovo A830

Features
Accelerometer, proximity
Accelerometer, proximity
Accelerometer, proximity
Memory
microSD, up to 32 GB (dedicated slot), 4 GB, 512 MB RAM
microSD, up to 32 GB (dedicated slot), 4 GB, 1 GB RAM
microSD, up to 64 GB (dedicated slot), 4 GB, 1 GB RAM
Display
TFT capacitive touchscreen, 16M colors, 480 x 800 pixels, 5:3 ratio (~233 ppi density), 4.0 inches, 45.5 cm2 (~55.0% screen-to-body ratio)
IPS LCD capacitive touchscreen, 16M colors, 540 x 960 pixels, 16:9 ratio (~245 ppi density), 4.5 inches, 55.8 cm2 (~60.6% screen-to-body ratio)
IPS LCD capacitive touchscreen, 16M colors, 540 x 960 pixels, 16:9 ratio (~220 ppi density), 5.0 inches, 68.9 cm2 (~64.2% screen-to-body ratio)
Battery
Removable Li-Ion 2000 mAh battery
Removable Li-Ion 2000 mAh battery
Removable Li-Ion 2250 mAh battery
Main Camera
720p, 5 MP, AF
720p, 8 MP, AF
LED flash, 720p, 8 MP, AF