Samsung
Samsung Galaxy Ace S5830I
Samsung
Samsung I9003 Galaxy SL

Samsung
Samsung E2652W Champ Duos

Features
Accelerometer, proximity, compass
Accelerometer, proximity, compass, HTML, Adobe Flash, - MP4/DivX/WMV/H.264 player, - MP3/WAV/eAAC+/AC3/FLAC player, - Photo/video editor, - Document editor
WAP 2.0/xHTML, HTML, Yes, SMS, MMS, Email, Yes, MIDP 2.0, - SNS integration, - MP3/WMA/eAAC+ player, - MP4/H.263 player, - Organizer, - Voice memo, - Predictive text input
Memory
microSD, up to 32 GB (dedicated slot), 158 MB
microSD, up to 32 GB (dedicated slot), 4/16 GB, 478 MB RAM
50 MB, microSD, up to 16 GB (dedicated slot), Yes, 1000 contacts, Photocall
Display
Corning Gorilla Glass, TFT capacitive touchscreen, 16M colors, 320 x 480 pixels, 3:2 ratio (~165 ppi density), 3.5 inches, 36.5 cm2 (~54.2% screen-to-body ratio)
Corning Gorilla Glass, 480 x 800 pixels, 5:3 ratio (~233 ppi density), SC-LCD capacitive touchscreen, 16M colors, 4.0 inches, 45.5 cm2 (~57.3% screen-to-body ratio)
TFT resistive touchscreen, 256K colors, 240 x 320 pixels, 4:3 ratio (~154 ppi density), 2.6 inches, 20.9 cm2 (~38.2% screen-to-body ratio), TouchWiz Lite UI
Battery
Removable Li-Ion 1350 mAh battery, Up to 11 h (2G) / Up to 6 h 30 min (3G), Up to 640 h (2G) / Up to 420 h (3G)
Removable Li-Ion 1650 mAh battery, Up to 610 h (2G) / Up to 550 h (3G), Up to 15 h (2G) / Up to 7 h 30 min (3G)
Removable Li-Ion 1000 mAh battery, Up to 470 h, Up to 14 h 20 min
Main Camera
LED flash, Yes, 5 MP, AF
720p@30fps, 5 MP, AF
1.3 MP, QCIF@15fps