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Samsung I5510 Galaxy 551 vs Asus A1

2G Network GSM 850 / 900 / 1800 / 1900 850 / 900 / 1800 /1900
3G Network HSDPA 900 / 2100 850 / 900 / 1800 /1900
Available Yes
Sim Type Dual SIM
Weight 117 g Not disclosed
Display Type TFT capacitive touchscreen, 16M colors HD LCD Display
Display Size 240 x 400 pixels, 3.2 inches - - QWERTY keyboard - Accelerometer sensor for UI auto-rotate - Touch 5" HD LCD Display
Memory 4 GB, microSD up to 32 GB
RAM 1 GB
GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps Yes
EDGE Class 12 Yes
3G HSDPA, 7.2 Mbps; HSUPA Yes
WLAN Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11
Infrared No
BlueTooth Yes, v2.1 with A2DP Yes
USB Yes, v2.0 microUSB Yes
GPS Yes
Front Camera 2 Mega Pixel
OS Android 4.2
Processor 1.2GHz Quad Core
Browser HTML HTML5
Radio Stereo FM radio with RDS Yes
Colors Black Black
Battery Standard battery, Li-Ion 1200 mAh 2000 mAh
StandBy Time Up to 520 h (2G) / Up to 370 h (3G)