Phone Comparison - Samsung Galaxy Ace 2 vs Samsung S7710 Galaxy Xcover 2 vs Samsung Galaxy 551

general General Info

Manufacturer Samsung Samsung Samsung
Announced February 2012 January 2013 October 2010
Status Available - May 2012 Available - March 2013 Available - Q4 2010
Colors Black Gray Black
Form Factor Candybar Candybar Candybar
Dimension 118.3 x 62.2 x 10.5 mm
(4.66 x 2.45 x 0.41 in)
130.5 x 67.7 x 12 mm
(5.14 x 2.67 x 0.47 in)
111 x 55 x 15.2 mm
(4.37 x 2.17 x 0.6 in)
Weight 122 g (4.3 oz) 148.5 g (5.22.0.18 oz) 117 g (4.13 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 900 / 2100
HSDPA 850 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 Android OS, v4.1 (Jelly Bean) Android OS, v2.2 (Froyo), upgradable to v2.3.6 (Gingerbread)
Processor Dual-core 800 MHz, NovaThor U8500 Dual-core 1 GHz 600 MHz, Qualcomm MSM7227
GPU Mali-400MP - Adreno 200
RAM 768 MB 1 GB N/A
Internal Memory 4 GB storage 4 GB storage 160 MB
External Memory microSD, up to 32GB microSD, up to 32 GB microSD, up to 32 GB, 1 GB included

display Display

Type PLS TFT capacitive touchscreen Capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.8 inches 4.0 inches 3.2 inches
Resolution 480 x 800 pixels (246 ppi) 480 x 800 pixels (233 ppi) 240 x 400 pixels (146 ppi)
Screen-to-Body Ratio 55.64% 51.65% 47.59%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS - Stereo FM radio with RDS
Games Yes Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592x1944 pixels 5 MP, 2592х1944 pixels 3.15 MP, 2048x1536 pixels
Flash LED flash LED flash No
Features Auto focus, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging Auto focus,
Video Yes, 720p@30fps Yes, 720p Yes, QVGA@15fps
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Class 10 (4+1/3+2 slots), 32 - 48 kbps
Edge Yes Yes Class 12
3G HSDPA, 14.4 Mbps HSDPA, 14.4 Mbps; HSUPA, 5.76 Mbps HSDPA, 7.2 Mbps; HSUPA
Bluetooth Yes, v3.0 with A2DP Yes, v4.0 with A2DP Yes, v2.1 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot
USB Yes, v2.0 microUSB Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML HTML5 HTML

memory User Memory

Internal 4 GB storage, 768 MB RAM 4 GB storage, 1 GB RAM 160 MB
Expandable Storage microSD, up to 32GB microSD, up to 32 GB microSD, up to 32 GB, 1 GB included

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Battery Li-Ion Battery
Capacity 1500 mAh 1700 mAh 1200 mAh
Stand by Up to 670 h (2G)
Up to 640 h (3G)
Up to 570 h Up to 520 h (2G)
Up to 370 h (3G)
Talk Time Up to 16 h 20 min (2G)
Up to 7 h 30 min (3G)
- Up to 9 h (2G)
Up to 5 h (3G)