Sony Xperia ray vs Sony Xperia arc vs Samsung Galaxy Ace vs Lenovo A390 comparison

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key specs
Display3.30-inch4.20-inch3.50-inch4.00-inch
Processor1GHz1GHz832 MHz1GHz dual-core
Front CameraYesNoNoNo
Resolution480x854 pixels480x854 pixels320x480 pixels480x800 pixels
RAM512MB512MB-512MB
OSAndroid 2.3Android 2.3Android 2.3Android 4
Storage1GB1GB158MB4GB
Rear Camera8.1-megapixel8.1-megapixel5-megapixel5-megapixel
Battery Capacity1500mAh1500mAh1350mAh1500mAh
general
Alternate namesST18i, ST18aSony Ericsson Anzu, Sony Ericsson X12, LT15i, LT15aGT-S5830-
Release dateAugust 2011April 2011January 2011June 2013
Form factorBarBar-Bar
Dimensions (mm)111.00 x 53.00 x 9.40125.00 x 63.00 x 8.70112.40 x 59.90 x 11.50125.60 x 64.00 x 10.05
Weight (g)100.00117.00113.00131.00
Battery capacity (mAh)1500150013501500
Removable batteryYesYesYesYes
ColoursBlack, Gold, Pink, WhiteMidnight Blue, Misty Silver--
SAR value---0.61
display
Screen size (inches)3.304.203.504.00
TouchscreenYesYesYesYes
Resolution480x854 pixels480x854 pixels320x480 pixels480x800 pixels
Pixels per inch (PPI)297233-233
hardware
Processor1GHz1GHz832 MHz1GHz dual-core
Processor makeQualcomm Snapdragon MSM8255Qualcomm MSM8255-MTK 6577
RAM512MB512MB-512MB
Internal storage1GB1GB158MB4GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)32323232
camera
Rear camera8.1-megapixel8.1-megapixel5-megapixel5-megapixel
Rear flashYesLEDLED-
Front cameraYesNoNoNo
software
Operating systemAndroid 2.3Android 2.3Android 2.3Android 4
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 2.10Yes, v 2.10Yes, v 2.10Yes, v 3.00
NFCNoNoNoNo
InfraredNoNoNoNo
USB OTGNoNoNoNo
Headphones3.5mm3.5mm3.5mm3.5mm
FMYesYesYesYes
Number of SIMs1112
Wi-Fi standards supported---802.11 a/b/g/n
sim 1
SIM TypeRegularRegularRegularRegular
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTENoNoNoNo
sensors
Compass/ MagnetometerYesYesYesNo
Proximity sensorYesYesYesYes
AccelerometerYesYesYesNo
Ambient light sensorYesYesNoYes
GyroscopeNoNoNoNo
BarometerNoNoNoNo
Temperature sensorNoNoNoNo
sim 2
SIM Type---Regular
GSM/CDMA---GSM
3G---No
4G/ LTE---No