Xiaomi Redmi 2 Prime vs LAVA Iris X1 Mini vs Samsung Galaxy S Duos 3

BASIC INFO
Model No - - Galaxy S Duos 3
Status Discontinued Discontinued Discontinued
Release Date 2015, January 2015, February 2014, August
Dimension 134 x 67 x 9 mm (5.28 x 2.64 x 0.35 in) 123.5 x 63.4 x 9 mm (4.86 x 2.50 x 0.35 in) 121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in)
Weight - 116 g (4.09 oz) 120 g (4.23 oz)
Colors Various Black, Blue, Red White, Black, La Fleur
Body Metrial - - -
W & D Proof - - -
SIM Type - - Dual SIM (Micro-SIM, dual stand-by)
Technology - - GSM/HSPA
OS Android OS, v5.1 (Lollypop) Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat)
PROSESSING
Processor Quad-core 1.2 GHz Cortex-A53 Quad-core 1.2 GHz Cortex-A7 Spreadtrum 7731 Dual-core 1.2 GHz Cortex-A7
Chipset - - Mediatake
GPU - - -
MEMORY
RAM - - 512MB
Storage - - 4GB
Card Slot 16 GB storage,2 GB RAM, microSD, up to 32 GB 4GB Storage, 512MB RAM, microSD, up to 32 GB microSD, up to 32 GB
DISPLAY
Size 720 x 1280 pixels, 4.7 inches (~267 ppi pixel density) 480 x 800 pixels, 5 inches (~233 ppi pixel density) 4.0 inches
Type IPS LCD capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors TFT capacitive touchscreen, 16M colors
Resolation - - 480 x 800 pixels,
PPI - - 233 ppi pixel density
Multi touch - - Yes
Protection - - -
CAMERA
Primary 8 MP, 3264 x 2448 pixels, autofocus, LED flash 5 MP, 2560 x 1920 pixels, autofocus, LED flash 5 MP, autofocus, LED flash
Video Yes, 1080p@30fps Yes, 720p@30fps 720p@30fps
Flash - - -
Features - - Geo-tagging
Selfie 2 MP, 720p Yes, VGA VGA
BATTERY
Battery Li-Po 2200 mAh battery Li-Ion 1750 mAh battery Li-Ion battery
Capacity - - 1500 mAh
Removable - - Removable
StandBy - - -
Talk Time - - -
Music Play - - -
Browsing - - HTML5
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 900 / 2100
4G Network LTE 1800 / 2100 TD-LTE 2500 (Bands 1, 3, 41) - -
Speed - - HSPA 21.1/5.76 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
BlueTooth Yes, v4.0 with A2DP v2.1 v4.0, A2DP
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, A-GPS Yes, with A-GPS support
NFC - - -
Audio jeck - - 3.5 mm
OTHERS
Sensors - - Accelerometer, proximity
Radio TBD FM radio with RDS FM radio
SARUS - - 1.07 W/kg (head) 1.07 W/kg (body)
SAREU - - 0.53 W/kg (head) 0.55 W/kg (body)
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