Phone Comparison - Samsung Galaxy Grand Duos I9082 vs Samsung Galaxy Ace Style vs Xiaomi Redmi 2

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced December 2012 April 2014 January 2015
Status Available - January 2013 Available - April 2014 Available - January 2015
Price - - Rs. 5,999 ($88.22) [Similarly Priced]
Colors Black, White Black, White Black, White, Yellow, Pink, Green
Form Factor Candybar Candybar Candybar
Dimension 143.5 x 76.9 x 9.6 mm
(5.65 x 3.03 x 0.38 in)
121.2 x 62.7 x 10.7 mm
(4.77 x 2.47 x 0.42 in)
134 x 67.2 x 9.4 mm
(5.28 x 2.65 x 0.37 in)
Weight 162 g (5.71 oz) 123 g (4.34 oz) 133 g (4.69 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 / 2100 - SIM 1 only
HSDPA 900 / 1900 / 2100 - SIM 1 only
HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
4G Network - - LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean) Android OS, v4.4.2 (KitKat) Android OS, v4.4 (KitKat)
Processor Dual-core 1.2 GHz Cortex-A9, Broadcom Dual-core 1.2 GHz Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU Broadcom VideoCore IV - Adreno 306
RAM 1 GB 512 MB 1 GB
Internal Memory 8 GB 4 GB ROM 8 GB
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type Capacitive touchscreen TFT capacitive touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.0 inches 4.7 inches
Resolution 480 x 800 pixels (187 ppi) 480 x 800 pixels (233 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 64.20% 60.05% 67.83%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 5 MP, 2592x1944 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash No LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Sound & Shot, Best Shot, Best Photo, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR
Video Yes, 1080p@30fps Yes, 720p@30fps Yes, 1080p
Front Camera Yes, 2 MP [Similar] Yes, VGA [Similar] 2 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA 14.4 Mbps, HSUPA 5.76 Mbps HSPA, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP, LE, EDR Yes, v4.0 with A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 4 GB ROM, 512 MB RAM 8 GB, 1 GB RAM / 16 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

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 supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Po Battery
Capacity 2100 mAh 1500 mAh 2200 mAh
Stand by Up to 440 h - -
Talk Time Up to 10 h 10 min - -