Phone Comparison - Samsung Galaxy S III I747 vs Samsung Galaxy Ace 3 S7270 vs Xiaomi Redmi 2

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced June 2012 June 2013 January 2015
Status Available - July 2012 Available - Q3 2013 Available - January 2015
Price - - Rs. 5,999 ($88.22) [Similarly Priced]
Colors Pebble blue, Marble white Black, White Black, White, Yellow, Pink, Green
Form Factor Candybar Candybar Candybar
Dimension 136.6 x 70.6 x 8.6 mm
(5.38 x 2.78 x 0.34 in)
121.2 x 62.7 x 9.8 mm
(4.77 x 2.47 x 0.39 in)
134 x 67.2 x 9.4 mm
(5.28 x 2.65 x 0.37 in)
Weight 134 g (4.73 oz) 115 g (4.06 oz) 133 g (4.69 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
4G Network LTE 700 MHz Class 17 / 2100 - 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, v4.0 (Ice Cream Sandwich) Android OS, v4.2 (Jelly Bean) Android OS, v4.4 (KitKat)
Processor Dual-core 1.5 GHz, Qualcomm MSM8960 Snapdragon Dual-core 1 GHz Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU Adreno 225 - Adreno 306
RAM 2 GB 1 GB 1 GB
Internal Memory 16 GB storage 4 GB (1.77 GB user available) 8 GB
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type Super AMOLED capacitive touchscreen TFT capacitive touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.8 inches 4.0 inches 4.7 inches
Resolution 720 x 1280 pixels (306 ppi) 480 x 800 pixels (233 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 65.84% 60.05% 67.83%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio TBD 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 LED flash LED flash
Features Auto focus, Simultaneous HD Video And Image Recording, 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, 1.9 MP, 720p@30fps [Similar] Yes, VGA [Similar] 2 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA 14.4 Mbps, HSUPA 5.76 Mbps HSPA, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP, EDR Yes, v4.0 with A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, 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 (MHL), USB On-the-go 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 HTML, Adobe Flash HTML5 HTML5

memory User Memory

Internal 16 GB storage, 2 GB RAM 4 GB (1.77 GB user available), 1 GB 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
USB OTG Supported - -

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 supported NFC not 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 300 h (3G) - -
Talk Time Up to 8 h (2G)
Up to 8 h (3G)
- -