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

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced December 2012 November 2013 March 2014
Status Available - January 2013 Available - Q4 2013 Available - March 2014
Colors Black, White Black, White, Pink Various
Form Factor Candybar Candybar Candybar
Dimension 143.5 x 76.9 x 9.6 mm
(5.65 x 3.03 x 0.38 in)
146.8 x 75.3 x 8.9 mm
(5.78 x 2.96 x 0.35 in)
154 x 78.7 x 9.45 mm
(6.06 x 3.1 x 0.37 in)
Weight 162 g (5.71 oz) 163 g (5.75 oz) 199 g (7.02 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SM-G7100
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G7102
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 850 / 900 / 1900 / 2100 HSDPA 1900 / 2100
4G Network - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - SM-G7105 -
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1.2 GHz Cortex-A9, Broadcom Quad-core 1.2 GHz Cortex-A7 Octa-core 1.4 GHz Cortex-A7 / Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592
GPU Broadcom VideoCore IV - Mali-450MP4
RAM 1 GB 1.5 GB 1/2 GB
Internal Memory 8 GB 8 GB 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 5.25 inches 5.5 inches
Resolution 480 x 800 pixels (187 ppi) 720 x 1280 pixels (280 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 64.20% 68.61% 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 8 MP, 3264x2448 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 1080p@30fps Yes, 1080p@30fps, stereo sound rec. 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 1.9 MP, 720p [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA+
Bluetooth Yes, v4.0 with A2DP, LE, EDR Yes, v4.0 with A2DP, LE, EDR v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, DLNA Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS, support and GLONASS Yes, with A-GPS, support and GLONASS Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 8 GB, 1.5 GB RAM 8 GB, 1/2 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 not supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Po Battery
Capacity 2100 mAh 2600 mAh 3100 mAh
Stand by Up to 440 h - -
Talk Time Up to 10 h 10 min Up to 17 h -