Phone Comparison - Samsung Galaxy Note II N7100 vs Samsung Galaxy S Duos 2 S7582 vs Xiaomi Redmi Note 4G

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced August 2012 November 2013 August 2014
Status Available - September 2012 Available - November 2013 Available - November 2014
Colors Titanium Gray, Marble White White, Black Black/White
Form Factor Candybar Candybar Candybar
Dimension 151.1 x 80.5 x 9.4 mm
(5.95 x 3.17 x 0.37 in)
121.5 x 63.1 x 10.57 mm
(4.78 x 2.48 x 0.42 in)
154 x 78.7 x 9.5 mm
(6.06 x 3.1 x 0.37 in)
Weight 180 g (6.35 oz) 118 g (4.16 oz) 199 g (7.02 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 TD-SCDMA 1900 / 2000
4G Network LTE 700 MHz Class 17 / 2100 - TD-LTE 1900 / 2300 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.1 (Jelly Bean) Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Quad-core 1.6 GHz Cortex-A9, Exynos 4412 Quad Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400
GPU Mali-400MP Broadcom VideoCore IV Adreno 305
RAM 2 GB 768 MB 2 GB
Internal Memory 16/32/64 GB storage 4 GB (1.9 GB user available) 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type Super AMOLED capacitive touchscreen TFT Capacitive Touchscreen, PLS IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.55 inches 4.0 inches 5.5 inches
Resolution 720 x 1280 pixels (265 ppi) 480 x 800 pixels (233 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 69.61% 59.52% 68.82%
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, 2592х1944 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 Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 1080p@30fps Yes, 720p@30fps 1080p@30fps
Front Camera Yes, 1.9 MP [Similar] Yes, VGA [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; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 21 Mbps; HSUPA, 5.76 Mbps TD-SCDMA; LTE
Bluetooth Yes, v4.0 with A2DP, LE, EDR Yes, v4.0 with A2DP v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB (MHL) v2.0, USB Host support 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, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/32/64 GB storage, 2 GB RAM 4 GB (1.9 GB user available), 768 MB RAM 8 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 GB
USB OTG Supported - 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 Standard battery, Li-Ion Li-Po Battery
Capacity 3100 mAh 1500 mAh 3200 mAh
Stand by Up to 980 h (2G)
Up to 890 h (3G)
Up to 280 h (3G) Up to 775 h (3G)
Talk Time Up to 35 h (2G)
Up to 16 h (3G)
Up to 8 h (3G) Up to 38 h (2G)
Up to 14 h (3G)