Phone Comparison - Xiaomi Redmi Note vs Xiaomi Redmi Note 4G vs Samsung Galaxy Alpha

general General Info

Manufacturer Xiaomi Xiaomi Samsung
Announced March 2014 August 2014 August 2014
Status Available - March 2014 Available - November 2014 Available - September 2014
Colors Various Black/White Black, white, gold, silver, blue
Form Factor Candybar Candybar Candybar
Dimension 154 x 78.7 x 9.45 mm
(6.06 x 3.1 x 0.37 in)
154 x 78.7 x 9.5 mm
(6.06 x 3.1 x 0.37 in)
132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
Weight 199 g (7.02 oz) 199 g (7.02 oz) 115 g (4.06 oz)
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 1900 / 2100 TD-SCDMA 1900 / 2000 HSDPA 850 / 900 / 1900 / 2100
4G Network - TD-LTE 1900 / 2300 / 2600 LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean) Android OS, v4.4.4 (KitKat)
Processor Octa-core 1.4 GHz Cortex-A7 / Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592 Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430
GPU Mali-450MP4 Adreno 305 Mali-T628 MP6
RAM 1/2 GB 2 GB 2 GB
Internal Memory 8 GB 8 GB 32 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB No

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.5 inches 4.7 inches
Resolution 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (320 ppi)
Screen-to-Body Ratio 68.82% 68.82% 66.95%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM Radio FM radio No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels 12 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR
Video 1080p@30fps 1080p@30fps 2160p@30fps
Front Camera 5 MP [Similar] 5 MP [Similar] 2.1 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ TD-SCDMA; LTE HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL
Bluetooth v4.0, A2DP, LE v4.0, A2DP, LE v4.0, A2DP, EDR, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot
USB microUSB v2.0, USB On-the-go microUSB v2.0, USB On-the-go microUSB v2.0
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1/2 GB RAM 8 GB, 2 GB RAM 32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB No
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 not supported NFC not supported NFC supported

battery Battery

Type Li-Po Battery Li-Po Battery Li-Ion Battery
Capacity 3100 mAh 3200 mAh 1860 mAh
Stand by - Up to 775 h (3G) -
Talk Time - Up to 38 h (2G)
Up to 14 h (3G)
-