Phone Comparison - Xiaomi Mi 3 vs Xiaomi Redmi Note vs Samsung Galaxy Alpha

general General Info

Manufacturer Xiaomi Xiaomi Samsung
Announced September 2013 March 2014 August 2014
Status Available - December 2013 Available - March 2014 Available - September 2014
Colors Various Various Black, white, gold, silver, blue
Form Factor Candybar Candybar Candybar
Dimension 144 x 73.6 x 8.1 mm
(5.67 x 2.9 x 0.32 in)
154 x 78.7 x 9.45 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 145 g (5.11 oz) 199 g (7.02 oz) 115 g (4.06 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - - LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4 (KitKat) optimized with MIUI version 5 Android OS, v4.2 (Jelly Bean) Android OS, v4.4.4 (KitKat)
Processor Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 Octa-core 1.4 GHz Cortex-A7 / Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592 Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430
GPU Adreno 330 Mali-450MP4 Mali-T628 MP6
RAM 2 GB 1/2 GB 2 GB
Internal Memory 16/64 GB 8 GB 32 GB
External Memory No microSD, up to 32 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 5.0 inches 5.5 inches 4.7 inches
Resolution 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (320 ppi)
Screen-to-Body Ratio 64.90% 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 dual-LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, 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, HDR 1080p@30fps 2160p@30fps
Front Camera 2 MP, 1080p@30fps [Similar] 5 MP [Similar] 2.1 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA+ HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL
Bluetooth v4.0, A2DP v4.0, A2DP, LE v4.0, A2DP, EDR, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot 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, DLNA, Wi-Fi hotspot
USB microUSB v2.0 (MHL), USB On-the-go microUSB v2.0, USB On-the-go microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/64 GB, 2 GB RAM 8 GB, 1/2 GB RAM 32 GB, 2 GB RAM
Expandable Storage No microSD, up to 32 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 supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Li-Po Battery Li-Ion Battery
Capacity 3050 mAh 3100 mAh 1860 mAh
Stand by Up to 500 h - -
Talk Time Up to 4 h - -