Phone Comparison - Xiaomi Redmi Note 4G vs Samsung Galaxy Alpha vs Sony Xperia Z3 Compact

general General Info

Manufacturer Xiaomi Samsung Sony
Announced August 2014 August 2014 September 2014
Status Available - November 2014 Available - September 2014 Available - September 2014
Colors Black/White Black, white, gold, silver, blue Black, White, Green, Orange
Form Factor Candybar Candybar Candybar
Dimension 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)
127.3 x 64.9 x 8.6 mm
(5.01 x 2.56 x 0.34 in)
Weight 199 g (7.02 oz) 115 g (4.06 oz) 129 g (4.55 oz)
2G Network GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network TD-SCDMA 1900 / 2000 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 - D5803
HSDPA 850 / 900 / 1900 / 2100 - D5833
4G Network TD-LTE 1900 / 2300 / 2600 LTE LTE 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - - IP68 Certified - Dust Proof and Water Resistant over 1 Meter and 30 Minutes

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.4.4 (KitKat) Android OS, v4.4.4 (KitKat)
Processor 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 Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801
GPU Adreno 305 Mali-T628 MP6 Adreno 330
RAM 2 GB 2 GB 2 GB
Internal Memory 8 GB 32 GB 16 GB
External Memory microSD, up to 64 GB No microSD, up to 64 GB

display Display

Type IPS LCD capacitive touchscreen Super AMOLED capacitive touchscreen IPS LCD Capacitive Touchscreen, Triluminos Display, X-Reality Engine
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 4.7 inches 4.6 inches
Resolution 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (320 ppi) 720 x 1280 pixels (319 ppi)
Screen-to-Body Ratio 68.82% 66.95% 70.72%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 12 MP, 4128 x 3096 pixels 20.7 MP, 5248 х 3936 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, Panorama, HDR Auto focus, 1/2.3' Sensor Size, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR, Panorama
Video 1080p@30fps 2160p@30fps 2160p@30fps, 1080p@30fps, HDR
Front Camera 5 MP [Similar] 2.1 MP [Similar] 2.2 MP, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Up to 107 kbps
Edge Yes Yes Up to 296 kbps
3G TD-SCDMA; LTE HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth v4.0, A2DP, LE v4.0, A2DP, EDR, LE v4.0, A2DP
Wi-Fi 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 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 microUSB v2.0 (MHL), USB On-the-go, USB Host
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

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

battery Battery

Type Li-Po Battery Li-Ion Battery Non-removable Li-Ion Battery
Capacity 3200 mAh 1860 mAh 2600 mAh
Stand by Up to 775 h (3G) - Up to 880 h (2G)
Up to 920 h (3G)
Talk Time Up to 38 h (2G)
Up to 14 h (3G)
- Up to 12 h (2G)
Up to 14 h (3G)