Phone Comparison - Xiaomi Mi 4 vs Samsung Galaxy Alpha vs Samsung Galaxy Note 4

general General Info

Manufacturer Xiaomi Samsung Samsung
Announced July 2014 August 2014 September 2014
Status Available - Q3 2014 Available - September 2014 Available - October 2014
Colors Black, White Black, white, gold, silver, blue Frosted white, Charcoal black, Bronze Gold, Blossom Pink
Form Factor Candybar Candybar Candybar
Dimension 139.2 x 68.5 x 8.9 mm
(5.48 x 2.7 x 0.35 in)
132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
153.5 x 78.6 x 8.5 mm
(6.04 x 3.09 x 0.33 in)
Weight 149 g (5.26 oz) 115 g (4.06 oz) 176 g (6.21 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE LTE 800 / 850 / 900 / 1800 / 2100 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.3 (KitKat) Android OS, v4.4.4 (KitKat) Android OS, v4.4.4 (KitKat)
Processor Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 Quad-core 2.7 GHz Krait 450 (SM-N910S)
Quad-core 1.3 GHz Cortex-A53 & 1.9GHz quad-core Cortex-A57 (SM-N910C), Qualcomm Snapdragon 805 (SM-N910S)
Exynos 5433 (SM-N910C)
GPU Adreno 330 Mali-T628 MP6 Adreno 420 (SM-N910S)
Mali-T760 (SM-N910C)
RAM 3 GB 2 GB 3 GB
Internal Memory 16/64 GB 32 GB 32 GB
External Memory No No microSD, up to 64 GB

display Display

Type IPS LCD capacitive touchscreen Super AMOLED capacitive touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.7 inches 5.7 inches
Resolution 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (320 ppi) 1440 x 2560 pixels (515 ppi)
Screen-to-Body Ratio 72.14% 66.95% 74.32%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
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 12 MP, 4128 x 3096 pixels 16 MP, 3456 x 4608 pixels
Flash Dual-LED Flash LED flash LED Flash
Features Auto focus, 1/3' Sensor Size, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR Auto focus, Smart OIS, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, Panorama, HDR
Video 2160p, 1080p@30fps, HDR 2160p@30fps 2160p@30fps, 1080p@60fps, optical stabilization
Front Camera 8 MP, 1080p@30fps [Similar] 2.1 MP [Similar] 3.7 MP, 1080p@30fps [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; LTE HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL HSDPA, 42 Mbps; HSUPA; LTE, Cat4 (N910C), Cat6 (N910S), 50 Mbps UL, 300 Mbps (N910S), 150 Mbps (N910C) DL
Bluetooth v4.0, A2DP v4.0, A2DP, EDR, LE v4.1, A2DP, EDR, LE
Wi-Fi 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 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 microUSB v2.0 (MHL 2), USB Host
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Baidu
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/64 GB, 3 GB RAM 32 GB, 2 GB RAM 32 GB, 3 GB RAM
Expandable Storage No No microSD, up to 64 GB
USB OTG Supported - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint 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 supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 3080 mAh 1860 mAh 3220 mAh
Stand by - - -
Talk Time - - -