Phone Comparison - Xiaomi Mi 4 vs Samsung Galaxy Alpha vs Motorola Moto X (Gen 2)

general General Info

Manufacturer Xiaomi Samsung Motorola
Announced July 2014 August 2014 September 2014
Status Available - Q3 2014 Available - September 2014 Available - September 2014
Colors Black, White Black, white, gold, silver, blue Black, White
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)
140.8 x 72.4 x 9.97 mm
(5.54 x 2.85 x 0.39 in)
Weight 149 g (5.26 oz) 115 g (4.06 oz) 144 g (5.08 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - All Versions
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - for AT&T
HSDPA 850 / 900 / 1900 / 2100 - for Europe
HSDPA 850 / 900 / 1700 / 1900 / 2100 - for T-Mobile
4G Network LTE LTE -
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 2.5 GHz Krait 400, Qualcomm MSM8974-AC Snapdragon 801
GPU Adreno 330 Mali-T628 MP6 Adreno 330
RAM 3 GB 2 GB 2 GB
Internal Memory 16/64 GB 32 GB 16/32 GB
External Memory No No No

display Display

Type IPS LCD capacitive touchscreen Super AMOLED capacitive touchscreen AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.7 inches 5.2 inches
Resolution 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (320 ppi) 1080 x 1920 pixels (424 ppi)
Screen-to-Body Ratio 72.14% 66.95% 73.00%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio No 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 13 MP, 4128 x 3096 pixels
Flash Dual-LED Flash LED flash Dual-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, Geo-tagging, Face Detection, Image Stabilization, HDR
Video 2160p, 1080p@30fps, HDR 2160p@30fps Yes, 2160p@30fps, HDR
Front Camera 8 MP, 1080p@30fps [Similar] 2.1 MP [Similar] Yes, 2 MP, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
Edge Yes Yes Class 12
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, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL
Bluetooth v4.0, A2DP v4.0, A2DP, EDR, LE Yes, v4.0 with A2DP, 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, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot
USB microUSB v2.0 (MHL), USB On-the-go microUSB v2.0 Yes, microUSB v2.0 (MHL), USB Host
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/64 GB, 3 GB RAM 32 GB, 2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage No No 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 supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Li-Ion Battery Non-removable Li-Ion Battery
Capacity 3080 mAh 1860 mAh 2300 mAh
Stand by - - -
Talk Time - - -