Phone Comparison - Xiaomi Mi 3 vs Samsung Galaxy Alpha vs Samsung Galaxy A7

general General Info

Manufacturer Xiaomi Samsung Samsung
Announced September 2013 August 2014 Expected Announcement - December 2014
Status Available - December 2013 Available - September 2014 Rumored - January 2015
Price - - Rs. 19,499 ($286.75) [Similarly Priced]
Colors Various Black, white, gold, silver, blue Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B
Form Factor Candybar Candybar Candybar
Dimension 144 x 73.6 x 8.1 mm
(5.67 x 2.9 x 0.32 in)
132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
150.9 x 75.9 x 6.3 mm
(5.94 x 2.99 x 0.25 in)
Weight 145 g (5.11 oz) 115 g (4.06 oz) 133 g (4.69 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - SM-A700*/DS
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
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 (KitKat) optimized with MIUI version 5 Android OS, v4.4.4 (KitKat) Android OS, v4.4.4 (KitKat)
Processor Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 330 Mali-T628 MP6 Adreno 405
RAM 2 GB 2 GB 2 GB
Internal Memory 16/64 GB 32 GB 16 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
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.7 inches 5.5 inches
Resolution 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (320 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 64.90% 66.95% 72.64%
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 12 MP, 4608 x 2592 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, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama
Video 1080p@30fps, HDR 2160p@30fps 1080p@30fps
Front Camera 2 MP, 1080p@30fps [Similar] 2.1 MP [Similar] 5 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 HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP v4.0, A2DP, EDR, 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 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB microUSB v2.0 (MHL), USB On-the-go microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/64 GB, 2 GB RAM 32 GB, 2 GB RAM 16 GB, 2 GB RAM
Expandable Storage No No microSD, up to 64 GB
USB OTG 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 not supported

battery Battery

Type Non-removable Li-Ion Battery Li-Ion Battery Non-removable Li-Ion battery
Capacity 3050 mAh 1860 mAh 2600 mAh
Stand by Up to 500 h - -
Talk Time Up to 4 h - -