Phone Comparison - Samsung Galaxy Nexus vs Samsung Galaxy Alpha vs Xiaomi Redmi 2

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced October 2011 August 2014 January 2015
Status Available - November 2011 Available - September 2014 Available - January 2015
Price - - Rs. 5,999 ($88.22) [Similarly Priced]
Colors Black Black, white, gold, silver, blue Black, White, Yellow, Pink, Green
Form Factor Candybar Candybar Candybar
Dimension 135.5 x 67.9 x 8.9 mm
(5.33 x 2.67 x 0.35 in)
132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
134 x 67.2 x 9.4 mm
(5.28 x 2.65 x 0.37 in)
Weight 135 g (4.76 oz) 115 g (4.06 oz) 133 g (4.69 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
4G Network LTE 700 (region specific) LTE LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)
Messaging SMS, MMS, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.4.4 (KitKat) Android OS, v4.4 (KitKat)
Processor Dual-core 1.2GHz Cortex-A9 CPU, TI OMAP 4460 chipset Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU No Mali-T628 MP6 Adreno 306
RAM 1 GB 2 GB 1 GB
Internal Memory 16/32 GB storage 32 GB 8 GB
External Memory No No microSD, up to 32 GB

display Display

Type Super AMOLED capacitive touchscreen Super AMOLED capacitive touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.65 inches 4.7 inches 4.7 inches
Resolution 720 x 1280 pixels (316 ppi) 720 x 1280 pixels (320 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 64.72% 66.95% 67.83%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No No FM Radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592x1936 pixels 12 MP, 4128 x 3096 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Touch Focus, Geo-tagging, Face Detection Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR
Video Yes, 1080p@30fps 2160p@30fps Yes, 1080p
Front Camera Yes, 1.3 MP [Similar] 2.1 MP [Similar] 2 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL HSPA, LTE Cat4 150/50 Mbps
Bluetooth Yes, v3.0 with A2DP v4.0, A2DP, EDR, LE v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, 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 b/g/n, hotspot
USB Yes, v2.0 microUSB microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support, barometer sensor Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML HTML5 HTML5

memory User Memory

Internal 16/32GB storage, 1 GB RAM 32 GB, 2 GB RAM 8 GB, 1 GB RAM / 16 GB, 2 GB RAM
Expandable Storage No No microSD, up to 32 GB

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 Standard battery, Li-Ion Li-Ion Battery Li-Po Battery
Capacity 1750 mAh 1860 mAh 2200 mAh
Stand by Up to 290 h (2G)
Up to 270 h (3G)
- -
Talk Time Up to 17 h 40 min (2G)
Up to 8 h 20 min (3G)
- -