Phone Comparison - Samsung Galaxy Core 2 Duos vs Samsung Galaxy E7 vs Xiaomi Redmi 2A

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced June 2014 January 2015 March 2015
Status Available - July 2014 Available - Feburary 2015 Available - March 2015
Price - Rs. 17,400 ($255.88) [Similarly Priced] Rs. 5,999 ($88.22) [Similarly Priced]
Colors White, Black Black, White, Blue Black, White, Yellow, Pink, Green
Form Factor Candybar Candybar Candybar
Dimension 130.3 x 68 x 9.8 mm
(5.13 x 2.68 x 0.39 in)
151.4 x 77.2 x 7.3 mm
(5.96 x 3.04 x 0.29 in)
-
Weight 138 g (4.87 oz) 141 g (4.97 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
4G Network - - LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v4.4.4 (KitKat) Android OS, v4.4 (KitKat)
Processor Quad-core 1.2 GHz Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Quad-core 1.5 GHz, LCI L1860C
GPU - Adreno 306 Mali-T628 MP4
RAM 768 MB 2 GB 1 GB
Internal Memory 4 GB 16 GB 8 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen Super AMOLED capacitive touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 5.5 inches 4.7 inches
Resolution 480 x 800 pixels (207 ppi) 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 65.25% 71.36% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM Radio - FM Radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 13 MP, 4128 x 3096 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama Auto focus, f/2.2 Aperture, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama, BSI Sensor, Omnivision sensor
Video Yes 1080p@30fps Yes, 1080p
Front Camera Yes, VGA [Similar] 5 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 HSPA 42.2/5.76 Mbps HSPA, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Yes Wi-Fi 802.11 b/g/n, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML HTML5 HTML5

memory User Memory

Internal 4 GB, 768 MB RAM 16 GB, 2 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 128 GB 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 not supported NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Non-removable Li-Ion Battery Li-Po Battery
Capacity 2000 mAh 2950 mAh 2200 mAh
Stand by - - -
Talk Time - Up to 19 h (3G) -