Phone Comparison - Samsung Galaxy Grand 2 vs Xiaomi Mi 4 vs Coolpad Dazen X7

general General Info

Manufacturer Samsung Xiaomi Coolpad
Announced November 2013 July 2014 June 2015
Status Available - Q4 2013 Available - Q3 2014 Available - June 2015
Price - - Rs. 17,999 ($264.69) [Similarly Priced]
Colors Black, White, Pink Black, White Gold, Titanium White
Form Factor Candybar Candybar Candybar
Dimension 146.8 x 75.3 x 8.9 mm
(5.78 x 2.96 x 0.35 in)
139.2 x 68.5 x 8.9 mm
(5.48 x 2.7 x 0.35 in)
146.6 x 73.6 x 6.45 mm
(5.77 x 2.9 x 0.25 in)
Weight 163 g (5.75 oz) 149 g (5.26 oz) 141 g (4.97 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SM-G7100
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G7102
GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - SM-G7105 LTE LTE 1800 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.3 (Jelly Bean) Android OS, v4.4.3 (KitKat) Android OS, v4.4.2 (KitKat)
Processor Quad-core 1.2 GHz Cortex-A7 Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 1.7 GHz Octa-core - 4x Cortex-17 + 4x Cortex-A7, MediaTek MT6595
GPU - Adreno 330 PowerVR 6200
RAM 1.5 GB 3 GB 2 GB
Internal Memory 8 GB 16/64 GB 16 GB ROM
External Memory microSD, up to 64 GB No microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen IPS LCD capacitive touchscreen AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 5.25 inches 5.0 inches 5.2 inches
Resolution 720 x 1280 pixels (280 ppi) 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (424 ppi)
Screen-to-Body Ratio 68.61% 72.14% 68.97%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM Radio with Recording FM radio FM Radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash Dual-LED Flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, 1/3' Sensor Size, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Sony IMX214 CMOS Sensor, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Panoramaony IMX214 CMOS Sensor, LARGAN 5P Lens, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video Yes, 1080p@30fps, stereo sound rec. 2160p, 1080p@30fps, HDR 1080p@30fps
Front Camera Yes, 1.9 MP, 720p [Similar] 8 MP, 1080p@30fps [Similar] 5 MP, Auto focus, LED Flash [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP, LE, EDR v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, DLNA 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
USB Yes, microUSB v2.0 microUSB v2.0 (MHL), USB On-the-go microUSB v2.0 (MHL), USB On-the-go
GPS Yes, with A-GPS, support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou, QZSS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1.5 GB RAM 16/64 GB, 3 GB RAM 16 GB ROM, 2 GB RAM
Expandable Storage microSD, up to 64 GB No microSD, up to 32 GB
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 not supported NFC supported NFC not supported

battery Battery

Type Li-Ion Battery Non-removable Li-Ion Battery Li-Ion Battery
Capacity 2600 mAh 3080 mAh 2700 mAh
Stand by - - Up to 150 h
Talk Time Up to 17 h - Up to 8 h