Phone Comparison - Samsung Galaxy J7 vs Samsung Galaxy S7 vs Xiaomi Redmi 3S Prime

Price Comparison (India)

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced June 2015 February 2016 August 2016
Status Available - June 2015 Available - March 2016 Available - August 2016
Price Rs. 13,400 ($197.06) [Similarly Priced] Rs. 43,400 ($638.24) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors White, Black Black, Gold, Silver Dark Gray, Silver, Gold
Form Factor Candybar Candybar Candybar
Dimension 152.4 x 78.6 x 7.5 mm
(6 x 3.09 x 0.3 in)
142.4 x 69.6 x 7.9 mm
(5.61 x 2.74 x 0.31 in)
139.3 x 69.6 x 8.5 mm
(5.48 x 2.74 x 0.33 in)
Weight 171 g (6.03 oz) 152 g (5.36 oz) 144 g (5.08 oz)
SIM Type - Single SIM (Nano-SIM), Dual SIM (Nano-SIM, Dual Stand-by) Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700 / 1900 / 2100
HSDPA 850 / 1900 / 2100
4G Network LTE LTE LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - Heart rate sensor
- Fingerprint sensor
- IP68 certified - dust and water resistant
- Water resistant up to 1 meter and 30 minutes
- Fingerprint Sensor
- Metal Body

hardware Hardware and OS

OS Android OS, v5.1 (Lollipop) Android OS, v6.0 (Marshmallow) Android OS, v6.0.1 (Marshmallow)
User Interface - TouchWiz UI -
Processor Octa-core 1.2 GHz, Exynos 7580 Quad-core (2x 2.15 GHz Kryo & 2x 1.6 GHz Kryo)/ Octa-core (4x2.3 GHz Mongoose & 4x1.6 GHz Cortex-A53) , Qualcomm MSM8996 Snapdragon 820/ Exynos 8 Octa 8890 Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8937 Snapdragon 430
GPU Mali-T720 Adreno 530/ Mali-T880 MP12 Adreno 505
RAM 1.5 GB 4 GB 3 GB
Internal Memory 16 GB 32/64 GB 32 GB
External Memory microSD, up to 128 GB microSD, up to 2 TB microSD, up to 128 GB (uses SIM 2 slot)

display Display

Type Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5, Always-on display IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.1 inches 5.0 inches
Resolution 720 x 1280 pixels (267 ppi) 1440 x 2560 pixels (576 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 69.63% 72.33% 70.95%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio with RDS; recording - FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels Dual Pixel 12 MP, 4608 x 2592 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash Dual-LED (Dual Tone) LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Beauty Face, Continuous Shots, Sensor Size: 1/3.06-inch, F1.9, Interval Shot, Panorama, Sports Mode, Sound and Shot Mode Phase Detection Autofocus, f/1.7, 1/2.6' Sensor Size, 1 µm Pixel Size,Smart Optical Image Stablization, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama Phase Detection Autofocus, f/2.0, 5P Lens, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama
Video 1080p@30fps 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. 1080p@30fps
Front Camera 5 MP [Similar] 5 MP, f/1.7, Dual Video Call, Auto HDR [Similar] 5 MP, f/2.2, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat9 450/50 Mbps HSPA, LTE, EV-DO Rev.A 3.1 Mbps
Bluetooth v4.1, A2DP v4.2, A2DP, LE, apt-X v4.1, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB microUSB v2.0 microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 1.5 GB RAM 32/64 GB, 4 GB RAM 32 GB, 3 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 2 TB microSD, up to 128 GB (uses SIM 2 slot)
USB OTG - Supported -

Apps Sensors

Fingerprint fingerprint not supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Barometer Sensor barometer sensor barometer sensor present barometer sensor
Heart-rate Sensor heart rate sensor heart rate sensor present heart rate sensor
NFC NFC not supported NFC supported NFC not supported

battery Battery

Type Li-Ion Battery Non-removable Li-Po Battery Non-removable Li-Ion Battery
Capacity 3000 mAh 3000 mAh 4100 mAh
Stand by Up to 354 h - -
Talk Time Up to 18 h (3G) - -