Phone Comparison - Samsung Galaxy J7 vs Lenovo K4 Note vs Oppo A57

Price Comparison (India) - -

general General Info

Manufacturer Samsung Lenovo Oppo
Announced June 2015 January 2016 November 2016
Status Available - June 2015 Available - January 2016 Available - January 2017
Price Rs. 13,400 ($197.06) [Similarly Priced] Rs. 10,999 ($161.75) [Similarly Priced] Rs. 14,990 ($240.00) [Similarly Priced]
Colors White, Black Black Gold, Rose Gold
Form Factor Candybar Candybar Candybar
Dimension 152.4 x 78.6 x 7.5 mm
(6 x 3.09 x 0.3 in)
153.6 x 76.5 x 9.15 mm
(6.05 x 3.01 x 0.36 in)
149.1 x 72.9 x 7.65 mm
(5.87 x 2.87 x 0.3 in)
Weight 171 g (6.03 oz) 158 g (5.57 oz) 147 g (5.19 oz)
SIM Type - - Dual-SIM
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO - A59m
3G Network HSDPA 900 / 2100 HSDPA 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail
Build Features - - Fingerprint Sensor
- Dual Front Speakers
- Fast Charging
- Fingerprint Sensor
- Metal Build
- 2.5D Curved Glass
Notification LED - - Yes

hardware Hardware and OS

OS Android OS, v5.1 (Lollipop) Android OS, v5.1 (Lollipop) Android OS, v6.0 (Marshmallow)
Processor Octa-core 1.2 GHz, Exynos 7580 Octa-core 1.3 GHz Cortex-A53, Mediatek MT6753 Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435
GPU Mali-T720 Mali-T720MP3 Adreno 505
RAM 1.5 GB 3 GB 3 GB
Internal Memory 16 GB 16 GB 32 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB microSD, up to 128 GB (uses SIM 2 slot)

display Display

Type Super AMOLED Capacitive Touchscreen Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.5 inches 5.2 inches
Resolution 720 x 1280 pixels (267 ppi) 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (282 ppi)
Screen-to-Body Ratio 69.63% 70.80% 68.79%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 13 MP, 4208 x 3120 pixels 13 MP
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 Auto focus, 1/3.06' Sensor Size, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 5 MP [Similar] 5 MP, 1080p [Similar] 16 MP [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 Cat4 150/50 Mbps HSPA, LTE, VoLTE
Bluetooth v4.1, A2DP v4.0, A2DP, LE v4.1, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, hotspot
USB microUSB v2.0 microUSB v2.0, USB Host, Fast Charge 2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 1.5 GB RAM 16 GB, 3 GB RAM 32 GB, 3 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 128 GB microSD, up to 128 GB (uses SIM 2 slot)
USB OTG - Supported 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
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 3300 mAh 2900 mAh
Stand by Up to 354 h Up to 265 h -
Talk Time Up to 18 h (3G) Up to 22 h -