Phone Comparison - Lenovo S820 vs Samsung Galaxy J7 vs Samsung Galaxy A71

Price Comparison (India) - -

general General Info

Manufacturer Lenovo Samsung Samsung
Announced May 2013 June 2015 December 2019
Status Available - May 2013 Available - June 2015 Available. Released 2020, January
Price - Rs. 13,400 ($197.06) [Similarly Priced] Rs. 29,999 ($0.00) [Similarly Priced]
Colors Flamingo red White, Black Prism Crush White, Black, Pink, Blue
Form Factor Candybar Candybar Candybar
Dimension 139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
152.4 x 78.6 x 7.5 mm
(6 x 3.09 x 0.3 in)
163.6 x 76.0 x 7.7 mm
(6.44 x 2.99 x 0.3 in)
Weight 143 g (5.04 oz) 171 g (6.03 oz) 179 g (6.31 oz)
SIM Type - - Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network - LTE LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - - Fingerprint Sensor(In-display)

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v5.1 (Lollipop) Android 10.0
Processor Quad-core 1.2 GHz, MTK 6589W Octa-core 1.2 GHz, Exynos 7580 Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm)
GPU PowerVR SGX544 Mali-T720 Adreno 618
RAM 1 GB 1.5 GB 8 GB
Internal Memory 4 GB 16 GB 128 GB
External Memory microSD, up to 32 GB microSD, up to 128 GB microSD, up to 512 GB (dedicated slot)

display Display

Type IPS LCD capacitive touchscreen Super AMOLED Capacitive Touchscreen Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.5 inches 6.7 inches
Resolution 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (267 ppi) 1080 x 2400 pixels (393 ppi)
Screen-to-Body Ratio 62.82% 69.63% 87.08%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 12 MP, 4000 x 3000 pixels 13 MP, 4128 x 3096 pixels 64 MP + 12 MP + 5 MP + 5 MP
Flash LED flash LED flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection 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 64 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
Video Yes 1080p@30fps 2160p@30fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS
Front Camera Yes, 2 MP [Similar] 5 MP [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, HSUPA HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE-A
Bluetooth Yes, v3.0 with A2DP v4.1, A2DP 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band 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
USB Yes, microUSB v2.0 microUSB v2.0 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML HTML5 Yes

memory User Memory

Internal 4 GB, 1 GB RAM 16 GB, 1.5 GB RAM 128 GB, 8 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 128 GB microSD, up to 512 GB (dedicated slot)
USB OTG - - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not 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 not supported NFC not supported

battery Battery

Type Li-Po Battery Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 25W
Capacity 2000 mAh 3000 mAh 4000 mAh
Stand by Up to 140 h (2G)
Up to 140 h (3G)
Up to 354 h -
Talk Time Up to 22 h (2G)
Up to 10 h (3G)
Up to 18 h (3G) -