Phone Comparison - Samsung Galaxy J7 Duo (2018) vs Samsung Galaxy A71 vs Samsung Galaxy S20 4G

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced April 2018 December 2019 2020, February 11
Status Available - April 2018 Available. Released 2020, January Coming soon. Exp. release 2020, March 6
Price Rs. 16,990 ($260.00) [Similarly Priced] Rs. 29,999 ($0.00) [Similarly Priced] Rs. 66,999 ($0.00) [Similarly Priced]
Colors Black, Gold Prism Crush White, Black, Pink, Blue Cosmic Grey, Cloud Blue, Cloud Pink
Form Factor Candybar Candybar Candybar
Dimension 153.5 x 77.2 x 8.1 mm
(6.04 x 3.04 x 0.32 in)
163.6 x 76.0 x 7.7 mm
(6.44 x 2.99 x 0.3 in)
151.7 x 69.1 x 7.9 mm
(5.97 x 2.72 x 0.31 in)
Weight - 179 g (6.31 oz) 163 g (5.75 oz)
SIM Type Dual-SIM Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) 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) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100)
Messaging SMS, MMS, EMail, IM
Build Features - 2.5D Curved Glass
- Fingerprint Sensor
- Fingerprint Sensor(In-display)
- Fingerprint Sensor(In-display)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Notification LED Yes - -

hardware Hardware and OS

OS Android OS, v8.0 (Oreo) Android 10.0 Android 10.0
User Interface - One UI 2.0 One UI 2.0
Processor 2.39 GHz Octa-core, Exynos 7870 Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (2x2.73 GHz Mongoose M5 & 2x2.60 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55), Exynos 990 (7 nm+)
GPU Mali-T830 MP2 Adreno 618 Mali-G77 MP11
RAM 4 GB 8 GB 8 GB
Internal Memory 32 GB 128 GB 128 GB
External Memory microSD, up to 256 GB microSD, up to 512 GB (dedicated slot) microSD, up to 1 TB

display Display

Type Super AMOLED capacitive touchscreen Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen Dynamic AMOLED Capacitive Touchscreen
Corning Gorilla Glass 6
HDR10+
Always-on display
120Hz
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 6.7 inches 6.2 inches
Resolution 720 x 1280 pixels (267 ppi) 1080 x 2400 pixels (393 ppi) 1440 x 3200 pixels (566 ppi)
Screen-to-Body Ratio 70.38% 87.08% 88.53%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes no
Radio FM radio, recording FM radio FM radio (USA & Canada only)
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera Dual 13 MP + 5 MP 64 MP + 12 MP + 5 MP + 5 MP 64 MP + 12 MP + 12 MP
Flash LED flash LED Flash LED flash
Features Auto focus, Live Focus, f/1.9 aperture main, f/1.9 aperture secondary, Geo-tagging, Touch Focus, Face Detection, Panorama 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
12 MP, (wide), Dual Pixel PDAF, OIS
64 MP, (telephoto), PDAF, OIS, 3x optical zoom
12 MP, (ultrawide), 1/1.26", 0.7µm, AF, Super Steady video
auto-HDR, panorama
Video 1080p@30fps 2160p@30fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS 4320p@24fps, 2160p@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS
Front Camera 8 MP, f/1.9 [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
10 MP, f/1.9, 26mm (wide), 1/3", 1.22µm, Dual Pixel PDAF
Dual video call, Auto-HDR
2160p@30fps, 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, VoLTE HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A (7CA) Cat20 2000/150 Mbps; 5G (2+ Gbps DL)
Bluetooth v4.2, A2DP, EDR, LE, ANT+ 5.0, A2DP, LE 5.0, A2DP, LE, aptX
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, hotspot
USB microUSB 2.0 2.0, Type-C 1.0 reversible connector, USB On-The-Go 3.2, Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser HTML5 Yes Yes

memory User Memory

Internal 32 GB, 4 GB RAM 128 GB, 8 GB RAM 128 GB, 8 GB RAM
Expandable Storage microSD, up to 256 GB microSD, up to 512 GB (dedicated slot) microSD, up to 1 TB
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint 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
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Barometer Sensor barometer sensor barometer sensor not present barometer sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 25W
Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Power bank/Reverse wireless charging 9W
Capacity 3000 mAh 4000 mAh 4000 mAh
Stand by - - -
Talk Time - - -