Phone Comparison - Samsung Galaxy J7 (2018) vs Samsung Galaxy A20s vs Samsung Galaxy A51

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced June 2018 September 2019 December 2019
Status Coming Soon - July 2018 Coming Soon - October 2019 Coming Soon - December 12, 2019
Price Rs. 14,999 ($225.00) [Similarly Priced] Rs. 11,999 ($0.00) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced]
Colors Black Green, Black, Red Prism Crush White, Black, Pink, Blue
Form Factor Candybar Candybar Candybar
Dimension - 163.3 x 77.5 x 8 mm
(6.43 x 3.05 x 0.31 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
Weight - 183 g (6.46 oz) 172 g (6.07 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) 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 (dual-SIM model only) 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)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE (unspecified)
Messaging SMS, MMS, Push Mail, EMail, IM
Build Features - - Fingerprint Sensor
- Fingerprint Sensor(In-display)
Notification LED No - -

hardware Hardware and OS

OS Android 8.0 (Oreo) Android 9.0 (Pie) Android 9.0 (Pie)
User Interface Samsung Experience One UI One UI
Processor 1.4 GHz Quad-core, Exynos 7570 Octa-core 1.8 GHz Cortex-A53, Qualcomm SDM450 Snapdragon 450 (14 nm) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm)
GPU Mali-T720 MP1 Adreno 506 Mali-G72 MP3
RAM 2/3 GB 4 GB 8 GB
Internal Memory 16/32 GB 64 GB 128 GB
External Memory microSD, up to 256 GB microSD, up to 512 GB (dedicated slot) microSD, up to 512 GB (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen HD+ IPS LCD Capacitive Touchscreen Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 6.4 inches 6.5 inches
Resolution 720 x 1280 pixels (267 ppi) 720 x 1560 pixels (268 ppi) 1080 x 2340 pixels (396 ppi)
Screen-to-Body Ratio - 79.72% 89.06%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 3264 x 2448 pixels 13 MP + 8 MP + 5 MP 48 MP + 12 MP + 5 MP + 5 MP
Flash LED Flash LED Flash LED Flash
Features Autofocus, f/1.7, Geo-tagging, Touch Focus, Face Detection, HDR 13 MP, f/1.8, PDAF
8 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
Panorama, HDR
48 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 1080p@30fps 1080p@30fps 2160p@30fps, 1080p@30fps
Front Camera 13 MP, f/1.9 [Similar] 8 MP, f/2.0, 1/4", 1.12µm, 1080p@30fps [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 HSPA, 4G, LTE, VoLTE HSPA, LTE-A HSPA, LTE-A
Bluetooth Yes 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Yes 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 microUSB 2.0, USB On-The-Go microUSB 2.0 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 Yes Yes

memory User Memory

Internal 16/32 GB, 2/3 GB RAM 64 GB, 4 GB RAM or 32 GB, 3 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Storage microSD, up to 256 GB microSD, up to 512 GB (dedicated slot) microSD, up to 512 GB (dedicated slot)
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 not present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor present gyroscope sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Li-Ion battery Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3000 mAh 4000 mAh 4000 mAh
Stand by - - -
Talk Time - - -