Phone Comparison - Samsung Galaxy J7 Pro vs Samsung Galaxy A51 vs Samsung Galaxy A21s

Price Comparison (India) -

general General Info

Manufacturer Samsung Samsung Samsung
Announced June 2017 December 2019 Expected Announcement - May 2020
Status Available - July 2017 Coming Soon - December 12, 2019 Rumored
Price Rs. 20,900 ($325.00) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced] -
Colors Black, Gold Prism Crush White, Black, Pink, Blue Black, White, Blue
Form Factor Candybar Candybar Candybar
Dimension 152.4 x 74.7 x 7.9 mm
(6 x 2.94 x 0.31 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
8.9 mm thickness
(0.35 in thickness)
Weight - 172 g (6.07 oz) 191 g (6.74 oz)
SIM Type 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 - J710F, J710H
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - J710M
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J710F LTE (unspecified) LTE
Messaging SMS, MMS, EMail, IM
Build Features - - Fingerprint Sensor(In-display)
- Fingerprint Sensor
Notification LED Yes - -

hardware Hardware and OS

OS Android OS, v7.0 (Nougat) Android 9.0 (Pie) Android 10.0
User Interface Samsung Experience One UI One UI 2.0
Processor Octa-core 1.6 GHz Cortex-A53, Exynos 7870 Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core 2.0 GHz, Exynos 850
GPU Mali-T830 MP2 Mali-G72 MP3 -
RAM 3 GB 8 GB 3 GB
Internal Memory 64 GB 128 GB 64 GB
External Memory microSD, up to 256 GB microSD, up to 512 GB (dedicated slot) microSDXC

display Display

Type Super AMOLED capacitive touchscreen, 2.5D Gorilla Glass Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen PLS TFT Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 6.5 inches 6.55 inches
Resolution 1080 x 1920 pixels (401 ppi) 1080 x 2340 pixels (396 ppi) 720 x 1600 pixels (268 ppi)
Screen-to-Body Ratio 73.08% 89.06% -
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP 48 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 2 MP
Flash LED Flash LED Flash LED Flash
Features Autofocus, f/1.7, 28mm, Geo-tagging, Touch Focus, Face Detection, 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
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
Panorama, HDR
Video 1080p@30fps 2160p@30fps, 1080p@30fps 1080p@30fps
Front Camera 13 MP, f/1.9 [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE Cat4 150/50 Mbps HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth v4.1, A2DP 5.0, A2DP, LE 5.0, A2DP, LE
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 2.0, Type-C 1.0 reversible connector, USB On-The-Go Yes
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS
Browser HTML5 Yes Yes

memory User Memory

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

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Battery Charging 10W
Capacity 3600 mAh 4000 mAh 5000 mAh
Stand by - - -
Talk Time - - -