Phone Comparison - Samsung Galaxy J7v vs Samsung Galaxy A51 5G UW vs Samsung Galaxy A42 5G

general General Info

Manufacturer Samsung Samsung Samsung
Announced July 2017 August 2020 2020, September 02
Status Available - July 2017 Available - August 2020 Available. Released 2020, November 11
Price Rs. 15,200 ($240.00) [Similarly Priced] - -
Colors Black, Silver Prism Bricks Blue Prism Dot Black, Prism Dot White, Prism Dot Gray
Form Factor Candybar Candybar Candybar
Dimension 151.4 x 76.2 x 8.6 mm
(5.96 x 3 x 0.34 in)
158.8 x 73.4 x 8.6 mm
(6.25 x 2.89 x 0.34 in)
164.4 x 75.9 x 8.6 mm
(6.47 x 2.99 x 0.34 in)
Weight 167.3 g (5.89.0.11 oz) 188.8 g (6.63.0.28 oz) 193 g (6.81 oz)
SIM Type Nano-SIM Pre-installed Nano-SIM 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 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
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J710F 2, 4, 5, 13, 66 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41 - Europe
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 34, 38, 39, 40, 41
5G Network - 260, 261 mmWave 1, 3, 5, 7, 8, 28, 40, 41, 78 SA/NSA/Sub6 - Europe
1, 3, 5, 7, 8, 28, 40, 41, 78, 79 SA/NSA/Sub6
SAR EU - W/kg (head)
- W/kg (body)
0.59 W/kg (head)
1.32 W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging SMS, MMS, EMail, IM
Build Features - - Fingerprint Sensor (under display, optical)
- Fingerprint Sensor (under display, optical)
Notification LED No - -

hardware Hardware and OS

OS Android OS, v7.0.1 (Nougat) Android 10 Android 10, upgradable to Android 11, One UI 3.1
User Interface - One UI 2.0 One UI 2.1
Processor Octa-core 2.2 GHz Cortex-A53 , Qualcomm MSM8953 Snapdragon 625 Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver), Qualcomm SDM765 Snapdragon 765G (7 nm) Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570), Qualcomm SM7225 Snapdragon 750 5G (8 nm)
GPU Adreno 506 Adreno 620 Adreno 619
RAM 2 GB 6 GB 8 GB
Internal Memory 16 GB 128 GB 128 GB
External Memory microSD, up to 128 GB microSDXC (uses shared SIM slot) microSDXC

display Display

Type IPS LCD Capacitive Touchscreen Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 3
HD+ Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M Colour
Size 5.5 inches 6.5 inches 6.6 inches
Resolution 720 x 1280 pixels (267 ppi) 1080 x 2400 pixels (405 ppi) 720 x 1600 pixels (266 ppi)
Screen-to-Body Ratio 72.29% 87.47% 84.18%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP 48 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 5 MP + 5 MP
Flash LED Flash LED flash LED Flash
Features Autofocus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth)
panorama, HDR
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (depth)
5 MP, f/2.4, (macro)
Panorama, HDR
Video 1080p@30fps 4K@30fps, 1080p@30/120fps; gyro-EIS 4K@30fps, 1080p@30fps, 720p@480fps
Front Camera 5 MP [Similar] 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth v4.1, A2DP 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n/ac, Wi-Fi Direct, 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, dual-band, Wi-Fi Direct, hotspot
USB microUSB v2.0 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 Yes Yes

memory User Memory

Internal 16 GB, 2 GB RAM 128 GB, 6 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM UFS 2.1
Expandable Storage microSD, up to 128 GB microSDXC (uses shared SIM slot) microSDXC
USB OTG Supported 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
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
NFC NFC supported NFC supported NFC supported

battery Battery

Type Removable Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3300 mAh 4500 mAh 5000 mAh
Stand by Up to 288 h - -
Talk Time Up to 40 h - -