Phone Comparison - Samsung Galaxy A71 vs Samsung Galaxy M51 vs Samsung Galaxy A42 5G

general General Info

Manufacturer Samsung Samsung Samsung
Announced December 2019 2020, August 31 2020, September 02
Status Available. Released 2020, January Coming soon. Exp. release 2020, September 11 Available. Released 2020, November 11
Price Rs. 29,999 ($0.00) [Similarly Priced] - -
Colors Prism Crush White, Black, Pink, Blue Blue; other colors Prism Dot Black, Prism Dot White, Prism Dot Gray
Form Factor Candybar Candybar Candybar
Dimension 163.6 x 76.0 x 7.7 mm
(6.44 x 2.99 x 0.3 in)
162.6 x 77.5 x 8.5 mm
(6.4 x 3.05 x 0.33 in)
164.4 x 75.9 x 8.6 mm
(6.47 x 2.99 x 0.34 in)
Weight 179 g (6.31 oz) - 193 g (6.81 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) 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 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network 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), 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 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 - - 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
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor (side-mounted)
- Fingerprint Sensor (under display, optical)

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 10, upgradable to Android 11, One UI 3.1
User Interface One UI 2.0 One UI 2.0 One UI 2.1
Processor Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570), Qualcomm SM7225 Snapdragon 750 5G (8 nm)
GPU Adreno 618 Adreno 618 Adreno 619
RAM 8 GB 6 GB 8 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSD, up to 512 GB (dedicated slot) microSDXC microSDXC

display Display

Type Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen FHD+ IPS LCD Capacitive Touchscreen
Corning Gorilla Glass 3
HD+ Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M Colour
Size 6.7 inches 6.5 inches 6.6 inches
Resolution 1080 x 2400 pixels (393 ppi) 1080 x 2340 pixels (396 ppi) 720 x 1600 pixels (266 ppi)
Screen-to-Body Ratio 87.08% 82.51% 84.18%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes no yes
Radio FM radio FM radio Unspecified
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 64 MP + 12 MP + 5 MP + 5 MP 64 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 5 MP + 5 MP
Flash LED Flash LED Flash LED Flash
Features 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
64 MP, f/2.0, 26mm (wide), 1/1.72", 0.8µm, PDAF
12 MP, f/2.2, (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 2160p@30fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS 4K@30fps, 1080p@30fps 4K@30fps, 1080p@30fps, 720p@480fps
Front Camera 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [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-A HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 400/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi 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 Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 8 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 512 GB (dedicated slot) microSDXC 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 present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
NFC NFC not supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 25W
Non-removable Li-Po Battery
Fast battery charging 25W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 4000 mAh 7000 mAh 5000 mAh
Stand by - - -
Talk Time - - -