Phone Comparison - Samsung Galaxy M31 vs Samsung Galaxy M21s vs Samsung Galaxy M42 5G

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced 2020, February 25 November 2020 2021, April 28
Status Available. Released 2020, March 5 Available - November 2020 Coming soon. Exp. release 2021, May 01
Price Rs. 14,999 ($0.00) [Similarly Priced] - Rs. 21,999 ($0.00) [Similarly Priced]
Colors Ocean Blue, Space Black, Red Blue, Black Prism Dot Black, Prism Dot White, Prism Dot Gray
Form Factor Candybar Candybar Candybar
Dimension 159.2 x 75.1 x 8.9 mm
(6.27 x 2.96 x 0.35 in)
159.2 x 75.1 x 8.9 mm
(6.27 x 2.96 x 0.35 in)
164.4 x 75.9 x 8.6 mm
(6.47 x 2.99 x 0.34 in)
Weight 191 g (6.74 oz) 191 g (6.74 oz) 190 g (6.7 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 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 / 1700(AWS) / 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), 38(2600), 40(2300), 41(2500) LTE LTE
5G Network - - SA/NSA
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor
- Fingerprint Sensor (under display, optical)

hardware Hardware and OS

OS Android 10.0 Android 10 Android 11
User Interface One UI 2.0 One UI 2.5 One UI 3.1
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570), Qualcomm SM7225 Snapdragon 750 5G (8 nm)
GPU Mali-G72 MP3 Mali-G72 MP3 Adreno 619
RAM 6 GB 4 GB 8 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSD, up to 512 GB microSDXC microSDXC

display Display

Type Full HD+ Infinity-U Super AMOLED Capacitive Touchscreen Super AMOLED Screen, 420 nits (typ), Corning Gorilla Glass 3 HD+ Super AMOLED capacitive touchscreen
Colors 16M colors 16M Colour 16M Colour
Size 6.4 inches 6.4 inches 6.6 inches
Resolution 1080 x 2340 pixels (403 ppi) 1080 x 2340 pixels (403 ppi) 720 x 1600 pixels (266 ppi)
Screen-to-Body Ratio 83.97% 83.97% 84.18%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 64 MP + 8 MP + 5 MP + 5 MP 64 MP + 8 MP + 5 MP 48 MP + 8 MP + 5 MP + 5 MP
Flash LED Flash LED Flash LED Flash
Features 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.2, 25mm (macro), 1/5.0", 1.12µm
5 MP, f/2.2, (depth)
HDR, Panorama
64 MP, (wide), PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
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@30fps, gyro-EIS 4K@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30fps, 720p@480fps
Front Camera 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
32 MP, f/2.4, (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 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 Type-C 2.0 2.0, Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 4 GB RAM or 64 GB, 4 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 microSDXC microSDXC
USB OTG Yes Not 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 not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 6000 mAh 6000 mAh 5000 mAh
Stand by - - -
Talk Time - - -