Phone Comparison - Samsung Galaxy M20 vs Samsung Galaxy M21s vs Samsung Galaxy A02s

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced January 2019 November 2020 2020, November 24
Status Available - February 2019 Available - November 2020 Coming Soon - Februrary 2021
Price Rs. 10,999 ($0.00) [Similarly Priced] - -
Colors Ocean Blue, Charcoal Black Blue, Black Black, White
Form Factor Candybar Candybar Candybar
Dimension 156.4 x 74.5 x 8.8 mm
(6.16 x 2.93 x 0.35 in)
159.2 x 75.1 x 8.9 mm
(6.27 x 2.96 x 0.35 in)
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Weight 186 g (6.56 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 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 / 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 (unspecified)
SAR EU 0.25 W/kg (head)
1.59 W/kg (body)
- W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor
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hardware Hardware and OS

OS Android 8.1 (Oreo); Experience 9.5 Android 10 Android 10
User Interface - One UI 2.5 -
Processor Octa-core (2x1.8 GHz Kryo 260 Gold & 6x1.6 GHz Kryo 260 Silver), Exynos 7904 Octa (14 nm) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core 1.8 GHz Cortex-A53, Qualcomm SM4250 Snapdragon 450 (11 nm)
GPU Mali-G71 MP2 Mali-G72 MP3 Adreno 506
RAM 4 GB 4 GB 3 GB
Internal Memory 64 GB 128 GB 32 GB
External Memory microSD, up to 512 GB (dedicated slot) microSDXC microSDXC

display Display

Type PLS TFT Capacitive Touchscreen Super AMOLED Screen, 420 nits (typ), Corning Gorilla Glass 3 HD+ TFT Display
Colors 16M colors 16M Colour 16M Colour
Size 6.3 inches 6.4 inches 6.5 inches
Resolution 1080 x 2340 (409 ppi) 1080 x 2340 pixels (403 ppi) 720 x 1520 pixels (259 ppi)
Screen-to-Body Ratio 83.65% 83.97% -
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 13 MP + 5 MP 64 MP + 8 MP + 5 MP 13 MP + 2 MP + 2 MP
Flash LED Flash LED Flash LED Flash
Features 13 MP, f/1.9, 1/2.8", 1.12μm, PDAF
5 MP, f/2.2, 12mm (ultrawide), 1/6", 1.12μm
Panorama, HDR
64 MP, (wide), PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.2, (depth)
Panorama, HDR
13 MP, (wide), AF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
Video 1080p@30fps 4K@30fps, 1080p@30fps, gyro-EIS 1080p@30fps
Front Camera 8 MP, f/2.0, HDR, 1080p@30fps [Similar] 32 MP, f/2.4, (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
5 MP, f/2.2 [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE Yes
Wi-Fi Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Yes
USB 2.0, Type-C 1.0 reversible connector USB Type-C 2.0 microUSB 2.0
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes

memory User Memory

Internal 64 GB, 4 GB RAM or 32 GB, 3 GB RAM 128 GB, 4 GB RAM or 64 GB, 4 GB RAM 32 GB, 3 GB RAM
Expandable Storage microSD, up to 512 GB (dedicated slot) microSDXC microSDXC
USB OTG Supported Not Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor not present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor not 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 not supported NFC not supported NFC not supported

battery Battery

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