Phone Comparison - Samsung Galaxy M21 vs Samsung Galaxy A02 vs Samsung Galaxy A03

general General Info

Manufacturer Samsung Samsung Samsung
Announced 2020, March 18 2021, January 27 November 2021
Status Coming soon. Exp. release 2020, March 23 Available. Released 2021, January 27 Available - January 2022
Price Rs. 12,999 ($0.00) [Similarly Priced] - Rs. 10,499 ($0.00) [Similarly Priced]
Colors Midnight Blue, Raven Black Black, Blue, Red Black, Blue, Red
Form Factor Candybar Candybar Candybar
Dimension 159 x 75.1 x 8.9 mm
(6.26 x 2.96 x 0.35 in)
164 x 75.9 x 9.1 mm
(6.46 x 2.99 x 0.36 in)
164.2 x 75.9 x 9.1 mm
(6.46 x 2.99 x 0.36 in)
Weight 188 g (6.63 oz) 206 g (7.27 oz) 196 g (6.91 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 / 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 band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900) 20(800), 28(700), 32(1500), 38(2600), 40(2300), 41(2500) 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
SAR EU - W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
0.20 W/kg (head)
1.35 W/kg (body)
Messaging
Build Features - Fingerprint Sensor
- -

hardware Hardware and OS

OS Android 10.0 Android 10 Android 11
User Interface One UI 2.0 One UI 2.5 -
Processor 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) Octa-core (2x1.6 GHz & 6x1.6 GHz)
GPU Mali-G72 MP3 Adreno 506 -
RAM 6 GB 2 GB 4 GB
Internal Memory 128 GB 32 GB 128 GB
External Memory microSDXC (dedicated slot) microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 3
420 nits max brightness (advertised)
PLS TFT Display HD+ PLS TFT
Colors 16M colors 16M Colour 16M Colors
Size 6.4 inches 6.5 inches 6.5 inches
Resolution 1080 x 2340 pixels (403 ppi) 720 x 1520 pixels (259 ppi) 720 x 1600 pixels (270 ppi)
Screen-to-Body Ratio 84.07% 84.56% 81.80%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 5 MP 13 MP + 2 MP 48 MP + 2 MP
Flash LED Flash LED Flash LED Flash
Features 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/2.2, (depth)
Panorama, HDR
13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, AF
2 MP, f/2.4, (depth)
48 MP, f/1.8, (wide), AF
2 MP, f/2.4, (depth)
Video 2160p@30fps, 1080p@30fps, gyro-EIS 1080p@30fps 1080p@30fps
Front Camera 20 MP, f/2.0, (wide), 1/2.8", 1.0μm
HDR
1080p@30fps [Similar]
8 MP, f/2.2, 1/4", 1.12µm [Similar] 5 MP, f/2.2 [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 Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth 5.0, A2DP, LE 4.2, 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 b/g/n, 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 microUSB 2.0 microUSB 2.0
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) 32 GB, 2 GB RAM 128 GB, 4 GB RAM or 64 GB, 4 GB RAM or 32 GB, 4 GB RAM or 32 GB, 3 GB RAM
Expandable Storage microSDXC (dedicated slot) microSDXC (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Not Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint not supported fingerprint not 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 not present magnetic field sensor not present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor not 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
Battery Charging 10W
Non-removable Li-Po Battery
Battery Charging 10W
Capacity 6000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -