Samsung Galaxy A20 vs Samsung Galaxy M21 vs Samsung Galaxy A21

General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
March 2019	2020, March 18	2020, April 8
Status
Coming Soon - April 2019	Coming soon. Exp. release 2020, March 23	Coming soon. Exp. release 2020, April
Price
-	Rs. 12,999 ($0.00) [Similarly Priced]	-
Colors
Blue, Black	Midnight Blue, Raven Black	Various
Form Factor
Candybar	Candybar	Candybar
Dimension
-	159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in)	-
Weight
-	188 g (6.63 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 only)	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only)
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100
4G Network
LTE	LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)	LTE
Messaging

Build Features
- Fingerprint Sensor	- Fingerprint Sensor	- Fingerprint Sensor Glass front, plastic back, plastic frame

OS
Android 9.0 (Pie)	Android 10.0	Android 10.0
User Interface
-	One UI 2.0	One UI 2.0
Processor
Octa-core (2x1.6 GHz & 6x1.35 GHz), Exynos 7884 Octa	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm)	Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm)
GPU
-	Mali-G72 MP3	PowerVR GE8320
RAM
3 GB	6 GB	3 GB
Internal Memory
32 GB	128 GB	64 GB
External Memory
microSD, up to 512 GB (dedicated slot)	microSDXC (dedicated slot)	microSDXC (dedicated slot)

Type
Super AMOLED Capacitive Touchscreen	Super AMOLED Capacitive Touchscreen Corning Gorilla Glass 3 420 nits max brightness (advertised)	HD+ Super AMOLED Capacitive Touchscreen
Colors
16M colors	16M colors	16M colors
Size
6.4 inches	6.4 inches	6.5 inches
Resolution
720 x 1560 pixels (268 ppi)	1080 x 2340 pixels (403 ppi)	720 x 1600 pixels (270 ppi)
Screen-to-Body Ratio
-	84.07%	-
Multi-Touch

Rear Camera
13 MP + 5 MP	48 MP + 8 MP + 5 MP	16 MP + 8 MP + 2 MP + 2 MP
Flash
LED Flash	LED Flash	No
Features
13 MP, f/1.9, 28mm (wide), AF 5 MP, f/2.2, depth sensor 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/2.2, (depth) Panorama, HDR	16 MP, f/1.9, 28mm (wide), AF 8 MP, f/2.2, 12mm (ultrawide) 2 MP, (macro) 2 MP, (depth) panorama, HDR
Video
1080p@30fps	2160p@30fps, 1080p@30fps, gyro-EIS	1080p@30fps
Front Camera
8 MP, f/2.0	20 MP, f/2.0, (wide), 1/2.8", 1.0μm HDR 1080p@30fps	13 MP HDR 1080p@30fps

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA, LTE-A	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
4.2, A2DP, LE	5.0, A2DP, LE	5.0, A2DP, LE
Wi-Fi
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	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB
microUSB 2.0	2.0, Type-C 1.0 reversible connector	2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS, GLONASS, BDS
Browser
Yes	Yes	Yes

Internal
32 GB, 3 GB RAM	128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)	64 GB, 3 GB RAM eMMC 5.1
Expandable Storage
microSD, up to 512 GB (dedicated slot)	microSDXC (dedicated slot)	microSDXC (dedicated slot)
USB OTG
Supported	Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

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
4000 mAh	6000 mAh	4000 mAh
Stand by
-	-	-
Talk Time
-	-	-