Samsung Galaxy A20 vs Samsung Galaxy A21 vs Samsung Galaxy A12

General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
March 2019	2020, April 8	2020, November 24
Status
Coming Soon - April 2019	Coming soon. Exp. release 2020, April	Coming Soon - January 2021
Price
-	-	Rs. 12,999 ($0.00) [Similarly Priced]
Colors
Blue, Black	Various	Black, White, Blue, Red
Form Factor
Candybar	Candybar	Candybar
Dimension
-	-	164 x 75.8 x 8.9 mm (6.46 x 2.98 x 0.35 in)
Weight
-	-	205 g (7.23 oz)
SIM Type
Single SIM (Nano-SIM), 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 (dual-SIM only)	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only)	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 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE	LTE	LTE (unspecified)
Messaging

Build Features
- Fingerprint Sensor	- Fingerprint Sensor Glass front, plastic back, plastic frame	- Fingerprint Sensor (side-mounted)

OS
Android 9.0 (Pie)	Android 10.0	Android 10
User Interface
-	One UI 2.0	-
Processor
Octa-core (2x1.6 GHz & 6x1.35 GHz), Exynos 7884 Octa	Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm)	Octa-core (2.3 GHz, 1.8 GHz),
GPU
-	PowerVR GE8320	-
RAM
3 GB	3 GB	4 GB
Internal Memory
32 GB	64 GB	128 GB
External Memory
microSD, up to 512 GB (dedicated slot)	microSDXC (dedicated slot)	microSDXC

Type
Super AMOLED Capacitive Touchscreen	HD+ Super AMOLED Capacitive Touchscreen	HD+ TFT display
Colors
16M colors	16M colors	16M Colour
Size
6.4 inches	6.5 inches	6.5 inches
Resolution
720 x 1560 pixels (268 ppi)	720 x 1600 pixels (270 ppi)	720 x 1560 pixels (264 ppi)
Screen-to-Body Ratio
-	-	83.64%
Multi-Touch

Rear Camera
13 MP + 5 MP	16 MP + 8 MP + 2 MP + 2 MP	48 MP + 5 MP + 2 MP + 2 MP
Flash
LED Flash	No	LED flash
Features
13 MP, f/1.9, 28mm (wide), AF 5 MP, f/2.2, depth sensor 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	48 MP, f/2.0, (wide), AF 5 MP, f/2.2, 115˚ (ultrawide) 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) panorama, HDR
Video
1080p@30fps	1080p@30fps	1080p@30fps
Front Camera
8 MP, f/2.0	13 MP HDR 1080p@30fps	8 MP, f/2.2 1080p@30fps

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

Internal
32 GB, 3 GB RAM	64 GB, 3 GB RAM eMMC 5.1	128 GB, 4 GB RAM or 64 GB, 4 GB RAM or 64 GB, 3 GB RAM or 32 GB, 3 GB RAM
Expandable Storage
microSD, up to 512 GB (dedicated slot)	microSDXC (dedicated slot)	microSDXC
USB OTG
Supported	Supported	Not 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	4000 mAh	5000 mAh
Stand by
-	-	-
Talk Time
-	-	-