Samsung Galaxy A20e vs Samsung Galaxy A21s vs Samsung Galaxy A02s

General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
April 2019	Expected Announcement - May 2020	2020, November 24
Status
Coming Soon - April 2019	Rumored	Coming Soon - Februrary 2021
Colors
Black, White	Black, White, Blue	Black, White
Form Factor
Candybar	Candybar	Candybar
Dimension
-	8.9 mm thickness (0.35 in thickness)	-
Weight
-	191 g (6.74 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 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 / 1900 / 2100	HSDPA 850 / 900 / 2100
4G Network
LTE	LTE	LTE (unspecified)
Messaging

Build Features
- Fingerprint Sensor	- Fingerprint Sensor	-

OS
Android 9.0 (Pie)	Android 10.0	Android 10
User Interface
One UI	One UI 2.0	-
Processor
Octa-core (2x1.6 GHz & 6x1.35 GHz), Exynos 7884	Octa-core 2.0 GHz, Exynos 850	Octa-core 1.8 GHz Cortex-A53, Qualcomm SM4250 Snapdragon 450 (11 nm)
GPU
Mali-G71	-	Adreno 506
RAM
3 GB	3 GB	3 GB
Internal Memory
32 GB	64 GB	32 GB
External Memory
microSD, up to 512 GB (dedicated slot)	microSDXC	microSDXC

Type
IPS LCD Capacitive Touchscreen	PLS TFT Capacitive Touchscreen	HD+ TFT Display
Colors
16M colors	16M colors	16M Colour
Size
5.8 inches	6.55 inches	6.5 inches
Resolution
720 x 1560 pixels (296 ppi)	720 x 1600 pixels (268 ppi)	720 x 1520 pixels (259 ppi)
Screen-to-Body Ratio
-	-	-
Multi-Touch

Rear Camera
13 MP + 5 MP	48 MP + 8 MP + 2 MP	13 MP + 2 MP + 2 MP
Flash
LED Flash	LED Flash	LED Flash
Features
13 MP, f/1.9, 28mm (wide), AF 5 MP, f/2.2, 12mm (ultrawide) Panorama, HDR	48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) Panorama, HDR	13 MP, (wide), AF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)
Video
1080p@30fps	1080p@30fps	1080p@30fps
Front Camera
8 MP, f/2.0	13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps	5 MP, f/2.2

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-A	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	Yes	microUSB 2.0
GPS
Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS	Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser
Yes	Yes	Yes

Internal
32 GB, 3 GB RAM	64 GB, 3 GB RAM or 32 GB, 3 GB RAM	32 GB, 3 GB RAM
Expandable Storage
microSD, up to 512 GB (dedicated slot)	microSDXC	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 Fast battery charging 15W	Non-removable Li-Po Battery Battery Charging 10W	Non-removable Li-Po Battery Fast battery charging 15W
Capacity
3000 mAh	5000 mAh	5000 mAh
Stand by
-	-	-
Talk Time
-	-	-