Oppo A72 vs Samsung Galaxy A21s vs Huawei P smart 2021

General Info

Manufacturer
Oppo	Samsung	Huawei
Announced
April 2020	Expected Announcement - May 2020	September 2020
Status
Coming Soon - May 2020	Rumored	Available - September 2020
Colors
Blue, Green	Black, White, Blue	Crush Green, Blush Gold, Midnight Black
Form Factor
Candybar	Candybar	Candybar
Dimension
-	8.9 mm thickness (0.35 in thickness)	165.7 x 76.9 x 9.3 mm (6.52 x 3.03 x 0.37 in)
Weight
-	191 g (6.74 oz)	206 g (7.27 oz)
SIM Type
Dual SIM (Nano-SIM, dual stand-by)	Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)	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 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network
LTE (unspecified)	LTE	1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Messaging

Build Features
- Fingerprint Sensor (side-mounted)	- Fingerprint Sensor	- Fingerprint Sensor (side-mounted)

OS
Android 10.	Android 10.0	Android 10
User Interface
ColorOS 7.1	One UI 2.0	EMUI 10.1, no Google Play Servic
Processor
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6125 Snapdragon 665 (11 nm)	Octa-core 2.0 GHz, Exynos 850	Octa-core (4x2.0 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Kirin 710A (14 nm)
GPU
Adreno 610	-	Mali-G51 MP4
RAM
8 GB	3 GB	4 GB
Internal Memory
128 GB	64 GB	128 GB
External Memory
microSDXC	microSDXC	microSDXC

Type
IPS LCD Capacitive Touchscreen	PLS TFT Capacitive Touchscreen	IPS LCD capacitive touchscreen
Colors
16M colors	16M colors	16M Colour
Size
6.5 inches	6.55 inches	6.67 inches
Resolution
1080 x 2400 pixels (405 ppi)	720 x 1600 pixels (268 ppi)	1080 x 2400 pixels (395 ppi)
Screen-to-Body Ratio
-	-	84.11%
Multi-Touch

Rear Camera
48 MP + 8 MP + 2 MP + 2 MP	48 MP + 8 MP + 2 MP	48 MP + 8 MP + 2 MP + 2 MP
Flash
LED flash	LED Flash	LED Flash
Features
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, panorama	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	48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, 120˚ (ultrawide) 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, panorama
Video
2160p@30fps, 1080p@30/60/120fps; gyro-EIS	1080p@30fps	4K@30fps, 1080p@30fps
Front Camera
16 MP, f/2.0 HDR 1080p@30fps	13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps	8 MP, f/2.0 HDR 1080p@30fps

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA 42.2/5.76 Mbps, LTE-A	HSPA 42.2/5.76 Mbps, LTE-A	HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth
5.0, A2DP, LE	5.0, A2DP, LE	5.1, 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 b/g/n, Wi-Fi Direct, hotspot
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go	Yes	2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, BDS	Yes, with A-GPS	Yes, with A-GPS, GLONASS, BDS
Browser
Yes	Yes	Yes

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Po Battery Fast battery charging 18W	Non-removable Li-Po Battery Battery Charging 10W	Non-removable Li-Po Battery Fast battery charging 22.5W
Capacity
5000 mAh	5000 mAh	5000 mAh
Stand by
-	-	-
Talk Time
-	-	-