Samsung Galaxy A10 vs Samsung Galaxy A51 5G vs Oppo A16

General Info

Manufacturer
Samsung	Samsung	Oppo
Announced
February 2019	April 2020	July 2021
Status
Coming Soon - March 2019	Coming Soon - April 2020	Available - July 2021
Colors
Blue, Black, Red	Prism Cube Black, Prism Cube White, Prism Cube Pink	Pearl Blue, Space Silver, Crystal Black
Form Factor
Candybar	Candybar	Candybar
Dimension
-	158.9 x 73.6 x 8.7 mm (6.26 x 2.9 x 0.34 in)	163.8 x 75.6 x 8.4 mm (6.45 x 2.98 x 0.33 in)
Weight
-	187 g (6.6 oz)	190 g (6.7 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)	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
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 2100
4G Network
LTE	LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)	1, 3, 5, 8, 38, 40, 41
5G Network
-	5G SA/NSA	-
Messaging

Build Features
-	- Fingerprint Sensor (under display, optical)	- Fingerprint Sensor (side-mounted)

OS
Android 9.0 (Pie)	Android 10.0	Android 11
User Interface
-	One UI 2.0	ColorOS 11.1
Processor
Octa-core 1.6 GHz, Exynos 7884 Octa	Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55), Exynos 980 (8 nm)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), MediaTek Helio G35 (12 nm)
GPU
Mali-G71	Mali-G76 MP5	PowerVR GE8320
RAM
2 GB	8 GB	3 GB
Internal Memory
32 GB	128 GB	32 GB
External Memory
microSD, up to 512 GB (dedicated slot)	microSDXC (dedicated slot)	microSDXC

Type
IPS LCD Capacitive Touchscreen	Super AMOLED Capacitive Touchscreen Corning Gorilla Glass 3	HD+ IPS LCD Screen 480 nits (typ)
Colors
16M colors	16M colors	16M Colour
Size
6.2 inches	6.5 inches	6.52 inches
Resolution
720 x 1520 pixels (271 ppi)	1080 x 2400 pixels (405 ppi)	720 x 1600 pixels (269 ppi)
Screen-to-Body Ratio
-	87.17%	82.94%
Multi-Touch

Rear Camera
13 MP	48 MP + 12 MP + 5 MP + 5 MP	13 MP + 2 MP + 2 MP
Flash
LED Flash	LED flash	LED Flash
Features
13 MP, f/1.9, 28mm (wide), AF Panorama, HDR	48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 12mm (ultrawide) 5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm 5 MP, f/2.2, (depth) HDR, panorama	13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama
Video
1080p@30fps	2160p@30fps, 1080p@30/120fps; gyro-EIS	1080p@30fps
Front Camera
5 MP, f/2.0, LED flash,	32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm HDR 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 Cat4 150/50 Mbps	HSPA, LTE-A, 5G	HSPA 42.2/5.76 Mbps, LTE
Bluetooth
4.2, A2DP, LE	5.0, A2DP, LE	5.0, A2DP, LE, aptX
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 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB
microUSB 2.0	2.0, Type-C 1.0 reversible connector, USB On-The-Go	USB Type-C 2.0, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS, GLONASS, GALILEO, BDS	Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS
Browser
	Yes	Yes

Internal
32 GB, 2 GB RAM	128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.0)	32 GB, 3 GB RAM
Expandable Storage
microSD, up to 512 GB (dedicated slot)	microSDXC (dedicated slot)	microSDXC
USB OTG
Not Supported	Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Ion Battery	Non-removable Li-Po Battery Fast battery charging 15W	Non-removable Li-Po Battery
Capacity
3400 mAh	4500 mAh	5000 mAh
Stand by
-	-	-
Talk Time
-	-	-