Oppo A15 vs Samsung Galaxy S21 Ultra 5G vs vivo Y12s

General Info

Manufacturer
Oppo	Samsung	vivo
Announced
October 2020	2021, January 14	November 2020
Status
Coming Soon - October 2020	Coming soon. Exp. release 2021, January 29	Coming Soon - November 2020
Price
Rs. 10,990 ($0.00) [Similarly Priced]	Rs. 105,999 ($0.00) [Similarly Priced]	-
Colors
Dynamic Black, Mystery Blue	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown	Glacier Blue, Phantom Black
Form Factor
Candybar	Candybar	Candybar
Dimension
164 x 75.4 x 7.9 mm (6.46 x 2.97 x 0.31 in)	165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)	164.4 x 76.3 x 8.4 mm (6.47 x 3 x 0.33 in)
Weight
175 g (6.17 oz)	227 g (8.01 oz)	191 g (6.74 oz)
SIM Type
Dual SIM (Nano-SIM, dual stand-by)	Single SIM (Nano-SIM and/or eSIM), Hybrid 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) CDMA2000 1xEV-DO	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 2100
4G Network
1, 3, 5, 8, 38, 40, 41	LTE	1, 3, 5, 7, 8, 38, 40, 41
5G Network
-	SA/NSA/Sub6/mmWave	-
Messaging

Build Features
- Fingerprint Sensor	- Fingerprint Sensor (under display, ultrasonic) Samsung Pay (Visa, MasterCard certified) IP68 dust/water resistant (up to 1.5m for 30 mins) Stylus support Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+	- Fingerprint Sensor (side-mounted)

OS
Android 10	Android 11	Android 10
User Interface
ColorOS 7.2	One UI 3.0	Funtouch 11
Processor
Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm)	Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - Global / Qualcomm Snapdragon 875 - USA	Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm)
GPU
PowerVR GE8320	Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea	PowerVR GE8320
RAM
3 GB	16 GB	4 GB
Internal Memory
32 GB	512 GB	32 GB
External Memory
microSDXC	microSDXC (uses shared SIM slot)	microSDXC (dedicated slot)

Type
IPS LCD screen	QHD+ Dynamic AMOLED 2X Display 120Hz Refresh Rate HDR10+ 1500 nits (peak) Corning Gorilla Glass Victus Always-on display	IPS LCD Screen
Colors
16M Colour	16M Colour	16M Colour
Size
6.52 inches	6.8 inches	6.51 inches
Resolution
720 x 1600 pixels (269 ppi)	1440 x 3200 pixels (516 ppi)	720 x 1600 pixels (270 ppi)
Screen-to-Body Ratio
83.06%	89.46%	81.28%
Multi-Touch

3.5mm Jack

Radio
FM radio	FM radio (Snapdragon model only; market/operator dependent)	FM radio
Games
Yes + Downloadable	Yes + Downloadable	Yes + Downloadable
Loud Speaker

Rear Camera
13 MP + 2 MP + 2 MP	108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP	13 MP + 2 MP
Flash
LED Flash	LED flash	LED Flash
Features
13 MP, f/2.2, (wide), 1/3.1", 1.12µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama	108 MP (2nd gen), f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video auto-HDR, panorama	13 MP, f/2.2, (wide), PDAF 2 MP, f/2.4, (depth) Panorama
Video
1080p@30fps	8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS	1080p@30fps
Front Camera
5 MP, (wide), HDR	40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF Dual video call, Auto-HDR 4K@30/60fps, 1080p@30fps	8 MP, f/1.8, (wide) 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 (CA), 5G	HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth
5.0, A2DP, LE	5.2, 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/6e, 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, USB On-The-Go	USB Type-C 3.2, USB On-The-Go	microUSB 2.0, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS, GLONASS, BDS, GALILEO	Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser
Yes	Yes	Yes

Internal
32 GB, 3 GB RAM	512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1	32 GB, 4 GB RAM or 32 GB, 3 GB RAM
Expandable Storage
microSDXC	microSDXC (uses shared SIM slot)	microSDXC (dedicated slot)
USB OTG
Supported	Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

Barometer Sensor

NFC

Type
Non-removable Li-Po Battery Battery Charging 10W	Non-removable Li-Po Battery Fast battery charging 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Reverse wireless charging 4.5W	Non-removable Li-Po Battery Battery Charging 10W Reverse charging 5W
Capacity
4230 mAh	5000 mAh	5000 mAh
Stand by
-	-	-
Talk Time
-	-	-