vivo Y91i vs Oppo A77

Price Comparison (India)

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Manufacturer
vivo	Oppo
Announced
March 2019	June 2022
Status
Available - March 2019	Coming Soon - June 2022
Price
Rs. 9,990 ($0.00) [Similarly Priced]	-
Colors
Fusion Black, Sunset Red, Ocean Blue	Ocean Blue, Midnight Black
Form Factor
Candybar	Candybar
Dimension
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)	163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in)
Weight
163.5 g (5.75.0.18 oz)	190 g (6.7 oz)
SIM Type
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
3G Network
HSDPA 850 / 900 / 2100	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500)	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
5G Network
-	1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA
Messaging

Build Features
-	- Fingerprint Sensor (side-mounted) IPX4 water resistant

OS
Android 8.1 (Oreo)	Android 12
User Interface
Funtouch 4.5	ColorOS 12.1
Processor
Octa-core 2.0 GHz Cortex-A53, Mediatek MT6762 Helio P22 (12 nm) [Similar]	Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek MT6833P Dimensity 810 (6 nm) [Similar]
GPU
PowerVR GE8320 [Similar]	Mali-G57 MC2 [Similar]
RAM
2 GB [Browse Similar]	6 GB [Browse Similar]
Internal Memory
16/32 GB	128 GB
External Memory
microSD, up to 256 GB (dedicated slot)	microSDXC

Type
IPS LCD Capacitive Touchscreen	HD+ IPS LCD Screen 90Hz Refresh Rate 480 nits (typ), 600 nits (HBM)
Colors
16M colors	16M Colors
Size
6.22 inches [Similar]	6.56 inches [Similar]
Resolution
720 x 1520 pixels (270 ppi)	720 x 1612 pixels (269 ppi)
Screen-to-Body Ratio
83.15%	84.12%
Multi-Touch

Rear Camera
13 MP [Similar]	48 MP + 2 MP [Similar]
Flash
LED Flash	LED Flash
Features
13 MP, f/2.2, PDAF Panorama	48 MP, f/1.7, 26mm (wide), PDAF 2 MP, f/2.4, (depth) HDR, Panorama
Video
1080p@30fps	1080p@30fps
Front Camera
8 MP, f/1.8 [Similar]	8 MP, f/2.0, 26mm (wide) Panorama 1080p@30fps [Similar]

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA, LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps, LTE, 5G
Bluetooth
5.0, A2DP, LE	5.3, A2DP, LE, aptX HD
Wi-Fi
Wi-Fi 802.11 b/g/n, WiFi 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 2.0, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS
Browser
Yes	Yes

Internal
16/32 GB, 2 GB RAM	128 GB, 6 GB RAM UFS 2.2
Expandable Storage
microSD, up to 256 GB (dedicated slot)	microSDXC
USB OTG
Supported	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 33W, 53% in 30 min (advertised)
Capacity
4030 mAh	5000 mAh
Stand by
-	-
Talk Time
-	-