OPPO F9 vs vivo Y91 Specs Comparison

Display

Size
6.3-inch	6.2-inch
Resolution
2340 x 1080 px, 409 PPI	1520 x 720 px, 270 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
84.11 %	82.76 %
Colors
	16 777 216
Features
Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Mediatek Helio P60 MT6771 (12 nm)	MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core, 2000 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit	Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit
GPU
Mali-G72 MP3	IMG PowerVR GE8320
RAM
6GB (LPDDR4)	2GB
Internal storage
64GB	32GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 256 GB
OS
Android (10, 8.1 Oreo), ColorOS UI	Android (8.1 Oreo), Funtouch UI
Device type
Smartphone	Smartphone

Battery

Capacity
3500 mAh	4030 mAh
Type
Li - Polymer, Not user replaceable	Not user replaceable
Charging
OPPO VOOC

Camera

Rear
Dual camera	Dual camera
Main camera
16 MP (PDAF) Specifications: Aperture size: F1.8 Sensor size: 1/3.09" Pixel size: 1 μm	13 MP (PDAF) Specifications: Aperture size: F2.2
Second camera
2 MP (Depth information) Specifications: Aperture size: F2.4	2 MP (Depth information) Specifications: Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps), 1280x720 (HD) Features: Time-lapse video, Video calling, Video sharing	1920x1080 (Full HD) (30 fps) Features: Time-lapse video, Video calling, Video sharing
Front
25 MP, Video capture: 1920x1080 (Full HD)	8 MP

Design

Dimensions
6.17 x 2.91 x 0.31 inches (156.7 x 74.04 x 7.99 mm)	6.11 x 2.96 x 0.33 inches (155.11 x 75.09 x 8.28 mm)
Weight
5.96 oz(169.0 g)	5.77 oz(163.5 g)
Materials
Back: Glass
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Purple, Blue, Red	Black, Blue

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)	Bands 1(2100), 3(1800), 5(850)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 1(2100)	Bands 5(850), 8(900), 1(2100)
Data Speed
LTE-A Cat 12 (600/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Connectivity & Features

Bluetooth
4.2, Yes	5.0
Wi-Fi
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 b,g,n Hotspot, Wi-Fi Direct
USB
microUSB, USB 2.0, Features: Charging, OTG, Mass storage device	microUSB, USB 2.0, Features: Mass storage device, OTG, Charging
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, BeiDou
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
VoIP, Tethering, Computer sync, OTA sync	VoIP, Tethering, Computer sync, OTA sync

Regulatory Approval

Measured SAR
	Head: 1.28 W/kg Body: 0.61 W/kg

Buyers information

In The Box
	Documentation, micro USB to USB cable, USB power adapter, SIM ejector, Protective case, Protective film (applied)

Availability

Officially announced
Aug 15, 2018

Alternative variants

with 4 GB RAM

RAM	4GB

Links

Full specifications
OPPO F9 Specs	vivo Y91 Specs