OPPO F9 vs Xiaomi Redmi 9 Specs Comparison

Design

Dimensions
6.17 x 2.91 x 0.31 inches 156.7 x 74.04 x 7.99 mm	6.43 x 3.03 x 0.36 inches 163.32 x 77.01 x 9.1 mm
Weight
5.96 oz (169.0 g)	6.98 oz (198.0 g)
Materials
Back: Glass
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Purple, Blue, Red	Carbon gray, Sunset purple, Ocean green

Display

Size
6.3-inch	6.5-inch
Resolution
2340x1080px, 409 PPI	2340x1080px, 19.5:9 ratio, 395 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
84.11 %	83.27 %
Features
Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor	Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Mediatek Helio P60 MT6771 (12 nm)	MediaTek Helio G80 (12 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 2000 MHz Arm Cortex-A75 and Arm Cortex-A55
GPU
Mali-G72 MP3	Mali G52 MC2
RAM
6GB (LPDDR4)	3GB (LPDDR4)
Internal storage
64GB	32GB (eMMC 5.1)
Storage expansion
microSDXC up to 128 GB	microSDXC
OS
Android (10, 8.1 Oreo), ColorOS UI	Android

Battery

Capacity
3500 mAh	5020 mAh
Type
Li - Polymer
Charging
OPPO VOOC	Qualcomm Quick Charge 3.0
Charge speed
	Wired: 18.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 15min

Gaming

7h 3min

Learn more on our PhoneArena Battery Test Results page

Camera

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

Connectivity & Features

Bluetooth
4.2, Yes	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 b,g,n Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
VoIP, Tethering, Computer sync, OTA sync	NFC, Infrared

Multimedia

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

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
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 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 12 (600/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Buyers information

In The Box
	10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide

Availability

Officially announced
Aug 15, 2018

Alternative variants

with 4 GB RAM

RAM	4GB

with 64GB storage

RAM	4GB
Internal storage	64GB

Links

Full specifications
OPPO F9 Specs	Xiaomi Redmi 9 Specs
PhoneArena Review
	Xiaomi Redmi 9 Review
User Reviews
	Xiaomi Redmi 9 User Reviews