OPPO A9 (2020) vs Xiaomi Redmi Note 9S Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

OPPO A9 (2020) Xiaomi Redmi Note 9S
Released · Sep 11, 2019
Released · Apr 07, 2020
6.5-inch
6.7-inch
Quad camera
Quad camera
4GB · 128GB
4GB · 64GB
5000 mAh
5020 mAh
Check prices

Availability

Officially announced
Mar 23, 2020
Prices (MSRP)
$249

Design

Dimensions
6.44 x 2.98 x 0.36 inches
163.6 x 75.6 x 9.1 mm
6.53 x 3.02 x 0.35 inches
165.75 x 76.68 x 8.8 mm
Weight
6.88 oz (195.0 g) 7.37 oz (209.0 g)
Materials
Back: Plastic
Frame: Plastic
Back: Glass (Corning Gorilla Glass 5)
Biometrics
2D Face unlock, Fingerprint (touch) Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Space purple, Marine green, Vanilla mint Interstellar grey, Aurora blue, Glacier white

Display

Size
6.5-inch, 82.39% screen-to-body 6.7-inch, 84.42% screen-to-body
Type
IPS LCD IPS LCD, HDR
Resolution
720x1600px, 20:9 ratio, 270 PPI 2400x1080px, 20:9 ratio, 395 PPI
Protection
Corning Gorilla Glass 3 Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 665 SM6125 (11 nm) Snapdragon 720G SM7125 (8 nm)
Processor
Octa-core
2000 MHz
Kryo 260
Octa-core
2300 MHz
Kryo 465
GPU
Adreno 610 Adreno 618
Memory
4GB (LPDDR4)/128GB
8GB/128GB
4GB (LPDDR4)/64GB
6GB/128GB
Storage expansion
microSDXC up to 256 GB microSDXC up to 512 GB
OS
Android (10, 9.0 Pie) Android (11, 10)

Battery

Type
5000 mAh, Li - Polymer 5020 mAh, Li - Polymer
Charging
Reverse wired charging Fast charging

Camera

Rear
Quad camera Quad camera
Main camera
48 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/2.3"
Pixel size: 0.8 μm
48 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Pixel size: 1.12 μm
Third camera
2 MP
Aperture size: F2.4
Sensor size: 1/5"
Pixel size: 1.75 μm
5 MP (Macro, Autofocus)
Aperture size: F2.4
Pixel size: 1.12 μm
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Sensor size: 1/5"
Pixel size: 1.75 μm
2 MP (Depth information)
Aperture size: F2.4
Pixel size: 1.75 μm
Flash
LED Dual LED
Video recording
4K UHD (30 fps), 1080p (30 fps)
Time-lapse video, EIS
4K UHD (30 fps), 1080p (120 fps), 720p (960 fps)
Front
16 MP
Video capture: 1080p
16 MP (HDR, Slow-motion videos)
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
b,g,n
Wi-Fi Direct, Hotspot
802.11 b, g, n
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 2.0 Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
Infrared

Multimedia

Headphones
3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 40, 41 38, 40
3G Bands
5, 8, 1 5, 8, 4, 2, 1
Data Speed
LTE-A, 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
VoLTE
Yes

Alternative variants

with 8GB RAM
Memory 8GB
with 128GB storage
Memory 6GB/128GB
Prices (MSRP) $279
FCC OKs Cingular\'s purchase of AT&T Wireless