OPPO A83 vs Xiaomi Redmi Note 9S

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.7 inches
6.7 inches

Resolution:

1440 x 720 pixels, 282 PPI
2400 x 1080 pixels, 20:9 ratio, 395 PPI

Technology:

IPS LCD
IPS LCD

Screen-to-body:

76.10 %
84.42 %

Features:

Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek Helio P23 MT6763T
Qualcomm Snapdragon 720G SM7125

Processor:

Octa-core, 2500 MHz, ARM Cortex-A53, 64-bit, 16 nm
Octa-core, 2300 MHz, Kryo 465, 64-bit, 8 nm

GPU:

Mali-G71 MP2
Adreno 618

RAM:

3GB LPDDR4
4GB LPDDR4

Internal storage:

32GB
64GB

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

Android (7.1 Nougat), OPPO ColorOS UI
Android (11, 10)

Battery

Capacity:

3180 mAh
5020 mAh

Type:

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Fast charging

Camera

Rear:

Single camera
Quad camera

Main camera:

13 MP (Autofocus)
48 MP (PDAF)

Specifications:

Aperture size: F2.2
Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Pixel size: 1.12 μm

Third camera:

5 MP (Macro, Autofocus)

Specifications:

Aperture size: F2.4; Pixel size: 1.12 μm

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4; Pixel size: 1.75 μm

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)

Features:

Video calling, Video sharing

Front:

8 MP
16 MP (HDR, Slow-motion videos)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

5.93 x 2.88 x 0.30 inches (150.5 x 73.1 x 7.7 mm)
6.53 x 3.02 x 0.35 inches (165.75 x 76.68 x 8.8 mm)

Weight:

5.04 oz (143.0 g)
7.37 oz (209.0 g)

Materials:

Back: Aluminum
Back: Glass (Corning Gorilla Glass 5)

Biometrics:

2D Face unlock
Fingerprint (touch)

Keys:

Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, Gold
Interstellar grey, Aurora blue, Glacier white

Cellular

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 8(900)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300)

UMTS:

Bands 5(850), 8(900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Data Speed:

LTE, HSPA, HSUPA
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

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

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.0

Wi-Fi:

802.11 a, b, g, n, dual-band; Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible)

Features:

Mass storage device, OTG, Charging
Charging

Location:

GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Compass
Accelerometer, Gyroscope, Compass

Other:

VoIP, Tethering, Computer sync, OTA sync
Infrared

Regulatory Approval

Measured SAR:

Head:

1.38 W/kg

Body:

0.71 W/kg

Buyers information

Price:

$ 218
$ 249

In The Box:

Earphones, microUSB cable, charger, SIM ejector tool, Documentation, case
22.5W Wire charger, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card

Availability

Officially announced:

Mar 23, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless