Notification Center

This is our new notification center. Inside, you will find updates on the most important things happening right now.

Notifications

Hmm, push notifications seem to be disabled in your browser. You can enable them from the 'Settings' icon in the URL bar of your browser.

www.phonearena.com

OPPO A83 vs Xiaomi Redmi Note 9S vs Xiaomi Poco X3 Pro

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

Comparison mode:

Display

Size:

5.7 inches
6.7 inches
6.7 inches

Resolution:

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

Technology:

IPS LCD
IPS LCD
IPS LCD

Refresh rate:

120Hz

Screen-to-body:

76.10 %
84.42 %
84.68 %

Features:

Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek Helio P23 MT6763T
Qualcomm Snapdragon 720G SM7125
Qualcomm Snapdragon 860 SM8150-AC

Processor:

Octa-core, 2500 MHz, ARM Cortex-A53, 64-bit, 16 nm
Octa-core, 2300 MHz, Kryo 465, 64-bit, 8 nm
Octa-core, 2960 MHz, Kryo 485, 64-bit, 7 nm

GPU:

Mali-G71 MP2
Adreno 618
Adreno 640

RAM:

3GB LPDDR4
4GB LPDDR4
6GB LPDDR4

Internal storage:

32GB
64GB
128GB (UFS 3.1)

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 512 GB
microSDXC up to 1024 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

3180 mAh
5020 mAh
5160 mAh

Type:

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

Charging:

Fast charging

Max charge speed:

Wired: 33.0W

Camera

Rear:

Single camera
Quad camera
Quad camera

Main camera:

13 MP (Autofocus)
48 MP (PDAF)
48 MP (PDAF)

Specifications:

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

Second camera:

8 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

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

Third camera:

5 MP (Macro, Autofocus)
2 MP (Macro)

Specifications:

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

Fourth camera:

2 MP (Depth information)
2 MP (Depth information)

Specifications:

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

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (30 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)
6.51 x 3.02 x 0.37 inches (165.3 x 76.8 x 9.4 mm)

Weight:

5.04 oz (143.0 g)
7.37 oz (209.0 g)
7.58 oz (215.0 g)

Materials:

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

Resistance:

Splash, Dust; IP53

Biometrics:

2D Face unlock
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Keys:

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

Colors:

Black, Gold
Interstellar grey, Aurora blue, Glacier white
Phantom black, Frost blue, Metal bronze

Cellular

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 8(900)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD):

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

UMTS:

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

Data Speed:

LTE, HSPA, HSUPA
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
Shared with microSD

SIM type:

Nano SIM
Nano SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.0
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
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible)
Type-C (reversible)

Features:

Mass storage device, OTG, Charging
Charging
Charging

Location:

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

Sensors:

Accelerometer, Compass
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other:

VoIP, Tethering, Computer sync, OTA sync
Infrared
NFC, Infrared

Regulatory Approval

FCC approval:

Date approved:

Feb 01, 2021

FCC ID value:

2AFZZJ20SG

Measured SAR:

Head:

1.38 W/kg
0.81 W/kg

Body:

0.71 W/kg
0.67 W/kg

Simultaneous Transmission:

1.57 W/kg

Wireless Router:

0.78 W/kg

Buyers information

Price:

$ 218
$ 249
€ 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
Mar 22, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless