Compare OPPO A57 2022 VS Xiaomi Redmi 9i (4GB, 64GB) Mobile

Display Size
6.56 inch
6.53 inch
Dual-Display Size
0 inch
0 inch
Technology
LCD
LCD
Panel
IPS
Features
Multi-Touch, Capacitive Touchscreen
Types Of Notches
Waterdrop Notch Display
Waterdrop Notch Display
Screen Refresh Rate
60 Hz
0 Hz
Display Type
Touchscreen
Touchscreen
Display Resolution
1612 x 720 Pixels
720 x 1600 Pixels
Front Display Resolution
0 X 0 Pixels
0 X 0 Pixels
HD Type
HD+
HD+
Aspect Ratio
20 : 9
20 : 9
Bezel less mobile
Yes
Yes
Screen Protectors
Panda MN228 Glass
Other Features
Eye Care Display
Brightness : 400nit typ, Contrast: 1500:1, NTSC : 70%

Rear Camera Type
Dual Camera
Single Camera
Rear Flash
LED
LED
Rear Hardware Features
Autofocus, 5P Lens, 3P Lens
Autofocus
Rear Zoom Options
5x Digital Zoom
Rear Software Features
Touch to focus, ISO Control, Body and Face Detection, Auto Flash, Exposure Compensation
Touch to focus, ISO Control, Exposure Control
Rear Shooting Modes
High Dynamic Range (HDR), Continuos Shooting
High Dynamic Range (HDR), Continuos Shooting
Rear Recording Resolution
1920x1080 (1080p HD)
1920x1080 (1080p HD), 1280x720 (720p HD)
Rear Frame Rate
Full HD (1080p) @ 30fps
Full HD (1080p) @ 30fps, HD (720p) @ 30fps
Aperture
f/ 2.2 - f/ 0 Aperture
f/ 2.2 - f/ 0 Aperture
Focal Length
0 mm
Pixel Size
0 um
1 um
Rear Megapixels
13 MP
13 MP
Aperture
f/ 2.4 - f/ 0 Aperture
Lens Type
Depth
Rear Megapixels
2 MP
Front Camera Type
Single Camera
Single Camera
Front Flash
Screen Flash
Front Hardware Features
5P Lens
Front Zoom Options
Digital Zoom
Front Software Features
Touch to focus, ISO Control, Body and Face Detection, Face Retouching
Front Shooting Modes
High Dynamic Range (HDR), Continuos Shooting
Front Recording Resolution
1920x1080 (1080p HD)
Front Frame Rate
Full HD (1080p) @ 30fps
Aperture
f/ 2 - f/ 0 Aperture
f/ 2.2 - f/ 0 Aperture
Front Lens Type
Wide Angle
Front Megapixels
8 MP
5 MP
Pixel Size
1.12 um

Wi-Fi features
Mobile Hotspot, WiFi Direct
USB features
Mass Storage Device, USB Charging
Network
4G LTE - 3G - 2G
4G LTE - 3G - 2G
Wi-Fi Version
802.11, 802.11, a, 802.11, b, 802.11, g, 802.11, n
802.11, a, 802.11, b, 802.11, g, 802.11, n
Bluetooth
v5.3
v5.0
Connectivity
VoLTE, USB OTG Support, GPRS, EDGE
VoLTE, USB OTG Support, GPRS, EDGE
Location
GPS, Glonass, Galileo, QZSS, BDS
GPS, A-GPS (Assisted GPS), Glonass, BeiDou
Charging connector
USB Type-C
microUSB 2.0

Sensors
Light Sensor, Proximity Sensor, Accelerometer, Geomagnetic Sensor, Gravity Sensors, Face Unlock, (Side) Fingerprint Sensor
Light Sensor, Proximity Sensor, Accelerometer, E-Compass, G-Sensor