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Samsung Galaxy A57 5G vs Oppo A91 comparison

 Sponsored Compare Samsung Galaxy A57 5G
Samsung Galaxy A57 5G
Compare Oppo A91
Oppo A91
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.70-inch6.40-inch
Front Camera12-megapixel Unspecified
Rear Camera50-megapixel + 12-megapixel + 5-megapixel 48-megapixel + 8-megapixel
RAMLPDDR5x8GB
Storage256GB128GB
Battery Capacity5,000mAh (Lasts up to 2 days)4000mAh
OSAndroid 16Android 9
Resolution2340x1080 pixels1080x2400 pixels
ProcessorOcta-coreocta-core
Camera Features10x Digital Zoom, Nightography, Low Noise Mode, Enhanced ISP, Instant slow-mo, Best Face, Object Eraser, HDR Selfie-
general
BrandSamsungOppo
ModelGalaxy A57 5GA91
Release dateMarch 25, 2026December 20, 2019
AI EnabledYes-
Form factorTouchscreenTouchscreen
Body typeGlass-
Dimensions (mm)161.50 x 76.80 x 6.90-
Weight (g)179.00-
IP ratingIP68 (up to 30 minutes in a depth of 1.5 meter)-
Battery capacity (mAh)5,000mAh (Lasts up to 2 days)4000
Removable batteryNoNo
Wireless chargingNo-
ColoursAwesome Navy, Awesome Icyblue and Awesome LilacBlack, Blue, Red
Fast charging-VOOC
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.706.40
TouchscreenYesYes
Resolution2340x1080 pixels1080x2400 pixels
Protection type-Gorilla Glass
hardware
RAMLPDDR5x8GB
Internal storage256GB128GB
Expandable storageYes-
ProcessorOcta-coreocta-core
Processor nameExynos 1680-
camera
Rear camera50-megapixel (f/1.8) + 12-megapixel (f/2.2) + 5-megapixel (f/2.4)48-megapixel + 8-megapixel
No. of Rear Cameras3-
Front camera12-megapixel (f/2.2)Unspecified
No. of Front Cameras1-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Macro-
Rear autofocus-Yes
Rear flash-Yes
Front flash-No
software
Operating systemAndroid 16Android 9
SkinOneUI8.5ColorOS
connectivity
Wi-Fi6E is presentYes
GPSYesYes
BluetoothYesYes
USB Type-CYes-
Wi-Fi standards supported-802.11 a/b/g/n
Active 4G on both SIM cardsYesYes
sensors
Face unlockYes-
Fingerprint sensorYesYes
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-

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