Redmi Note 7S vs Oppo A57 comparison

Show Only Differences Highlight Differences	Redmi Note 7S	Oppo A57
ratings
Overall NDTV Rating	Read Review	Read Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display	6.30-inch	5.20-inch
Processor	Qualcomm Snapdragon 660	Qualcomm Snapdragon 435
Front Camera	13-megapixel	16-megapixel
Rear Camera	48-megapixel + 5-megapixel	13-megapixel
RAM	3GB	3GB
Storage	32GB	32GB
Battery Capacity	4000mAh	2900mAh
OS	Android Pie	Android 6.0
Resolution	1080x2340 pixels	720x1280 pixels
general
Brand	Xiaomi	Oppo
Model	Redmi Note 7S	A57
Release date	May 20, 2019	November 1, 2016
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Body type	Glass	-
Dimensions (mm)	159.21 x 75.21 x 8.10	149.10 x 72.90 x 7.65
Weight (g)	186.00	147.00
Battery capacity (mAh)	4000	2900
Removable battery	No	No
Fast charging	Quick Charge 4+	-
Colours	Onyx Black, Ruby Red, Sapphire Blue	Rose Gold, Gold
SAR value	1.60	1.31
display
Screen size (inches)	6.30	5.20
Touchscreen	Yes	Yes
Resolution	1080x2340 pixels	720x1280 pixels
Protection type	Gorilla Glass	-
Aspect ratio	19.5:9	16:9
Pixels per inch (PPI)	409	-
hardware
Processor	2.2GHz octa-core (4x2.2GHz + 4x1.8GHz)	1.4GHz octa-core
Processor make	Qualcomm Snapdragon 660	Qualcomm Snapdragon 435
RAM	3GB	3GB
Internal storage	32GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	256	256
Dedicated microSD slot	No	-
camera
Rear camera	48-megapixel (f/1.79, 1.6-micron) + 5-megapixel	13-megapixel (f/2.2)
Rear autofocus	Yes	Phase detection autofocus
Rear flash	LED	LED
Front camera	13-megapixel (f/2.0, 1.12-micron)	16-megapixel (f/2.0, 1.12-micron)
Front flash	No	-
Front autofocus	-	Yes
software
Operating system	Android Pie	Android 6.0
Skin	MIUI 10	ColorOS 3.0
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.10
Infrared	Yes	No
USB OTG	Yes	Yes
USB Type-C	Yes	-
Headphones	3.5mm	3.5mm
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
NFC	-	No
Micro-USB	-	Yes
FM	-	Yes
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Barometer	-	No
Temperature sensor	-	No

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