Redmi Note 7S (4GB RAM, 64GB) vs Vivo Y51 comparison

Show Only Differences Highlight Differences	Redmi Note 7S (4GB RAM, 64GB)	Vivo Y51 (8GB RAM, 128GB)
ratings
Overall NDTV Rating	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	5.00-inch
Processor	Qualcomm Snapdragon 660	1.2GHz quad-core
Front Camera	13-megapixel	5-megapixel
Rear Camera	48-megapixel + 5-megapixel	8-megapixel
RAM	4GB	2GB
Storage	64GB	16GB
Battery Capacity	4000mAh	2350mAh
OS	Android Pie	Android 5.0.2
Resolution	1080x2340 pixels	540x960 pixels
general
Brand	Xiaomi	Vivo
Model	Redmi Note 7S	Y51
Release date	May 20, 2019	November 1, 2015
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Body type	Glass	-
Dimensions (mm)	159.21 x 75.21 x 8.10	143.80 x 71.70 x 7.52
Weight (g)	186.00	157.00
Battery capacity (mAh)	4000	2350
Removable battery	No	No
Fast charging	Quick Charge 4+	-
Colours	Astro Moonlight White, Onyx Black, Ruby Red, Sapphire Blue	White
SAR value	1.60	-
display
Screen size (inches)	6.30	5.00
Touchscreen	Yes	Yes
Resolution	1080x2340 pixels	540x960 pixels
Protection type	Gorilla Glass	-
Aspect ratio	19.5:9	-
Pixels per inch (PPI)	409	-
hardware
Processor	2.2GHz octa-core (4x2.2GHz + 4x1.8GHz)	1.2GHz quad-core
Processor make	Qualcomm Snapdragon 660	-
RAM	4GB	2GB
Internal storage	64GB	16GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	256	128
Dedicated microSD slot	No	-
camera
Rear camera	48-megapixel (f/1.79, 1.6-micron) + 5-megapixel	8-megapixel
Rear autofocus	Yes	-
Rear flash	LED	LED
Front camera	13-megapixel (f/2.0, 1.12-micron)	5-megapixel
Front flash	No	-
software
Operating system	Android Pie	Android 5.0.2
Skin	MIUI 10	FunTouch OS
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	-
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes
Infrared	Yes	No
USB OTG	Yes	No
USB Type-C	Yes	-
Headphones	3.5mm	3.5mm
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
NFC	-	No
FM	-	Yes
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	Yes
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Barometer	-	No
Temperature sensor	-	No

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