Vivo Y21 vs Vivo Y31l

Key Specs

Battery
Battery	1900 mAh	2200 mAh
Display
Display	4.5 inches (11.43 cm)	4.7 inches (11.94 cm)
Front Camera
Front Camera	2 MP	5 MP
Processor
Processor	MediaTek MT6580	Qualcomm Snapdragon 410 MSM8916
RAM
RAM	1 GB	1 GB
Rear Camera
Rear Camera	5 MP	8 MP

Battery

Capacity
Capacity	1900 mAh	2200 mAh
Removable
Removable	Yes	Yes
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	No	No

Design

Colours
Colours	Gold, White	Black, White
Height
Height	130.7 mm	137.2 mm
Thickness
Thickness	9.2 mm	8.3 mm
Weight
Weight	145 grams	133 grams
Width
Width	66.4 mm	68.7 mm

Display

Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	218 ppi	312 ppi
Resolution
Resolution	480x854 px	720x1280 px (HD)
Screen Protection
Screen Protection	No	-
Screen Size
Screen Size	4.5 inches (11.43 cm)	4.7 inches (11.94 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	64.18 %	64.46 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
Autofocus	No	No
Flash
Flash	No	No
Resolution
Resolution	2 MP f/2.2, Primary Camera	5 MP, Primary Camera

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General

Brand
Brand	vivo	vivo
Launch Date
Launch Date	May 16, 2016 (Official)	April 13, 2016 (Official)
Operating System
Operating System	Android v5.1 (Lollipop)	Android v5.1 (Lollipop)

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom	Digital Zoom Auto Flash Digital image stabilization Face detection Touch to focus
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	2592 x 1944 Pixels	3264 x 2448 Pixels
OIS
OIS	No	No
Resolution
Resolution	5 MP f/2.2, Primary Camera	8 MP, Primary Camera
Settings
Settings	-	ISO control
Shooting Modes
Shooting Modes	-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	1280x720 @ 30 fps	-

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.0	Yes, v4.0
GPS
GPS	Yes with A-GPS	Yes with A-GPS
NFC
NFC	No	No
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
SIM 1	3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz
SIM Size
SIM Size	SIM1: Micro, SIM2: Micro	SIM1: Micro, SIM2: Micro
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	Mass storage device, USB charging, microUSB 2.0	microUSB 2.0
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	32 bit	64 bit
CPU
CPU	Quad core, 1.3 GHz, Cortex A7	Quad core, 1.2 GHz, Cortex A53
Chipset
Chipset	MediaTek MT6580	Qualcomm Snapdragon 410 MSM8916
Graphics
Graphics	Mali-400 MP	Adreno 306

Sensors

Fingerprint Sensor
Fingerprint Sensor	No	No
Other Sensors
Other Sensors	Proximity sensor, Accelerometer, Compass	Light sensor, Proximity sensor, Accelerometer, Compass

Storage

Expandable Memory
Expandable Memory	Yes, Up to 128 GB	Yes, Up to 128 GB
Internal Memory
Internal Memory	16 GB	16 GB
USB OTG
USB OTG	Yes	-