Comio S1 vs Vivo Y31

Key Specs

Battery
Battery	2700 mAh	2100 mAh
Display
Display	5.2 inches (13.21 cm)	4.7 inches (11.94 cm)
Front Camera
Front Camera	8 MP	2 MP
Processor
Processor	MediaTek MT6737	MediaTek MT6580
RAM
RAM	2 GB	-
Rear Camera
Rear Camera	13 MP	8 MP

Battery

Capacity
Capacity	2700 mAh	2100 mAh
Removable
Removable	No	-
Type
Type	Li-Polymer	Li-Polymer
USB Type-C
USB Type-C	No	-

Camera

Autofocus
Autofocus	-	Yes
Camera Features
Camera Features	-	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes, LED Flash
Image Resolution
Image Resolution	-	3264 x 2448 Pixels
Resolution
Resolution	-	2 MP, Primary Camera
Sensor
Sensor	-	CMOS image sensor
Settings
Settings	-	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	-	1920x1080 @ 30 fps

Design

Build Material
Build Material	Case: Metal Back: Metal	-
Colours
Colours	Royal Black, Sunrise Gold	Black, White
Height
Height	149.2 mm	137.2 mm
Thickness
Thickness	7.9 mm	8.3 mm
Weight
Weight	159 grams	137 grams
Width
Width	72.6 mm	68.7 mm

Display

Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	282 ppi	312 ppi
Resolution
Resolution	720x1280 px (HD)	-
Screen Size
Screen Size	5.2 inches (13.21 cm)	4.7 inches (11.94 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	68.66 %	64.46 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Resolution
Resolution	8 MP f/2.0, Primary Camera	-

General

Brand
Brand	Comio	vivo
Custom UI
Custom UI	COMIO UI	-
Launch Date
Launch Date	September 5, 2017 (Official)	-
Operating System
Operating System	Android v7.0 (Nougat)	Android v5.1 (Lollipop)

Main Camera

Autofocus
Autofocus	Yes	-
Camera Features
Camera Features	Digital Zoom Auto Flash	-
Camera Setup
Camera Setup	Single	-
Flash
Flash	Yes, LED Flash	-
Image Resolution
Image Resolution	4128 x 3096 Pixels	-
OIS
OIS	No	-
Resolution
Resolution	13 MP f/2.0, Primary Camera	-
Video Recording
Video Recording	1280x720 @ 30 fps	-

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes
Fm Radio
FM Radio	-	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	-
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 3G, 2G
SIM 1
SIM 1	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	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: Nano, SIM2: Nano (Hybrid)	-
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	microUSB 2.0	microUSB 2.0
VoLTE
VoLTE	Yes	-
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	64 bit	-
CPU
CPU	Quad core, 1.3 GHz, Cortex A53	Quad core, 1.3 GHz, Cortex A7
Chipset
Chipset	MediaTek MT6737	MediaTek MT6580
Graphics
Graphics	Mali-T720 MP2	Mali-400 MP
RAM type
RAM Type	DDR3	-
Ram
RAM	-	1 GB

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	-
Fingerprint Sensor Position
Fingerprint Sensor Position	Front	-
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer	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	32 GB	8 GB