Comio S1 vs Oppo A18

Key Specs

Battery
Battery	2700 mAh	5000 mAh
Display
Display	5.2 inches (13.21 cm)	6.56 inches (16.66 cm)
Front Camera
Front Camera	8 MP	5 MP
Processor
Processor	MediaTek MT6737	MediaTek Helio G85
RAM
RAM	2 GB	4 GB
Rear Camera
Rear Camera	13 MP	8 MP + 2 MP

Battery

Capacity
Capacity	2700 mAh	5000 mAh
Removable
Removable	No	No
Type
Type	Li-Polymer	Li-Polymer
USB Type-C
USB Type-C	No	Yes

Design

Build Material
Build Material	Case: Metal Back: Metal	-
Colours
Colours	Royal Black, Sunrise Gold	Glowing Black, Glowing Blue
Height
Height	149.2 mm	163.7 mm
Ruggedness
Ruggedness	-	Dust proof
Thickness
Thickness	7.9 mm	8.1 mm
Waterproof
Waterproof	-	Yes, Splash proof, IPX4, IP5X
Weight
Weight	159 grams	188 grams
Width
Width	72.6 mm	75 mm

Display

Aspect Ratio
Aspect Ratio	-	20:9
Bezel-less display
Bezel-less display	-	Yes with waterdrop notch
Brightness
Brightness	-	720 nits
Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	282 ppi	269 ppi
Refresh Rate
Refresh Rate	-	90 Hz
Resolution
Resolution	720x1280 px (HD)	720x1612 px (HD+)
Screen Size
Screen Size	5.2 inches (13.21 cm)	6.56 inches (16.66 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	68.66 %	84.62 %
Screen to Body Ratio (claimed by the brand)
Screen to Body Ratio (claimed by the brand)	-	89.80 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Features
Camera Features	-	Fixed Focus
Camera Setup
Camera Setup	-	Single
Resolution
Resolution	8 MP f/2.0, Primary Camera	5 MP f/2.2, Wide Angle, Primary Camera

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General

Brand
Brand	Comio	OPPO
Custom UI
Custom UI	COMIO UI	ColorOS
Launch Date
Launch Date	September 5, 2017 (Official)	October 6, 2023 (Official)
Operating System
Operating System	Android v7.0 (Nougat)	Android v13

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom Auto Flash	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	Single	Dual
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	4128 x 3096 Pixels	3264 x 2448 Pixels
OIS
OIS	No	-
Resolution
Resolution	13 MP f/2.0, Primary Camera	8 MP f/2.0, Wide Angle (78° field-of-view), Primary Camera 2 MP f/2.4
Settings
Settings	-	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	1280x720 @ 30 fps	1920x1080 @ 30 fps 1280x720 @ 30 fps

Multimedia

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

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.0	Yes, v5.3
GPS
GPS	Yes with A-GPS	Yes with A-GPS, Glonass
NFC
NFC	No	No
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G 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	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 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	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM Size	SIM1: Nano, SIM2: Nano (Hybrid)	SIM1: Nano, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	microUSB 2.0	Mass storage device, USB charging
VoLTE
VoLTE	Yes	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	64 bit	64 bit
CPU
CPU	Quad core, 1.3 GHz, Cortex A53	Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Chipset
Chipset	MediaTek MT6737	MediaTek Helio G85
Fabrication
Fabrication	-	12 nm
Graphics
Graphics	Mali-T720 MP2	Mali-G52 MC2
RAM type
RAM Type	DDR3	LPDDR4X

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	Front	Side
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 1 TB
Internal Memory
Internal Memory	32 GB	64 GB
Storage Type
Storage Type	-	eMMC 5.1
USB OTG
USB OTG	-	Yes