I Kall Z7 vs Poco C31

Key Specs

Battery
Battery	4000 mAh	5000 mAh
Display
Display	6.26 inches (15.9 cm)	6.53 inches (16.59 cm)
Front Camera
Front Camera	8 MP	5 MP
Processor
Processor	-	MediaTek Helio G35
RAM
RAM	3 GB	3 GB
Rear Camera
Rear Camera	13 MP	13 MP + 2 MP + 2 MP

Battery

Capacity
Capacity	4000 mAh	5000 mAh
Removable
Removable	No	No
Type
Type	Li-ion	Li-Polymer
USB Type-C
USB Type-C	No	No

Design

Colours
Colours	Blue	Shadow Gray, Royal Blue
Height
Height	-	164.9 mm
Thickness
Thickness	-	9 mm
Waterproof
Waterproof	-	Yes, Splash proof
Weight
Weight	-	194 grams Below
Width
Width	-	77.1 mm

Display

Aspect Ratio
Aspect Ratio	-	20:9
Bezel-less display
Bezel-less display	Yes with notch	Yes with waterdrop notch
Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	269 ppi	269 ppi
Resolution
Resolution	720x1520 px (HD+)	720x1600 px (HD+)
Screen Protection
Screen Protection	-	Yes
Screen Size
Screen Size	6.26 inches (15.9 cm)	6.53 inches (16.59 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	-	80.97 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes, Screen flash
Resolution
Resolution	8 MP, Primary Camera	5 MP f/2.2, Primary Camera(1.12µm pixel size)
Video Recording
Video Recording	1920x1080 fps	-

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General

Brand
Brand	I Kall	POCO
Custom UI
Custom UI	-	MIUI
Launch Date
Launch Date	December 14, 2021 (Official)	October 2, 2021 (Official)
Operating System
Operating System	Android v10 (Q)	Android v10 (Q)

Main Camera

Autofocus
Autofocus	Yes	Yes, Phase Detection autofocus
Camera Features
Camera Features	Digital Zoom Auto Flash	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	Single	Triple
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	4128 x 3096 Pixels	4128 x 3096 Pixels
Resolution
Resolution	13 MP, Primary Camera	13 MP f/2.2, Primary Camera(1µm pixel size)2 MP f/2.4, Macro Camera(1.75µm pixel size)2 MP f/2.4, Depth Camera(1.75µm pixel size)
Settings
Settings	-	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	-	1920x1080 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes	Yes, v5.0
GPS
GPS	Yes with A-GPS	Yes with A-GPS, Glonass
NFC
NFC	-	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
SAR Value
SAR Value	-	Head: 0.506 W/kg, Body: 0.833 W/kg
SIM 1
SIM 1	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 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	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 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
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	Mass storage device, USB charging, microUSB	Mass storage device, USB charging, microUSB 2.0
VoLTE
VoLTE	Yes	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 a/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	Octa core, 2.3 GHz, Cortex A53
Chipset
Chipset	-	MediaTek Helio G35
Fabrication
Fabrication	-	12 nm
Graphics
Graphics	-	PowerVR GE8320
RAM type
RAM Type	-	LPDDR4X

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	Rear	Rear
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer	Light sensor, Proximity sensor, Accelerometer

Storage

Expandable Memory
Expandable Memory	Yes, Up to 128 GB	Yes, Up to 512 GB
Internal Memory
Internal Memory	32 GB	32 GB
Storage Type
Storage Type	-	eMMC 5.1
USB OTG
USB OTG	-	Yes