I Kall Z7 vs Lava O2

Key Specs

Battery
4000 mAh	5000 mAh
Display
6.26 inches (15.9 cm)	6.5 inches (16.51 cm)
Front Camera
8 MP	8 MP
Processor
-	Unisoc T616
RAM
3 GB	8 GB
Rear Camera
13 MP	50 MP

Battery

Capacity
4000 mAh	5000 mAh
Quick Charging
-	Yes, Fast, 18W
Removable
No	No
Standby time
-	Up to 500 Hours(2G)
TalkTime
-	Up to 38 Hours(4G)
Type
Li-ion	Li-Polymer
USB Type-C
No	Yes

Design

Colours
Blue	Imperial Green, Majestic Purple, Royal Gold
Height
-	165 mm
Thickness
-	8.7 mm
Weight
-	200 grams Below
Width
-	76.1 mm

Display

Aspect Ratio
-	20:9
Bezel-less display
Yes with notch	Yes with punch-hole display
Display Type
IPS LCD	IPS LCD
Pixel Density
269 ppi	270 ppi
Refresh Rate
-	90 Hz
Resolution
720x1520 px (HD+)	720x1600 px (HD+)
Screen Size
6.26 inches (15.9 cm)	6.5 inches (16.51 cm)
Screen to Body Ratio (calculated)
-	81.24 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Setup
-	Single
Flash
-	Yes, Screen flash
Resolution
8 MP, Primary Camera	8 MP, Primary Camera
Video Recording
1920x1080 fps	-

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General

Brand
I Kall	Lava
Launch Date
December 14, 2021 (Official)	March 27, 2024 (Official)
Operating System
Android v10 (Q)	Android v13

Main Camera

Autofocus
Yes	Yes
Camera Features
Digital Zoom Auto Flash	Digital Zoom Auto Flash Face detection Filters Touch to focus
Camera Setup
Single	Dual
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
4128 x 3096 Pixels	8150 x 6150 Pixels
Resolution
13 MP, Primary Camera	50 MP, Wide Angle, Primary Camera
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting Burst mode
Video Recording
-	1920x1080 @ 30 fps

Multimedia

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

Network & Connectivity

Bluetooth
Yes	Yes, v5.0
GPS
Yes with A-GPS	Yes with A-GPS
NFC
-	No
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
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 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
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 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
-	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
Mass storage device, USB charging, microUSB	Mass storage device, USB charging
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi Features
Mobile Hotspot	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
Quad core, 1.3 GHz	Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Chipset
-	Unisoc T616
Fabrication
-	12 nm
Graphics
-	Mali-G57
RAM type
-	LPDDR4X

Sensors

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

Storage

Expandable Memory
Yes, Up to 128 GB	Yes, Up to 512 GB
Internal Memory
32 GB	128 GB
Storage Type
-	UFS 2.2
USB OTG
-	Yes