Lava Iris 350 vs Lava Z1s

Key Specs

Battery
Battery	1400 mAh	3100 mAh
Display
Display	3.5 inches (8.89 cm)	5.0 inches (12.7 cm)
Front Camera
Front Camera	0.3 MP	2 MP
RAM
RAM	-	2 GB
Rear Camera
Rear Camera	2 MP	5 MP

Battery

Capacity
Capacity	1400 mAh	3100 mAh
Removable
Removable	-	Yes
Standby time
Standby Time	Up to 244 Hours(2G)	Up to 475 Hours(2G)
TalkTime
TalkTime	Up to 10.4 Hours(3G) / Up to 11.5 Hours(2G)	Up to 36 Hours(4G)
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	-	No

Camera

Camera Setup
Camera Setup	Single	-
Flash
Flash	Yes, LED Flash	-
Image Resolution
Image Resolution	1600 x 1200 Pixels	-
Resolution
Resolution	0.3 MP, Primary Camera	-

Design

Colours
Colours	Black, White	Blue, Cyan
Height
Height	113.45 mm	146.5 mm
Thickness
Thickness	12.4 mm	10.4 mm
Weight
Weight	110 grams	187 grams
Width
Width	60.5 mm	73 mm

Display

Display Type
Display Type	LCD	IPS LCD
Pixel Density
Pixel Density	165 ppi	351 ppi
Resolution
Resolution	-	720x1600 px (HD+)
Screen Size
Screen Size	3.5 inches (8.89 cm)	5.0 inches (12.7 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	53.14 %	56.44 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Resolution
Resolution	-	2 MP, Primary Camera

General

Brand
Brand	Lava	Lava
Launch Date
Launch Date	January 23, 2015 (Official)	January 6, 2022 (Official)
Operating System
Operating System	Android v4.4.2 (Kitkat)	Android v11

Main Camera

Camera Features
Camera Features	-	Digital Zoom
Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes, LED Flash
Image Resolution
Image Resolution	-	2592 x 1944 Pixels
Resolution
Resolution	-	5 MP, Primary Camera(1.12" sensor size)
Shooting Modes
Shooting Modes	-	High Dynamic Range mode (HDR)
Video Recording
Video Recording	-	1280x720 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, v2.1	Yes, v4.2
GPS
GPS	Yes with A-GPS	Yes with A-GPS
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 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available	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
SIM 2
SIM 2	2G Bands: GSM 1800 / 900 MHz	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
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	microUSB 2.0	Mass storage device, USB charging, microUSB
VoLTE
VoLTE	-	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi Features
Wi-Fi Features	-	Mobile Hotspot

Performance

CPU
CPU	1 GHz	Octa core, 1.6 GHz
Ram
RAM	256 MB	-

Sensors

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

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 256 GB
Internal Memory
Internal Memory	512 MB	16 GB
USB OTG
USB OTG	-	Yes