Lava Z66 vs Samsung Galaxy A03s

Key Specs

Battery
Battery	3950 mAh	5000 mAh
Display
Display	6.08 inches (15.44 cm)	6.5 inches (16.51 cm)
Front Camera
Front Camera	13 MP	5 MP
Processor
Processor	-	MediaTek Helio P35
RAM
RAM	3 GB	3 GB
Rear Camera
Rear Camera	13 MP + 5 MP	13 MP + 2 MP + 2 MP

Battery

Capacity
Capacity	3950 mAh	5000 mAh
Removable
Removable	No	No
TalkTime
TalkTime	Up to 16 Hours(3G) / Up to 38 Hours(2G)	-
Type
Type	Li-Polymer	Li-ion
USB Type-C
USB Type-C	No	Yes

Design

Colours
Colours	Midnight Blue, Marine Blue, Berry Red	Black, Blue, White
Height
Height	155.6 mm	164.2 mm
Thickness
Thickness	8.8 mm	9.1 mm
Weight
Weight	162 grams	196 grams Below
Width
Width	73.5 mm	75.9 mm

Display

Aspect Ratio
Aspect Ratio	19:9	20:9
Bezel-less display
Bezel-less display	Yes with waterdrop notch	Yes with notch
Display Type
Display Type	IPS LCD	PLS TFT LCD
Pixel Density
Pixel Density	283 ppi	270 ppi
Refresh Rate
Refresh Rate	-	60 Hz
Resolution
Resolution	720x1560 px (HD+)	720x1600 px (HD+)
Screen Size
Screen Size	6.08 inches (15.44 cm)	6.5 inches (16.51 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	79.17 %	81.85 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
Autofocus	-	No
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, Screen flash	No
Resolution
Resolution	13 MP f/2.2, Primary Camera(1.12µm pixel size)	5 MP f/2.2, Primary Camera

Not sure which
mobile to buy?

General

Brand
Brand	Lava	Samsung
Custom UI
Custom UI	-	Samsung One UI
Launch Date
Launch Date	August 3, 2020 (Official)	August 18, 2021 (Official)
Operating System
Operating System	Android v10 (Q)	Android v11

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom Auto Flash Face detection Touch to focus	10 x Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	Dual	Triple
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	4128 x 3096 Pixels	4128 x 3096 Pixels
OIS
OIS	-	No
Resolution
Resolution	13 MP f/2.0, Primary Camera(1.12µm pixel size)5 MP, Depth Camera	13 MP f/2.2, Wide Angle, Primary Camera 2 MP f/2.4, Macro Camera 2 MP f/2.4, Depth Camera
Settings
Settings	Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR) Burst mode	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	1920x1080 @ 30 fps	1920x1080 @ 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, v4.2	Yes, v5.0
GPS
GPS	Yes with A-GPS, Glonass	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) / 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	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) / 800(band 20) 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) / 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	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 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	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 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 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
Architecture	-	64 bit
CPU
CPU	Octa core, 1.6 GHz	Octa core (2.3 GHz, Quad core, Cortex A53 + 1.8 GHz, Quad core, Cortex A53)
Chipset
Chipset	-	MediaTek Helio P35
Fabrication
Fabrication	-	12 nm
Graphics
Graphics	-	PowerVR GE8320
RAM type
RAM Type	LPDDR4	-

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	Rear	Side
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 1 TB
Internal Memory
Internal Memory	32 GB	32 GB
USB OTG
USB OTG	Yes	Yes
User Available Storage
User Available Storage	-	Up to 18.8 GB