Asus Zenfone C Zc451cg vs Lava O2

Key Specs

Battery
2100 mAh	5000 mAh
Display
4.5 inches (11.43 cm)	6.5 inches (16.51 cm)
Front Camera
0.3 MP	8 MP
Processor
Intel Atom Z2520	Unisoc T616
RAM
-	8 GB
Rear Camera
5 MP	50 MP

Battery

Capacity
2100 mAh	5000 mAh
Quick Charging
-	Yes, Fast, 18W
Removable
-	No
Standby time
-	Up to 500 Hours(2G)
TalkTime
-	Up to 38 Hours(4G)
Type
Li-ion	Li-Polymer
USB Type-C
-	Yes

Camera

Autofocus
Yes	-
Camera Features
Digital Zoom	-
Camera Setup
Single	-
Flash
Yes, LED Flash	-
Image Resolution
2592 x 1944 Pixels	-
Resolution
0.3 MP, Primary Camera	-

Design

Colours
Black	Imperial Green, Majestic Purple, Royal Gold
Height
136.5 mm	165 mm
Thickness
10.9 mm Below	8.7 mm
Weight
149 grams	200 grams Below
Width
67 mm	76.1 mm

Display

Aspect Ratio
-	20:9
Bezel-less display
-	Yes with punch-hole display
Display Type
IPS LCD	IPS LCD
Pixel Density
218 ppi	270 ppi
Refresh Rate
-	90 Hz
Resolution
-	720x1600 px (HD+)
Screen Size
4.5 inches (11.43 cm)	6.5 inches (16.51 cm)
Screen to Body Ratio (calculated)
61 %	81.24 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Camera Setup
-	Single
Flash
-	Yes, Screen flash
Resolution
-	8 MP, Primary Camera

General

Brand
Asus	Lava
Custom UI
Zen UI	-
Launch Date
February 11, 2015 (Official)	March 27, 2024 (Official)
Operating System
Android v4.4.2 (Kitkat)	Android v13

Main Camera

Autofocus
-	Yes
Camera Features
-	Digital Zoom Auto Flash Face detection Filters Touch to focus
Camera Setup
-	Dual
Flash
-	Yes, LED Flash
Image Resolution
-	8150 x 6150 Pixels
Resolution
-	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	Yes
Fm Radio
Yes	-
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v4.0	Yes, v5.0
GPS
Yes with A-GPS, Glonass	Yes with A-GPS
NFC
-	No
Network Support
5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ 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
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	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: Micro	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
microUSB 2.0	Mass storage device, USB charging
VoLTE
-	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

Performance

Architecture
32 bit	64 bit
CPU
Dual core, 1.2 GHz, Intel Atom	Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Chipset
Intel Atom Z2520	Unisoc T616
Fabrication
-	12 nm
Graphics
PowerVR SGX 544MP2	Mali-G57
RAM type
-	LPDDR4X
Ram
1 GB	-

Sensors

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

Storage

Expandable Memory
Yes, Up to 64 GB	Yes, Up to 512 GB
Internal Memory
8 GB	128 GB
Storage Type
-	UFS 2.2
USB OTG
-	Yes