Asus Zenfone 4 vs Lava O2

Key Specs

Battery
1600 mAh	5000 mAh
Display
4.0 inches (10.16 cm)	6.5 inches (16.51 cm)
Front Camera
0.3 MP	8 MP
Processor
Intel Atom Z2520	Unisoc T616
RAM
1 GB	8 GB
Rear Camera
5 MP	50 MP

Battery

Capacity
1600 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-Polymer	Li-Polymer
USB Type-C
No	Yes

Design

Colours
Black, Blue, Red, White, Yellow	Imperial Green, Majestic Purple, Royal Gold
Height
124.4 mm	165 mm
Thickness
12.3 mm	8.7 mm
Weight
120 grams	200 grams Below
Width
61.4 mm	76.1 mm

Display

Aspect Ratio
-	20:9
Bezel-less display
-	Yes with punch-hole display
Display Type
TFT	IPS LCD
Pixel Density
233 ppi	270 ppi
Refresh Rate
-	90 Hz
Resolution
480x800 px	720x1600 px (HD+)
Screen Protection
Corning Gorilla Glass v3	-
Screen Size
4.0 inches (10.16 cm)	6.5 inches (16.51 cm)
Screen to Body Ratio (calculated)
59.62 %	81.24 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

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

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General

Brand
Asus	Lava
Launch Date
July 14, 2014 (Official)	March 27, 2024 (Official)
Operating System
Android v4.1 (Jelly Bean)	Android v13

Main Camera

Autofocus
Yes	Yes
Camera Features
Digital Zoom	Digital Zoom Auto Flash Face detection Filters Touch to focus
Camera Setup
Single	Dual
Flash
-	Yes, LED Flash
Image Resolution
2592 x 1944 Pixels	8150 x 6150 Pixels
Resolution
5 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	1920x1080 @ 30 fps

Multimedia

Audio Jack
3.5 mm	3.5 mm
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
USB 2.0, Mass storage device, USB charging, 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
Wi-Fi Direct, Mobile Hotspot	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
LPDDR2	LPDDR4X

Sensors

Fingerprint Sensor
No	Yes
Fingerprint Sensor Position
-	Side
Other Sensors
Proximity sensor, Accelerometer	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	Yes