Lava O2 vs Lenovo A7700

Key Specs

Battery
5000 mAh	2900 mAh
Display
6.5 inches (16.51 cm)	5.5 inches (13.97 cm)
Front Camera
8 MP	2 MP
Processor
Unisoc T616	MediaTek MT6735P
RAM
8 GB	2 GB
Rear Camera
50 MP	8 MP

Battery

Capacity
5000 mAh	2900 mAh
Quick Charging
Yes, Fast, 18W	-
Removable
No	Yes
Standby Time
Up to 500 Hours(2G)	Up to 240 Hours(2G)
Standby time
Up to 500 Hours(2G)	Up to 240 Hours(2G)
TalkTime
Up to 38 Hours(4G)	Up to 24 Hours(2G)
Type
Li-Polymer	Li-Polymer
USB Type-C
Yes	No

Design

Colours
Imperial Green, Majestic Purple, Royal Gold	Matte White,Matte Black
Height
165 mm	152 mm
Thickness
8.7 mm	8.5 mm
Weight
200 grams Below	155 grams
Width
76.1 mm	76.2 mm

Display

Aspect Ratio
20:9	-
Bezel-less display
Yes with punch-hole display	-
Display Type
IPS LCD	IPS LCD
Pixel Density
270 ppi	267 ppi
Refresh Rate
90 Hz	-
Resolution
720x1600 px (HD+)	720x1280 px (HD)
Screen Size
6.5 inches (16.51 cm)	5.5 inches (13.97 cm)
Screen to Body Ratio (calculated)
81.24 %	71.83 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
-	No
Camera Setup
Single	-
Flash
Yes, Screen flash	No
Resolution
8 MP, Primary Camera	2 MP, Primary Camera

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General

Brand
Lava	Lenovo
Custom UI
-	VIBE UI
Launch Date
March 27, 2024 (Official)	September 27, 2016 (Official)
Operating System
Android v13	Android v6.0 (Marshmallow)

Main Camera

Autofocus
Yes	Yes
Camera Features
Digital Zoom Auto Flash Face detection Filters Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Dual	Single
Flash
Yes, LED Flash	Yes, Dual LED Flash
Image Resolution
8150 x 6150 Pixels	3264 x 2448 Pixels
Resolution
50 MP, Wide Angle, Primary Camera	8 MP, Primary Camera
Settings
Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Continuous Shooting Burst mode	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
1920x1080 @ 30 fps	-

Multimedia

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

Network & Connectivity

Bluetooth
Yes, v5.0	Yes, v4.0
GPS
Yes with A-GPS	Yes with A-GPS
NFC
No	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) / 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 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
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	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz
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 2.0
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 5 (802.11 b/g/n/ac)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Mobile Hotspot	Mobile Hotspot

Performance

Architecture
64 bit	64 bit
CPU
Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)	Quad core, 1 GHz, Cortex A53
Chipset
Unisoc T616	MediaTek MT6735P
Fabrication
12 nm	-
Graphics
Mali-G57	Mali-T720 MP2
RAM
8 GB	2 GB
RAM Type
LPDDR4X	-
RAM type
LPDDR4X	-

Sensors

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

Storage

Expandable Memory
Yes, Up to 512 GB	Yes, Up to 32 GB
Internal Memory
128 GB	16 GB
Storage Type
UFS 2.2	-
USB OTG
Yes	-