Karbonn K31 Star vs Reliance Jio Bharat B2

Comparing the Karbonn K31 Star vs Reliance Jio Bharat B2 across display, camera and battery to help determine the better smartphone.

Here is the summary of the results:

Display: Both Karbonn K31 Star and Reliance Jio Bharat B2 offer the same screen size of 2.4 inches and feature the same TFT display.

Rear Camera: Both Karbonn K31 Star and Reliance Jio Bharat B2 feature a 0.3 MP primary rear camera.

Battery: Reliance Jio Bharat B2 offers a higher battery capacity with 2000 mAh, while Karbonn K31 Star offers 1800 mAh, making Reliance Jio Bharat B2 better for longer battery life.

Karbonn K31 Star

₹1,199

(Out of Stock)

Reliance Jio Bharat B2

₹1,399

@ Amazon

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Show Only Differences

Summary

Release Date

27 Dec, 2021

16 Jul, 2024

Display

2.4 inches (6.1 cm)	2.4 inches (6.1 cm)
TFT	TFT
240x320 px	240x320 px

Rear Camera

0.3 MP

Primary Camera

0.3 MP

Primary Camera

Battery

1800 mAh

2000 mAh

User Ratings

3.8/5

(265 ratings)

N/A

Compare Prices

Not Available in any store

₹1,399

@ Amazon

User Feedback

General

Launch Date

Dec 27, 2021

(Official)

Jul 16, 2024

(Official)

Operating System

N/A

RTOS

Display

Display Type

TFT

Screen Size

2.4 inches (6.1 cm)

Resolution

240x320 px

Pixel Density

167 ppi

Rear Camera

Resolution

0.3 MP
Primary Camera

Flash

Image Resolution

640 x 480 Pixels

Camera Features

Digital Zoom

Battery

Capacity

1800 mAh

2000 mAh

Battery Type

Li-ion

Storage

Expandable Storage

Yes Up to 32 GB

Yes Up to 128 GB

Network & Connectivity

SIM Slot(s)

Dual SIM

Single SIM

SIM Type

N/A	SIM1: Nano

Network Support

5G Not Supported

5G Not Supported 4G

VoLTE

N/A

Yes

SIM 1

N/A	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) / 850(band 5)

Bluetooth

Yes

Yes v5.0

Multimedia

Audio Jack

3.5 mm

Video Player

Yes Video Formats: 3GP

N/A

Ring Tone

Polyphonic ringtones Vibration

Music ringtones Vibration

Music

Yes Music Formats: MP3

Yes Music Formats: AAC AAC+ AMR MIDI MP3 WAV WMA

Special Features

Torch Light Multi Languages

Sensors

Fingerprint Sensor

N/A

Games

Yes

Browser

N/A

Yes HTML

Phone Book

Yes Limited

Yes Practically Unlimited

Other Facilities

Calculator Calendar Alarm

N/A

Compare Prices

Not Available in any store

₹1,399

@ Amazon