Coolpad D21 vs Karbonn K9

Comparing the Coolpad D21 vs Karbonn K9 across display and battery to help determine the better smartphone.

Here is the summary of the results:

Display: Karbonn K9 offers a screen size of 2.4 inches, while Coolpad D21 offers 2.2 inches, making Karbonn K9 the larger display of the two. Both Coolpad D21 and Karbonn K9 feature the same LCD display.

Battery: Coolpad D21 offers a higher battery capacity with 2000 mAh, while Karbonn K9 offers 1800 mAh, making Coolpad D21 better for longer battery life.

Coolpad D21

(Discontinued)

Karbonn K9

₹1,286

@ Flipkart

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Summary

Release Date

N/A	01 Jun, 2011

User Ratings

N/A	4/5 (17,075 ratings)

Compare Prices

Not Available in any store

₹1,286

@ Flipkart

User Feedback

General

Launch Date

N/A	Jun 01, 2011 (Official)

Performance

RAM

N/A

32 MB

Display

Display Type

LCD

Screen Size

2.2 inches (5.59 cm)

2.4 inches (6.1 cm)

Resolution

N/A	240x320 px

Pixel Density

N/A

167 ppi

Screen to Body Ratio (calculated)

N/A

31.02 %

Display Colour

N/A

262k

Design

Height

N/A

115 mm

Width

N/A

50 mm

Thickness

N/A

15.50 mm

Weight

N/A

112 grams

Rear Camera

Resolution

N/A	1.3 MP Primary Camera

Camera Features

N/A	Digital Zoom

Battery

Capacity

2000 mAh

1800 mAh

Battery Type

Li-ion

TalkTime

N/A	Up to 6 Hours(2G)

Storage

Internal Storage

N/A

128 MB

Expandable Storage

Yes Up to 2 GB

Yes Up to 16 GB

Network & Connectivity

SIM Slot(s)

Single SIM

Dual SIM

SIM Type

N/A	SIM1: Mini SIM2: Mini

Network Support

5G Not Supported

Wi-Fi

Bluetooth

Yes

Multimedia

Audio Jack

N/A

3.5 mm

Ring Tone

N/A	Music ringtones Polyphonic ringtones Vibration

Music

Yes Music Formats: Yes MP3 player

Yes Music Formats: MP3

Sensors

Games

N/A	Yes Embedded Games

Java

N/A

Browser

Yes

Yes WAP

Phone Book

1000 Entries

Yes 1000 Entries Limited

SMS

N/A	Yes SMS Storage 500

MMS

100	Yes 100 Entries

Other Facilities

Alarm Clock Calendar Calculator Memo Handwriting Recognition Software Wallpaper Text input predictive software.

Wallpaper download STK Wallpaper Caller ID Call Conference Caller group Anti Theft Feature Predictive text Calculator Calculator Stop Watch World Times Speed Dialing Organizer Currency converter Health Management Image Format : JPG BMP GIF

Compare Prices

Not Available in any store

₹1,286

@ Flipkart