O2 XDA Comet vs Karbonn A21

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Comparing the O2 XDA Comet vs Karbonn A21 across camera and storage to help determine the better smartphone.

Here is the summary of the results:

Rear Camera: Karbonn A21 offers a higher rear camera resolution with 5 MP, while O2 XDA Comet offers 2 MP, making Karbonn A21 better for rear camera photography.


Storage: Karbonn A21 offers higher internal storage with 4 GB, while O2 XDA Comet offers 1 GB, making Karbonn A21 the better option for storage.

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O2 XDA Comet
(Discontinued)
Karbonn A21
₹9,899
(Out of Stock)
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Summary

Spec Score

N/A
52%

Release Date

01 Sep, 2007
11 Oct, 2012

Performance

N/A
N/A
Snapdragon S4 Play
N/A
(upto 1.2 GHz)
64 MB RAM
512 MB RAM

Display

N/A
N/A
4.5 inches (11.43 cm)
LCD
TFT
320.00x 320 pixels, 2.7 inches px
480x800 px

Rear Camera

N/A
2 MP
Primary Camera
5 MP
Primary Camera

Front Camera

N/A
N/A
1.3 MP

Battery

N/A
N/A
1800 mAh

Storage

1 GB
4 GB

User Ratings

N/A
3.8/5
(316 ratings)

User Feedback

General

Launch Date

N/A
Oct 11, 2012
(Official)

Operating System

N/A
Android v4 (Ice Cream Sandwich)

Performance

Performance Rating

N/A
Poor

Chipset

N/A
Qualcomm Snapdragon S4 Play MSM8225

Processor

N/A
Dual core, 1.2 GHz, Cortex A5

Graphics (GPU)

N/A
Adreno 203

RAM

64 MB
512 MB

Display

Display Rating

N/A
Very Good

Display Type

LCD
TFT

Screen Size

N/A
4.5 inches  (11.43 cm)

Resolution

320.00x 320 pixels 2.7 inches px
480x800 px

Pixel Density

N/A
207 ppi

Screen to Body Ratio (calculated)

N/A
84.98 %

Design

Height

106.00 mm
112 mm

Width

58.00 mm
60.5 mm

Thickness

19.00 mm
11.5 mm

Weight

113 grams
104 grams

Rear Camera

Rear Camera Rating

N/A
Below Avg

Resolution

2 MP
Primary Camera
5 MP
Primary Camera

Autofocus

Yes
Yes

Flash

N/A
Yes LED Flash

Image Resolution

N/A
2592 x 1944 Pixels

Camera Features

Digital Zoom
Digital Zoom

Video Recording

640x480
1600x1200
N/A

Front Camera

Front Camera Rating

N/A
Poor

Resolution

N/A
1.3 MP
Primary Camera

Battery

Battery Rating

N/A
Very Good

Capacity

N/A
1800 mAh

Battery Type

N/A
Li-ion

TalkTime

Up to 6(2G)
Up to 5 Hours(2G)

Storage

Internal Storage

1 GB
4 GB

Expandable Storage

Yes
Yes Up to 32 GB

Network & Connectivity

SIM Slot(s)

Single SIM
Dual SIM

Network Support

5G Not Supported
5G Not Supported

Wi-Fi

Yes Wi-Fi 3 (802.11 b/g)
Yes Wi-Fi 4 (802.11 b/g/n)

Bluetooth

Yes v1.2
Yes v2.1

GPS

N/A
Yes

Multimedia

Audio Jack

N/A
3.5 mm

Music

Yes Music Formats: Yes MP3/AAC player
N/A

Sensors

Other Sensors

N/A
Accelerometer

Java

Yes MIDP 2.0
N/A

Browser

Yes
N/A

Other Facilities

facilities
N/A