Karbonn K21 vs Micromax A90S

Comparing the Karbonn K21 vs Micromax A90S across display, camera, battery and storage to help determine the better smartphone.

Here is the summary of the results:

Display: Micromax A90S offers a screen size of 4.3 inches, while Karbonn K21 offers 2.2 inches, making Micromax A90S the larger display of the two. Micromax A90S features a Super AMOLED display compared to Karbonn K21's LCD, making Micromax A90S the better display of the two.

Rear Camera: Micromax A90S offers a higher rear camera resolution with 8 MP, while Karbonn K21 offers 0.3 MP, making Micromax A90S better for rear camera photography.

Battery: Micromax A90S offers a higher battery capacity with 1600 mAh, while Karbonn K21 offers 1000 mAh, making Micromax A90S better for longer battery life.

Storage: Micromax A90S offers higher internal storage with 4 GB, while Karbonn K21 offers 123 GB, making Micromax A90S the better option for storage.

Karbonn K21

₹2,385

(Discontinued)

Micromax A90S

₹2,797

(Discontinued)

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Summary

Release Date

21 Dec, 2011

N/A

User Ratings

N/A	4.2/5 (308 ratings)

User Feedback

General

Operating System

N/A	Android v4 (Ice Cream Sandwich)

Performance

Chipset

N/A

MediaTek

Processor

N/A	Dual core, 1 GHz

Graphics (GPU)

N/A	PowerVR SGX 531 Ultra

RAM

N/A

512 MB

Display

Display Type

LCD	Super AMOLED

Screen Size

2.2 inches (5.59 cm)

4.3 inches (10.92 cm)

Resolution

176x220 px

800x480 px (HD)

Pixel Density

128 ppi

217 ppi

Screen to Body Ratio (calculated)

28.88 %

61.88 %

Design

Height

111.5 mm

127.2 mm

Width

47.3 mm

66.8 mm

Thickness

14.30 mm

9.80 mm

Weight

80 grams

118.4 grams

Rear Camera

Resolution

0.3 MP
Primary Camera

8 MP
Primary Camera

Autofocus

N/A

Yes

Flash

Yes	Yes Flash LED Flash

Image Resolution

N/A	3264 x 2448 Pixels

Shooting Modes

Continuous Shooting

Camera Features

Digital Zoom
Smile detection

Front Camera

Resolution

N/A	0.3 MP Primary Camera

Camera Features

N/A	Fixed Focus

Battery

Capacity

1000 mAh

1600 mAh

Battery Type

Li-ion

TalkTime

Up to 3(2G)

Up to 4(3G) / Up to 5(2G)

Storage

Internal Storage

123 KB

4 GB

Expandable Storage

Yes Up to 4 GB

Yes Up to 32 GB

Network & Connectivity

SIM Slot(s)

Dual SIM

Network Support

5G Not Supported

Wi-Fi

No	Yes Wi-Fi 4 (802.11 b/g/n)

Bluetooth

Yes

Yes v4

GPS

N/A

Yes

Multimedia

Music

Yes Music Formats: Yes Music Formats : MP3 MIDI AMR WAV Big Speaker for Loud Music with Hot Key 3.5mm Audio Jack

N/A

Sensors

Other Sensors

N/A	Accelerometer

Games

Embedded Games

N/A

Java

N/A

Browser

Yes

N/A

Phone Book

Yes 500 Entries+ SIM 1 + SIM2

N/A

SMS

Yes SMS Storage 200 + SIM1 + SIM2

N/A

MMS

Yes Depend on T-Flash Card Capacity

N/A

Other Facilities

EMS STK Power on/off animation Voice codecs : WAV AMR Calculator Alarm clock Stop Watch World Times Speed Dialing

N/A

Applications

N/A	TOI Mi Store Widgets Gmail Google Apps Tray