Karbonn K550 vs Riviera Mobile R21

Comparing the Karbonn K550 vs Riviera Mobile R21 across display, camera, battery and storage to help determine the better smartphone.

Here is the summary of the results:

Display: Both Karbonn K550 and Riviera Mobile R21 offer the same screen size of 2 inches.

Rear Camera: Riviera Mobile R21 offers a higher rear camera resolution with 3.2 MP, while Karbonn K550 offers 0.3 MP, making Riviera Mobile R21 better for rear camera photography.

Battery: Riviera Mobile R21 offers a higher battery capacity with 950 mAh, while Karbonn K550 offers 1800 mAh, making Riviera Mobile R21 better for longer battery life.

Storage: Karbonn K550 offers higher internal storage with 2 GB, while Riviera Mobile R21 offers 1 GB, making Karbonn K550 the better option for storage.

Karbonn K550

(Discontinued)

Riviera Mobile R21

(Discontinued)

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Summary

Release Date

01 Aug, 2009

03 Jan, 2011

User Feedback

Performance

RAM

N/A

256 MB

Display

Display Type

LCD

N/A

Screen Size

2 inches (5.08 cm)

Resolution

176x220 px

Pixel Density

141 ppi

Screen to Body Ratio (calculated)

25.07 %

21.53 %

Design

Height

108 mm

101.5 mm

Width

46.5 mm

57.6 mm

Thickness

16.35 mm

11.50 mm

Weight

N/A

230 grams

Rear Camera

Resolution

0.3 MP
Primary Camera

3.2 MP
Primary Camera

Flash

Yes

Camera Features

Digital Zoom

Digital Zoom
Smile detection

Front Camera

Resolution

N/A	0.3 MP Front Camera

Battery

Capacity

1800 mAh

950 mAh

Battery Type

Li-ion

TalkTime

Up to 8(2G)

Up to 3.83(2G)

Storage

Internal Storage

2 MB

1 GB

Expandable Storage

Yes Up to 4 GB

Yes Up to 8 GB

Network & Connectivity

SIM Slot(s)

Dual SIM

Network Support

5G Not Supported

Wi-Fi

Yes Wi-Fi

Bluetooth

Yes

Multimedia

Music

Yes Music Formats: Yes One Touch Music Player Music Formats : MP3 MIDI AMR AAC and WAV (Wolfson codec) with 3.5mm Ear Jack

Yes Music Formats: Yes MP3 Player Sound Recording with AMR WAV Yamaha Audio Speaker

Sensors

Games

Embedded games

N/A

Java

Yes

Browser

Yes

Phone Book

Yes 1000 Entries

Yes 1000 Entries with Call Black List

SMS

Yes SMS Storage 1000

MMS

Yes

Other Facilities

Charging time 5 Hrs Back light of keypad : Blue Wallpaper download Ringtone download Hands-free mode Vibrate mode EMS STK Screen saver Wallpaper Power on/off animation Graphic icons Caller ID WWW FM / Voice Recorder CLID with Photo Call Conference Caller group Closed User Group Power Saver Predictive text Languages : English Calculator Alarm clock Stop Watch World Times Speed Dialing To Do List Ringtone composer Voice recorder Currency converter Health Management Image Format : JPG BMP GIF PC Sync Built-in data/fax Modem

Calendar calculator alarm call waiting speed dial auto redial ems metallic body