Karbonn K380
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Ultra U21
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Karbonn K380 vs Ultra U21
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Comparing the Karbonn K380 vs Ultra U21 across display and battery to help determine the better smartphone.
Here is the summary of the results:
Display: Both Karbonn K380 and Ultra U21 offer the same screen size of 1.8 inches.
Battery: Ultra U21 offers a higher battery capacity with 1050 mAh, while Karbonn K380 offers 1000 mAh, making Ultra U21 better for longer battery life.
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Karbonn K380
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✕
Ultra U21
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Add to Compare
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Summary
Release Date
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N/A
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01 Nov, 2010
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Display
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1.8 inches (4.57 cm)
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1.8 inches (4.57 cm)
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N/A
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LCD
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128x160 px
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176x220 px
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Rear Camera
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N/A
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0.3 MP
Primary Camera
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Battery
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1000 mAh
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1050 mAh
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User Ratings
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4/5
(1 rating)
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N/A
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User Feedback
Display
Display Type
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N/A
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LCD
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Screen Size
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1.8 inches (4.57 cm)
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1.8 inches (4.57 cm)
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Resolution
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128x160 px
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176x220 px
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Pixel Density
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114 ppi
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157 ppi
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Screen to Body Ratio (calculated)
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21.14 %
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20.66 %
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Design
Height
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106 mm
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105 mm
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Width
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45.5 mm
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47 mm
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Thickness
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14.00 mm
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14.00 mm
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Weight
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67.5 grams
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75 grams
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Rear Camera
Resolution
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N/A
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0.3 MP
Primary Camera |
Flash
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N/A
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Yes
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Camera Features
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N/A
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Digital Zoom
Smile detection |
Battery
Capacity
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1000 mAh
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1050 mAh
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Battery Type
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Li-ion
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Li-ion
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TalkTime
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Up to 3.33(2G)
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Up to 2.5(2G)
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Storage
Expandable Storage
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Yes
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Yes Up to 4 GB
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Network & Connectivity
SIM Slot(s)
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Dual SIM
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Dual SIM
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Network Support
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5G Not Supported
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5G Not Supported
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Wi-Fi
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No
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No
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Bluetooth
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No
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Yes
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Multimedia
Music
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Yes Music Formats: Yes One Touch Music Player Music Formats : MP3 MIDI
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Yes Music Formats: Yes One Touch Music Player Music Formats : MP3 MIDI AMR AAC WAV
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Sensors
Java
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No
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No
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Browser
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Yes
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Yes
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Phone Book
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Yes 500 Entries
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Yes 250 Entries
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SMS
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Yes
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Yes
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MMS
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Yes
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Yes
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Other Facilities
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Alarm Calender Calculator Clock
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N/A
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