Phone Comparison - Karbonn A15 vs Karbonn A21

Karbonn A15
karbonn a15
Karbonn A21
karbonn a21
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general General Info

Manufacturer Karbonn Karbonn
Announced 2012 2012
Status Available Available
Colors Black Pearl White
Form Factor Candybar Candybar
Dimension - -
Weight - -
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.0 (Ice Cream Sandwich)
Processor 1 GHz [Similar] Dual-core 1.2 GHz [Similar]
GPU - -
RAM 512 MB [Browse Similar] 512 MB [Browse Similar]
Internal Memory 4 GB (2.5 GB user available) 4 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT touchscreen TFT capacitive touchscreen
Colors TFT touchscreen 256K colors
Size 4.0 inches [Similar] 4.5 inches [Similar]
Resolution 480 x 800 pixels (233 ppi) [Similar] 480 x 800 pixels (207 ppi) [Similar]
Screen-to-Body Ratio - -
Multi-Touch yes yes

multimedia Multimedia

3.5mm Jack yes yes
Radio FM radio No
Games Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 3.15 MP, 2048x1536 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
Flash No LED flash
Features Geo-tagging, Face Detection Auto focus, Geo-tagging, Face Detection
Video Yes Yes
Front Camera Yes [Similar] Yes, 1.3 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSDPA, 7.2 Mbps HSDPA, 7.2 Mbps
Bluetooth Yes, with A2DP Yes, v2.1 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n
USB Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML

memory User Memory

Internal 4 GB (2.5 GB user available), 512 MB RAM 4 GB, 512 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor not present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery
Capacity 1420 mAh 1800 mAh
Stand by Up to 150 h Up to 200 h
Talk Time - Up to 5 h