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Micromax A51 Bolt vs Karbonn A15

General Info

Manufacturer
Micromax Karbonn
Announced
March 2013 2012
Status
Available - April 2013 Available
Colors
Black, White Black
Form Factor
Candybar Candybar
Dimension
118.5 x 62.5 x 12.8 mm
(4.67 x 2.46 x 0.5 in)
-
Weight
118 g (4.16 oz) -
2G Network
GSM 900 / 1800 / 2100 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 900 / 2100 - SIM 1 Only HSDPA 2100
Messaging
SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

Display

Type
TFT capacitive touchscreen TFT touchscreen
Colors
262K colors TFT touchscreen
Size
3.5 inches [Similar] 4.0 inches [Similar]
Resolution
320 x 480 pixels (165 ppi) 480 x 800 pixels (233 ppi) [Similar]
Screen-to-Body Ratio
49.15% -
Multi-Touch

Hardware and OS

OS
Android OS, v2.3.7 (Gingerbread) Android OS, v4.0.4 (Ice Cream Sandwich)
Processor
832 MHz, brcm_21552 [Similar] 1 GHz [Similar]
GPU
- -
RAM
256 MB [Browse Similar] 512 MB [Browse Similar]
Internal Memory
512 MB ROM 4 GB (2.5 GB user available)
External Memory
microSD, up to 32 GB microSD, up to 32 GB

Camera

Rear Camera
2 MP, 1600x1200 pixels [Similar] 3.15 MP, 2048x1536 pixels [Similar]
Flash
No No
Features
- Geo-tagging, Face Detection
Video
Yes, 640 x 480 Yes
Front Camera
Yes, 0.3 MP [Similar] Yes [Similar]

Multimedia

3.5mm Jack
Radio
Stereo FM radio FM radio
Games
Yes + Downloadable Yes + Downloadable
Loud Speaker

Connectivity and Data Rate

GPRS
Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes
Edge
Yes Yes
3G
HSDPA, HSUPA HSDPA, 7.2 Mbps
Bluetooth
Yes, v3.0 with A2DP Yes, 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

User Memory

Internal
512 MB ROM, 256 MB RAM 4 GB (2.5 GB user available), 512 MB RAM
Expandable Storage
microSD, up to 32 GB microSD, up to 32 GB

Sensors

Fingerprint
Proximity Sensor
Accelerometer Sensor
NFC

Battery

Type
Li-Ion Battery Li-Ion Battery
Capacity
1500 mAh 1420 mAh
Stand by
Up to 140 h Up to 150 h
Talk Time
Up to 4 h 30 min -
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