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Compare Micromax A51 Bolt vs Micromax A55 vs Karbonn A1 Star vs Celkon A9 Plus

Recommended
Micromax A51 Bolt

Micromax A51 Bolt

Rs. 3,999
• Android, v2.3.7 (Gingerbread) • 3.5 inches, 320 x 480 pixels Display • 832 MHz Processor • 256 MB RAM
Micromax A55

Micromax A55

Price Not Available
• Android, v2.2 (Froyo) • 2.8 inches, 240 x 320 pixels Display • 600 MHz Processor
Karbonn A1 Star

Karbonn A1 Star

Rs. 3,341
• Android, 4.0 (Ice Cream Sandwich) • 3.5 inches, 480 x 320 pixels Display • 1 GHz Processor • 256 MB RAM
Celkon A9 Plus

Celkon A9 Plus

Rs. 3,346
• Android, v4.0 (Ice Cream Sandwich) • 3.5 inches, 320 x 480 pixels Display • 1 GHz Processor • 256 MB RAM
Reasons to choose
Decide on the basis of these factors which device to buy. Find unique features that make the device stand out of the rest under comparision.

Higher internal memory
Micromax A51 Bolt 512 MB
Micromax A55 150 MB
Karbonn A1 Star 512 MB
Celkon A9 Plus 512 MB

Around 241% higher internal memory than Micromax A55. With more internal memory install more applications and store more contacts, messages, emails, songs, videos and photos on your device.

Bigger Screen
Micromax A51 Bolt 3.5 Inch
Micromax A55 2.8 Inch
Karbonn A1 Star 3.5 Inch
Celkon A9 Plus 3.5 Inch

Around 25% bigger screen size than Micromax A55. Bigger screens are easier on the eyes and ensure better interaction with the phone and its applications.

Higher screen resolution
Micromax A51 Bolt 320 x 480 Pixel
Micromax A55 240 x 320 Pixel
Karbonn A1 Star 480 x 320 Pixel
Celkon A9 Plus 320 x 480 Pixel

Around 100% higher screen resolution than Micromax A55. Get sharper images, videos and text with high resolution screens.

Highest Battery Capacity
Micromax A51 Bolt 1500 mAh
Micromax A55 1000 mAh
Karbonn A1 Star 1450 mAh
Celkon A9 Plus 1350 mAh

Around 50% higher battery capacity than Micromax A55. The higher the battery capacity, the longer the battery will last.

Supports 3G
Micromax A51 Bolt yes
Micromax A55 yes
Karbonn A1 Star No
Celkon A9 Plus No

Get more download speed, faster access to internet and high degree of connectivity.

Has front camera
Micromax A51 Bolt yes
Micromax A55 No
Karbonn A1 Star yes
Celkon A9 Plus yes

Take your own photos and do videocalling

Supports dual sim
Micromax A51 Bolt yes
Micromax A55 No
Karbonn A1 Star yes
Celkon A9 Plus yes

Use two services with a single phone without switching between multiple devices.

Highest Camera Resolution
Micromax A51 Bolt 2 mp
Micromax A55 3.15 mp
Karbonn A1 Star 3 mp
Celkon A9 Plus 2 mp

Around 58% higher camera resolution than Celkon A9 Plus. Get high quality, sharp and clear photos with high resolution camera phone.

Lightest
Micromax A51 Bolt 118 Grams
Micromax A55 111.5 Grams

Around 6% lighter than Micromax A51 Bolt. Light mobiles are easy to handle and carry around.

Supports 3G
Micromax A51 Bolt yes
Micromax A55 yes
Karbonn A1 Star No
Celkon A9 Plus No

Get more download speed, faster access to internet and high degree of connectivity.

Supports GPS
Micromax A51 Bolt No
Micromax A55 yes
Karbonn A1 Star No
Celkon A9 Plus No

With a GPS enabled phone, get directions to a place, track your location, geotag your content to share with the world through various mobile applications and get automatic location based updates as per your choice.

Faster Processor
Micromax A51 Bolt 832 MHz
Micromax A55 600 MHz
Karbonn A1 Star 1 GHz
Celkon A9 Plus 1 GHz

Around 71% faster processor speed than Micromax A55. Fast processor delivers better performance with quick background processing and faster turnaround time in running apps.

Higher internal memory
Micromax A51 Bolt 512 MB
Micromax A55 150 MB
Karbonn A1 Star 512 MB
Celkon A9 Plus 512 MB

Around 241% higher internal memory than Micromax A55. With more internal memory install more applications and store more contacts, messages, emails, songs, videos and photos on your device.

Bigger Screen
Micromax A51 Bolt 3.5 Inch
Micromax A55 2.8 Inch
Karbonn A1 Star 3.5 Inch
Celkon A9 Plus 3.5 Inch

Around 25% bigger screen size than Micromax A55. Bigger screens are easier on the eyes and ensure better interaction with the phone and its applications.

Higher screen resolution
Micromax A51 Bolt 320 x 480 Pixel
Micromax A55 240 x 320 Pixel
Karbonn A1 Star 480 x 320 Pixel
Celkon A9 Plus 320 x 480 Pixel

Around 100% higher screen resolution than Micromax A55. Get sharper images, videos and text with high resolution screens.

Has front camera
Micromax A51 Bolt yes
Micromax A55 No
Karbonn A1 Star yes
Celkon A9 Plus yes

Take your own photos and do videocalling

Supports dual sim
Micromax A51 Bolt yes
Micromax A55 No
Karbonn A1 Star yes
Celkon A9 Plus yes

Use two services with a single phone without switching between multiple devices.

Faster Processor
Micromax A51 Bolt 832 MHz
Micromax A55 600 MHz
Karbonn A1 Star 1 GHz
Celkon A9 Plus 1 GHz

Around 71% faster processor speed than Micromax A55. Fast processor delivers better performance with quick background processing and faster turnaround time in running apps.

Higher internal memory
Micromax A51 Bolt 512 MB
Micromax A55 150 MB
Karbonn A1 Star 512 MB
Celkon A9 Plus 512 MB

Around 241% higher internal memory than Micromax A55. With more internal memory install more applications and store more contacts, messages, emails, songs, videos and photos on your device.

Bigger Screen
Micromax A51 Bolt 3.5 Inch
Micromax A55 2.8 Inch
Karbonn A1 Star 3.5 Inch
Celkon A9 Plus 3.5 Inch

Around 25% bigger screen size than Micromax A55. Bigger screens are easier on the eyes and ensure better interaction with the phone and its applications.

Higher screen resolution
Micromax A51 Bolt 320 x 480 Pixel
Micromax A55 240 x 320 Pixel
Karbonn A1 Star 480 x 320 Pixel
Celkon A9 Plus 320 x 480 Pixel

Around 100% higher screen resolution than Micromax A55. Get sharper images, videos and text with high resolution screens.

Longest standby time
Micromax A51 Bolt 140 hr
Micromax A55 150 hr
Celkon A9 Plus 260 hr 15600 min

Around 271% longer standby time than Micromax A51 Bolt. Long battery standby time allows the phone to stay charged longer without a need to charge it again in an idle condition.

Longest talktime
Micromax A51 Bolt 4 hr 30 min
Micromax A55 4 hr
Celkon A9 Plus 5 hr 300 min

Around 150% longer battery talktime than Micromax A55. Long battery talktime allows users to talk for longer hours on a single charge.

Slimmest
Micromax A51 Bolt 118.5 x 62.5 x 12.8 mm
Micromax A55 107.2 x 58.7 x 13.5 mm
Celkon A9 Plus 119.5 x 63 x 10.8 mm

Around 20% slimmer than Micromax A55. Slim phones are easy to carry around, fits into your pocket and are stylish.

Has front camera
Micromax A51 Bolt yes
Micromax A55 No
Karbonn A1 Star yes
Celkon A9 Plus yes

Take your own photos and do videocalling

Supports dual sim
Micromax A51 Bolt yes
Micromax A55 No
Karbonn A1 Star yes
Celkon A9 Plus yes

Use two services with a single phone without switching between multiple devices.

Summary
Specs Score
52/100
47/100
43/100
47/100
General Specifications
Weight
118 Grams
6%
Heavier than Micromax A55
111.5 Grams
6%
Lighter than Micromax A51 Bolt
Lighter
Form Factor
Bar
Bar
Bar
Bar
Dimensions
118.5 x 62.5 x 12.8 mm
5%
Slimmer than Micromax A55
19%
Bulkier than Celkon A9 Plus
107.2 x 58.7 x 13.5 mm
5%
Bulkier than Micromax A51 Bolt
25%
Bulkier than Celkon A9 Plus
119.5 x 63 x 10.8 mm
16%
Slimmer than Micromax A51 Bolt
20%
Slimmer than Micromax A55
Slimmest
Network Band
GSM
GSM
GSM
GSM
2G Network
GSM 900 / 1800 /
GSM 850 / 900 / 1800 / 1900
900 / 1800
3G Network
HSDPA 2100
HSDPA 2100
4G Network
Dual Sim
Smartphone
Keyboard
Touch
Touch
Touch
Touch
Other Input Features
Multi-Touch
Multi-touch
Stylus
Color
Black, White
White
Black
Black
Display
Display Colors
262K
256K
Display Size
3.5 Inch
25%
Bigger screen size than Micromax A55
Bigger
2.8 Inch
20%
Smaller screen size than Micromax A51 Bolt
3.5 Inch
25%
Bigger screen size than Micromax A55
Bigger
3.5 Inch
25%
Bigger screen size than Micromax A55
Bigger
Display Resolution
320 x 480 Pixel
100%
Higher screen resolution than Micromax A55
Higher Screen Resolution
240 x 320 Pixel
50%
Lower screen resolution than Micromax A51 Bolt
480 x 320 Pixel
100%
Higher screen resolution than Micromax A55
Higher Screen Resolution
320 x 480 Pixel
100%
Higher screen resolution than Micromax A55
Higher Screen Resolution
Display Features
TFT LCD Capacitive Touchscreen
TFT Capacitive Touchscreen
Capacitive Touchscreen Display
TFT Capacitive Touchscreen
Sensors
Accelerometer, Compass
Accelerometer
Accelerometer
G-Sensor, Accelerometer
Camera
Camera
2 mp
37%
Lower camera resolution than Micromax A55
33%
Lower camera resolution than Karbonn A1 Star
3.15 mp
58%
Higher camera resolution than Micromax A51 Bolt
5%
Higher camera resolution than Karbonn A1 Star
Higher Camera Resolution
3 mp
50%
Higher camera resolution than Micromax A51 Bolt
5%
Lower camera resolution than Micromax A55
2 mp
37%
Lower camera resolution than Micromax A55
33%
Lower camera resolution than Karbonn A1 Star
Secondary Camera
0.3 Mp, VGA
Mp
Mp VGA Camera
GEO Tagging
Zoom
Digital Zoom
Digital Zoom
Video Recording
Video Resolution
VGA@30fps
VGA
Connectivity
GPRS
Class 10
Edge
Class 10, 236.8 Kbps
3G Details
HSDPA, HSUPA
HSDPA, 7.2 Mbps
NFC Support
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g
b/g/n
Wi-Fi 802.11 b/g/n
USB Port
Micro USB V2.0
Micro USB V2.0
Micro USB V2.0
Bluetooth
V3.0
V2.1 With A2DP
Infrared
HDMI Port
Battery
Battery Type
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Battery Capacity
1500 mAh
50%
Higher battery capacity than Micromax A55
3%
Higher battery capacity than Karbonn A1 Star
11%
Higher battery capacity than Celkon A9 Plus
Highest battery capacity
1000 mAh
33%
Lower battery capacity than Micromax A51 Bolt
31%
Lower battery capacity than Karbonn A1 Star
26%
Lower battery capacity than Celkon A9 Plus
1450 mAh
3%
Lower battery capacity than Micromax A51 Bolt
45%
Higher battery capacity than Micromax A55
7%
Higher battery capacity than Celkon A9 Plus
1350 mAh
10%
Lower battery capacity than Micromax A51 Bolt
35%
Higher battery capacity than Micromax A55
7%
Lower battery capacity than Karbonn A1 Star
Stand By Time (GSM)
140 hr
7%
Shorter standby time than Micromax A55
73%
Shorter standby time than Celkon A9 Plus
150 hr
7%
Longer standby time than Micromax A51 Bolt
71%
Shorter standby time than Celkon A9 Plus
260 hr 15600 min
271%
Longer standby time than Micromax A51 Bolt
247%
Longer standby time than Micromax A55
Longest standby time
Talk Time
4 hr 30 min
13%
Longer talktime than Micromax A55
55%
Shorter talktime than Celkon A9 Plus
4 hr
11%
Shorter talktime than Micromax A51 Bolt
60%
Shorter talktime than Celkon A9 Plus
5 hr 300 min
122%
Longer talktime than Micromax A51 Bolt
150%
Longer talktime than Micromax A55
Longest talktime
Technology
Java
Via Java MIDP Emulator
Via Java MIDP Emulator
Java MIDP Emulator
Operating System Type
Android
Android
Android
Android
Operating System Version
V2.3.7 (Gingerbread)
V2.2 (Froyo)
4.0 (Ice Cream Sandwich)
V4.0 (Ice Cream Sandwich)
Browser
HTML, Android Browser
WAP 2.0/xHTML, HTML
HTML
Processor
832 MHz
39%
Faster processor speed than Micromax A55
19%
Slower processor speed than Karbonn A1 Star
600 MHz
28%
Slower processor speed than Micromax A51 Bolt
41%
Slower processor speed than Karbonn A1 Star
1 GHz
23%
Faster processor speed than Micromax A51 Bolt
71%
Faster processor speed than Micromax A55
Faster Processor
1 GHz
23%
Faster processor speed than Micromax A51 Bolt
71%
Faster processor speed than Micromax A55
Faster Processor
GPS
A-GPS Support
RAM
256 MB
256 MB
256 MB
ROM
512 MB
512 MB
512 MB
Chipset
BCM21552
Qualcomm MSM7227-1
Spreadtrum SC6820
Other Features
Internal Memory
512 MB
241%
More internal memory than Micromax A55
Higher Internal Memory
150 MB
71%
Low internal memory than Micromax A51 Bolt
512 MB
241%
More internal memory than Micromax A55
Higher Internal Memory
512 MB
241%
More internal memory than Micromax A55
Higher Internal Memory
External Memory
Micro Sd Card Upto 32GB
Micro Sd Card Upto 32GB
Micro Sd Card Up To 32
Micro Sd Card Up To 32
Phone Book
Unlimited
Unlimited
Messaging
SMS
Threaded View
Threaded View
MMS
Email
Instant Messaging
Music & Video
Ring Tone
Polyphonic, MP3 Ringtones
Polyphonic, MP3 Ringtones
Vibration, Polyphonic, MP3 Ringtones
MP3 Ringtones
Radio
FM
Speaker
Loudspeaker
Loudspeaker
Headset
Audio Format
eAAC+, WAV, MP3, MIDI
WMA, eAAC+, WAV, MP3
MP3
eAAC+, WAV, MP3
Video Format
MP4, H.264, H.263, 3GP
3GP, H.264, H.263, MP4
MP4
3GP, MP4
Call Information
Call Records
Photo Call
Stores
Rs. 3,409
Go to store
Rs. 4,399
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Out of Stock
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Rs. 3,889
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Out of Stock
Rs. 3,344
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Rs. 4,399
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Rs. 3,514
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Rs. 4,599
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Out of Stock
Rs. 5,999
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Out of Stock
Rs. 3,489
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Rs. 3,498
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Rs. 4,599
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Rs. 3,999
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Rs. 4,568
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Rs. 4,399
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Rs. 4,768
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Rs. 3,416
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Rs. 4,290
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Out of Stock
Rs. 3,999
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Out of Stock
Rs. 5,499
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Out of Stock
Rs. 3,299
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Out of Stock
Rs. 3,341
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Rs. 4,499
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Rs. 3,390
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Rs. 3,999
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Out of Stock
Rs. 4,150
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Rs. 3,440
Go to store
Out of Stock
Rs. 3,346
Go to store
Rs. 5,500
Go to store
Out of Stock

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