Micromax A45 vs Karbonn A21

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Comparing the Micromax A45 vs Karbonn A21 across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Karbonn A21 runs at a higher processing speed of 1.2 GHz, while Micromax A45 runs at 0.65 GHz, making Karbonn A21 the better performer.


Display: Karbonn A21 offers a screen size of 4.5 inches, while Micromax A45 offers 3.5 inches, making Karbonn A21 the larger display of the two. Both Micromax A45 and Karbonn A21 feature the same TFT display.


Rear Camera: Karbonn A21 offers a higher rear camera resolution with 5 MP, while Micromax A45 offers 2 MP, making Karbonn A21 better for rear camera photography.


Battery: Karbonn A21 offers a higher battery capacity with 1800 mAh, while Micromax A45 offers 1300 mAh, making Karbonn A21 better for longer battery life.


Storage: Micromax A45 offers higher internal storage with 512 GB, while Karbonn A21 offers 4 GB, making Micromax A45 the better option for storage.


User Rating: Micromax A45 receives a higher user rating of 4.4, while Karbonn A21 has a rating of 3.8.

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Micromax A45
₹6,999
(Discontinued)
Karbonn A21
₹9,899
(Out of Stock)
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Summary

Spec Score

N/A
52%

Release Date

05 Jun, 2012
11 Oct, 2012

Performance

N/A
MediaTek MT6513
Snapdragon S4 Play
(upto 650 MHz)
(upto 1.2 GHz)
256 MB RAM
512 MB RAM

Display

N/A
3.5 inches (8.89 cm)
4.5 inches (11.43 cm)
TFT
TFT
320x480 px
480x800 px

Rear Camera

N/A
2 MP
Primary Camera
5 MP
Primary Camera

Front Camera

N/A
N/A
1.3 MP

Battery

N/A
1300 mAh
1800 mAh

Storage

512 MB
4 GB

User Ratings

4.4/5
(95 ratings)
3.8/5
(316 ratings)

User Feedback

General

Launch Date

N/A
Oct 11, 2012
(Official)

Operating System

Android v2.3 (Gingerbread)
Android v4 (Ice Cream Sandwich)

Performance

Performance Rating

N/A
Poor

Chipset

MediaTek MT6513
Qualcomm Snapdragon S4 Play MSM8225

Processor

Single core, 650 MHz, Cortex A9
Dual core, 1.2 GHz, Cortex A5

Graphics (GPU)

PowerVR SGX 531
Adreno 203

RAM

256 MB
512 MB

Display

Display Rating

N/A
Very Good

Display Type

TFT
TFT

Screen Size

3.5 inches  (8.89 cm)
4.5 inches  (11.43 cm)

Resolution

320x480 px
480x800 px

Pixel Density

165 ppi
207 ppi

Screen to Body Ratio (calculated)

50.35 %
84.98 %

Design

Height

115 mm
112 mm

Width

63 mm
60.5 mm

Thickness

13 mm
11.5 mm

Weight

120 grams
104 grams

Rear Camera

Rear Camera Rating

N/A
Below Avg

Resolution

2 MP
Primary Camera
5 MP
Primary Camera

Autofocus

N/A
Yes

Flash

N/A
Yes LED Flash

Image Resolution

1600 x 1200 Pixels
2592 x 1944 Pixels

Camera Features

Digital Zoom
Digital Zoom

Front Camera

Front Camera Rating

N/A
Poor

Resolution

N/A
1.3 MP
Primary Camera

Battery

Battery Rating

N/A
Very Good

Capacity

1300 mAh
1800 mAh

Battery Type

Li-ion
Li-ion

TalkTime

Up to 4.5 Hours(2G)
Up to 5 Hours(2G)

Storage

Internal Storage

512 MB
4 GB

Expandable Storage

Yes Up to 32 GB
Yes Up to 32 GB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Mini
N/A

Network Support

5G Not Supported
5G Not Supported

Wi-Fi

Yes Wi-Fi 4 (802.11 b/g/n)
Yes Wi-Fi 4 (802.11 b/g/n)

Bluetooth

Yes v2.0
Yes v2.1

GPS

N/A
Yes

Multimedia

Audio Jack

3.5 mm
3.5 mm

Sensors

Other Sensors

Accelerometer
Accelerometer