OptimaSmart OPS-51 vs Karbonn A3 Star

Comparing the OptimaSmart OPS-51 vs Karbonn A3 Star across performance, display, camera and battery to help determine the better smartphone.

Here is the summary of the results:

Performance: Both OptimaSmart OPS-51 and Karbonn A3 Star run at the same processing speed of 1.0 GHz.

Display: OptimaSmart OPS-51 offers a screen size of 4 inches, while Karbonn A3 Star offers 3.5 inches, making OptimaSmart OPS-51 the larger display of the two. OptimaSmart OPS-51 features a LCD display compared to Karbonn A3 Star's TFT, making OptimaSmart OPS-51 the better display of the two.

Rear Camera: Karbonn A3 Star offers a higher rear camera resolution with 3 MP, while OptimaSmart OPS-51 offers 2 MP, making Karbonn A3 Star better for rear camera photography.

Battery: OptimaSmart OPS-51 offers a higher battery capacity with 1800 mAh, while Karbonn A3 Star offers 1400 mAh, making OptimaSmart OPS-51 better for longer battery life.

OptimaSmart OPS-51

₹1,799

(Discontinued)

Karbonn A3 Star

(Discontinued)

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Summary

Release Date

25 May, 2013

N/A

User Feedback

General

Operating System

Android v2.3.6 (Gingerbread)

Performance

Processor

1 GHz

RAM

N/A

256 MB

Display

Display Type

LCD

TFT

Screen Size

4 inches (10.16 cm)

3.5 inches (8.89 cm)

Resolution

480x800 px

320x480 px

Pixel Density

233 ppi

165 ppi

Screen to Body Ratio (calculated)

55.53 %

52.92 %

Design

Height

124.9 mm

113 mm

Width

65.6 mm

61 mm

Thickness

10.8 mm

13.5 mm

Weight

N/A

90 grams

Rear Camera

Resolution

2 MP
Primary Camera

3 MP
Primary Camera

Flash

Yes LED Flash

N/A

Image Resolution

1600 x 1200 Pixels

2048 x 1536 Pixels

Camera Features

Digital Zoom

Battery

Capacity

1800 mAh

1400 mAh

Battery Type

Li-Polymer

Li-ion

Storage

Internal Storage

N/A

512 MB

Expandable Storage

Yes Up to 32 GB

Network & Connectivity

SIM Slot(s)

Single SIM

Dual SIM

Network Support

5G Not Supported

Wi-Fi

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

Wi-Fi Features

N/A	Mobile Hotspot

Bluetooth

Yes

Multimedia

Audio Jack

N/A

3.5 mm

Sensors

Applications

Google Play Store

Google Play Store News/Weather Voice Search