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Karbonn Alfa A91 Power vs Lava A51

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Summary
39%
Performance

256 MB RAM

Spreadtrum SC7731G

512 MB RAM

Display

4.0" (10.16 cm)

480x800 px

4.5" (11.43 cm)

480x800 px

Rear Camera

2 MP

Single Camera

5 MP

Single Camera

Front Camera

0.3 MP

Single Camera

0.3 MP

Single Camera

Battery

2000 mAh

1750 mAh

Storage

512 MB

32 GB (Expandable)

8 GB

32 GB (Expandable)

User Rating

★★★★★
★★★★★

3/5 based on 115 ratings

Read All User Reviews

★★★★★
★★★★★

3.6/5 based on 699 ratings

Read All User Reviews

Compare Prices
Not Available in any store
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Rs. 4,999 @Flipkart Buy
Not available in any other store
General
Launch Date

October 27, 2015 (Official)

November 11, 2016 (Official)

Operating System

Android v4.4 (Kitkat)

Android v6.0 (Marshmallow)

Performance
Poor
Chipset

Spreadtrum SC7731G

CPU

Single core, 1 GHz

Quad core, 1.2 GHz, Cortex A7

Graphics

Mali-400 MP2

RAM

256 MB

512 MB

Display
Below Average
Display Type

TFT

TFT

Screen Size

4.0 " (10.16 cm)

4.5 " (11.43 cm)

Resolution

480x800 px

480x800 px

Pixel Density

233 ppi

207 ppi

Screen to Body Ratio (calculated)

64.21 %

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen

Design
Size Compare
Colours

Black, White

Black, Gold

Camera
Main Camera
Camera Setup

Single

Single

Resolution

2 MP, Primary Camera

5 MP, Primary Camera

Flash

, LED Flash

, LED Flash

Image Resolution

1600 x 1200 Pixels

2592 x 1944 Pixels

Shooting Modes

High Dynamic Range mode (HDR)

Camera Features

Digital Zoom

Digital Zoom

Video Recording

1280x720 fps

Front Camera
Poor
Camera Setup

Single

Single

Resolution

0.3 MP, Primary Camera

0.3 MP, Primary Camera

Autofocus

No

Flash

No

Battery
Below Average
Capacity

2000 mAh

1750 mAh

Type

Li-ion

Li-ion

Removable

USB Type-C

No

Storage
Very Good
Internal Memory

512 MB

8 GB

Expandable Memory

, Up to 32 GB

, Up to 32 GB

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Network Support

5G Not Supported in India, 3G, 2G

5G Not Supported in India, 3G, 2G

SIM 1

3G Bands:
UMTS 2100 MHz
2G Bands:
GSM 1800 / 900 MHz
GPRS:
Available
EDGE:
Available

3G Bands:
UMTS 2100 / 900 MHz
2G Bands:
GSM 1800 / 900 MHz
GPRS:
Available
EDGE:
Available

SIM 2

2G Bands:
GSM 1800 / 900 MHz

2G Bands:
GSM 1800 / 900 MHz

Wi-Fi

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

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

Wi-Fi Features

Mobile Hotspot

Bluetooth

, v2.1

GPS

NFC

No

USB Connectivity

microUSB 2.0

microUSB 2.0

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Sensors
Fingerprint Sensor

No

Other Sensors

Accelerometer

Accelerometer

Price list

Not Available
Rs. 4,999
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