Compare Karbonn A9 vs Samsung Galaxy Y Duos vs Asus Zenfone Zoom ZX551ML 128GB

Summary
46%
40%
85%
Display

3.8" (Small)

480x800, Avg sharpness

3.1" (Small)

240x320, Low sharpness

5.5" (Large)

Full HD, Very Sharp

Performance

N/A

1 GHz, 512 MB RAM

Single core

, 384 MB RAM

Quad core

2.5 GHz, 4 GB RAM

Storage

1 GB

32 GB (Expandable)

512 MB

32 GB (Expandable)

128 GB

128 GB (Expandable)

Camera

5 MP (Main)

0.3 MP (Front)

3.2 MP (Main)

13 MP (Main)

5 MP (Front)

Battery

1600 mAh

4 h talktime (2G)

1300 mAh

6.16 talktime (3G)

3000 mAh

Expert Rating

★★★★★
★★★★★

Read Expert Review

User Rating

★★★★★
★★★★★

3.9/5 based on 17 ratings

Read All User Reviews

★★★★★
★★★★★

4/5 based on 717 ratings

Read All User Reviews

★★★★★
★★★★★

4.2/5 based on 14 ratings

Read All User Reviews

General
Launch Date

February 21, 2012

January 22, 2016 (Official)

Operating System

Android v2.3 (Gingerbread)

Android v2.3 (Gingerbread)

Android v5.0 (Lollipop)

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Single SIM, GSM

SIM Size

SIM1: Mini

SIM1: Micro

Network

3G: Yes, 2G: Yes

3G: Yes, 2G: Yes

4G: Yes (supports Indian bands)
3G: Yes, 2G: Yes

Design
Size Compare
Size Compare
Size Compare
Dimensions

Height: 120 mm
Width: 60.5 mm
Thickness: 11.30 mm

Height: 109.8 mm
Width: 60 mm
Thickness: 11.95 mm

Height: 158.9 mm
Width: 78.8 mm
Thickness: 11.9 mm

Weight

130 grams

109 grams

185 grams

Colours

Display
Average
Average
Very Good
Screen Resolution

480 x 800 pixels

240 x 320 pixels

Full HD (1080 x 1920 pixels)

Pixel Density

246 ppi

129 ppi

401 ppi

Display Type

LCD

LCD

IPS LCD

Screen Protection

Corning Gorilla Glass v4, Scratch-resistant glass

Touch Screen

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen

Capacitive Touchscreen, Multi-touch

Screen to Body Ratio

66.56 %

Performance
Poor
Poor
Very Good
Chipset

Broadcom BCM21553

Intel Atom Z3590

Processor

1 GHz

Single core, 832 MHz

Quad core, 2.5 GHz

Architecture

64 bit

Graphics

Broadcom VideoCore IV

PowerVR G6430

RAM

512 MB

384 MB

4 GB

Storage
Below Average
Poor
Best in Class
Internal Memory

1 GB

512 MB

128 GB

Expandable Memory

Up to 32 GB

Up to 32 GB

Up to 128 GB

Camera
Average
Poor
Very Good
Main Camera
Resolution

5 MP

3.2 MP

13 MP

Autofocus

Laser autofocus

Aperture

4.8 F

Optical Image Stabilisation

Flash

LED Flash

Dual-color LED Flash

Image Resolution

2592 x 1944 Pixels

4160 x 3120 Pixels

Settings

Exposure compensation, ISO control

Shooting Modes

Continuos Shooting

Continuos Shooting, High Dynamic Range mode (HDR)

Camera Features

Digital Zoom

Digital Zoom, Smile detection

Digital Zoom, 3 x Optical Zoom, Auto Flash, Face detection, Touch to focus

Video Recording

352x288 @ 30

1920x1080 @ 30 fps

Front Camera
Resolution

0.3 MP

5 MP

Camera Features

Fixed Focus

Wide Angle Selfie

Battery
Below Average
Average
Very Good
Capacity

1600 mAh

1300 mAh

3000 mAh

Type

Li-ion

Li-ion

Li-Polymer

Not User Replaceable

Standby Time

Up to 200 Hours(2G)

Up to 440(3G) / Up to 630(2G)

Network & Connectivity
SIM Size

SIM1: Mini

SIM1: Micro

SIM 1

3G, 2G

3G, 2G

4G (supports Indian bands), 3G, 2G

SIM 2

2G

Bluetooth

v2.1

v3

v4.0

GPS

with A-GPS

with A-GPS, Glonass

NFC

USB Connectivity

USB 2.0, microUSB 2.0

USB 2.0

Mass storage device, USB charging, microUSB 2.0

Multimedia
FM Radio

RDS

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Special Features
Other Sensors

Light sensor, Proximity sensor, Accelerometer

Proximity sensor, Accelerometer, Compass

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Price list

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