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Samsung Galaxy Ace Duos vs Karbonn A21

Compare Samsung Galaxy Ace Duos

Rs. 5,703
(Discontinued)

 

View Details >

Compare Karbonn A21

Rs. 9,899
(Out of Stock)

 

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Summary
38%
Performance

Snapdragon S1

512 MB RAM

Snapdragon S4 Play

512 MB RAM

Display

3.5" (8.89 cm)

320x480 px

4.5" (11.43 cm)

480x800 px

Rear Camera

3.2 MP

Single Camera

5 MP

Single Camera

Battery

1650 mAh

7 h talktime (2G)

1800 mAh

5 h talktime (2G)

Storage

150 MB

32 GB (Expandable)

4 GB

32 GB (Expandable)

Front Camera

N/A

1.3 MP

Single Camera

Expert Rating
User Ratings

★★★★★
★★★★★

3.4/5 based on 580 ratings

★★★★★
★★★★★

3.8/5 based on 318 ratings

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Samsung Galaxy Ace Duos is permanently discontinued.
Not Available in any store
Notify me when it's available
General
Launch Date

October 11, 2012 (Official)

Operating System

Android v2.3 (Gingerbread)

Android v4 (Ice Cream Sandwich)

Custom UI

TouchWiz UI

Performance
Poor
Chipset

Qualcomm Snapdragon S1 MSM7627T

Qualcomm Snapdragon S4 Play MSM8225

CPU

Single core, 800 MHz, ARM 11

Dual core, 1.2 GHz, Cortex A5

Graphics

Adreno 200

Adreno 203

RAM

512 MB

512 MB

Display
Below Average
Display Type

TFT

Screen Size

3.5 " (8.89 cm)

Resolution

320x480 px

Pixel Density

165 ppi

Screen to Body Ratio (calculated)

54.18 %

84.98 %

Touch Screen

, Capacitive Touchscreen, Multi-touch

Design
Size Compare
Size Compare
Dimensions

Height: 112.40 mm
Width: 59.90 mm
Thickness: 12.44 mm

Height: 112 mm
Width: 60.5 mm
Thickness: 11.5 mm

Weight

125 grams

104 grams

Colours

Black

Black

Camera
Main Camera
Camera Setup

Single

Single

Resolution

3.2 MP, Primary Camera

5 MP, Primary Camera

Autofocus

Flash

, LED Flash

Image Resolution

320 x 480 Pixels

2592 x 1944 Pixels

Shooting Modes

Continuous Shooting

Camera Features

Digital Zoom
Smile detection

Digital Zoom

Front Camera
Poor
Camera Setup

Single

Resolution

1.3 MP, Primary Camera

Battery
Average
Capacity

1650 mAh

1800 mAh

Type

Li-ion

Li-ion

TalkTime

Up to 7 Hours(2G)

Up to 5 Hours(2G)

Standby time

Up to 300 Hours(2G)

Up to 200 Hours(2G)

Storage
Good
Internal Memory

150 MB

4 GB

Expandable Memory

, Up to 32 GB

, Up to 32 GB

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+CDMA

Dual SIM, GSM+GSM

SIM Size

SIM1: Mini

Network Support

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

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

SIM 1

2G Bands:
GSM 1800 / 900 MHz
CDMA 1900 / 2000 / 800 MHz
3G Speed:
EV-DO category Rev.A 3.1 Mbit/s ↑
GPRS:
Available
EDGE:
Available

3G Bands:
UMTS 2100 MHz
2G Bands:
GSM 1800 / 1900 / 900 MHz
3G Speed:
HSDPA 7.2 Mbit/s ↓
GPRS:
Available
EDGE:
Available

SIM 2

2G Bands:
GSM 1800 / 900 MHz

2G Bands:
GSM 1800 / 1900 / 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

, v3.0

, v2.1

GPS

with A-GPS

USB Connectivity

USB 2.0, microUSB 2.0

USB 2.0, microUSB 2.0

Multimedia
FM Radio

, RDS, Stereo FM

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Sensors
Other Sensors

Proximity sensor, Accelerometer, Compass

Accelerometer

Applications

Android Market, Social Hub, ThinkFree Office, Swype