Compare Samsung Galaxy S Duos 2 vs Samsung Galaxy S Duos vs Lava X81

Summary
72%
Display

4.0" (Small)

400x800, Avg sharpness

4" (Small)

480x800, Avg sharpness

5.0" (Medium)

HD, Avg sharpness

Performance

Dual core

1.2 GHz, 768 MB RAM

Single core

1 GHz, 768 MB RAM

Quad core

1.3 GHz, 3 GB RAM

Storage

4 GB

64 GB (Expandable)

4 GB

32 GB (Expandable)

16 GB

64 GB (Expandable)

Camera

5 MP (Main)

0.3 MP (Front)

5 MP (Main)

0.3 MP (Front)

13 MP (Main)

5 MP (Front)

Battery

1500 mAh

8 h talktime (3G)

1500 mAh

8.6 h talktime (3G)

2700 mAh

10 h talktime (3G)

Expert Rating
User Rating
General
Launch Date

November 29, 2013 (Official)

September 16, 2012 (Official)

June 10, 2016 (Official)

Operating System

Android v4.2.2 (Jelly Bean)

Android v4 (Ice Cream Sandwich)

Android v6.0 (Marshmallow)

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Micro

SIM1: Mini

SIM1: Micro
SIM2: Micro

Network

3G: Yes, 2G: Yes

3G: Yes, 2G: Yes

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

Fingerprint Sensor

No

Quick Charging

No

Design
Size Compare
Size Compare
Size Compare
Dimensions

Height: 121.5 mm
Width: 63.1 mm
Thickness: 10.57 mm

Height: 121.5 mm
Width: 63.1 mm
Thickness: 10.5 mm

Height: 142.6 mm
Width: 73.4 mm
Thickness: 8.4 mm

Weight

118 grams

120 grams

Colours

Space Grey

Display
Good
Screen Resolution

400 x 800 pixels

480 x 800 pixels

HD (720 x 1280 pixels)

Pixel Density

224 ppi

233 ppi

294 ppi

Display Type

TFT

TFT

IPS LCD

Screen Protection

Corning Gorilla Glass v3

Touch Screen

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen, Multi-touch

Screen to Body Ratio

65.69 %

Performance
Good
Chipset

Broadcom BCM21664T

Qualcomm Snapdragon S1 MSM7227A

MediaTek MT6735

Processor

Dual core, 1.2 GHz, Cortex A9

Single core, 1 GHz, Cortex A5

Quad core, 1.3 GHz, Cortex A53

Architecture

24 bit

64 bit

Graphics

Broadcom VideoCore IV

Adreno 200

Mali-T720 MP2

RAM

768 MB

768 MB

3 GB

Storage
Best in Class
Internal Memory

4 GB

4 GB

16 GB

Expandable Memory

Up to 64 GB

Up to 32 GB

Up to 64 GB

User Available Storage

Up to 1.8 GB

Camera
Very Good
Main Camera
Resolution

5 MP

5 MP

13 MP

Sensor

CMOS image sensor

Autofocus

Aperture

2.0 F

Optical Image Stabilisation

No

Flash

LED Flash

LED Flash

Dual LED Flash

Image Resolution

2592 x 1944 Pixels

2592 x 1944 Pixels

4128 x 3096 Pixels

Settings

ISO control

Exposure compensation, ISO control

Shooting Modes

Continuos Shooting, High Dynamic Range mode (HDR)

Camera Features

Digital Zoom

Digital Zoom, Smile detection

Digital Zoom, Auto Flash, Face detection, Touch to focus

Video Recording

1280x720 @ 30 fps

640x480 @ 30 fps

1920x1080 @ 30 fps

Front Camera
Resolution

0.3 MP

0.3 MP

5 MP

Autofocus

No

Aperture

2.4 F

Flash

LED Flash

Camera Features

Fixed Focus

Battery
Very Good
Capacity

1500 mAh

1500 mAh

2700 mAh

Type

Li-ion

Li-ion

Li-Polymer

Not User Replaceable

No

Standby Time

Up to 280 Hours(3G)

Up to 470 Hours(3G) / Up to 570 Hours(2G)

Up to 300 Hours(2G)

Network & Connectivity
SIM Size

SIM1: Micro

SIM1: Mini

SIM1: Micro
SIM2: Micro

SIM 1

3G, 2G

3G, 2G

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

SIM 2

2G

2G

2G

SAR Value

Head: 0.59 W/kg, Body: 0.43 W/kg

Head: 0.18 W/kg, Body: 0.45 W/kg

Bluetooth

v4.0

v3.0

v4.0

GPS

with A-GPS, Glonass

with A-GPS

with A-GPS, Glonass

NFC

No

USB Connectivity

USB 2.0, microUSB 2.0

USB 2.0, Mass storage device, USB charging, microUSB 2.0

microUSB 2.0

Multimedia
FM Radio

RDS, Stereo FM

RDS, Stereo FM

Recording option

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

3.5 mm

Special Features
Fingerprint Sensor

No

Other Sensors

Proximity sensor, Accelerometer, Compass

Proximity sensor, Accelerometer, Compass

Light sensor, Proximity sensor, Accelerometer

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