Samsung Galaxy S II vs LG Optimus 3D vs HTC Sensation 4G

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Display

Display size

4.3 inches
4.3 inches
4.3 inches

Resolution

480 x 800 pixels
480 x 800 pixels
540 x 960 pixels

Pixel density

218 ppi
217 ppi
256 ppi

Technology

Super AMOLED Plus
TFT
S-LCD

Screen-to-body ratio

62.75 %
60.04 %
61.98 %

Features

Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor, Scratch-resistant glass (Corning Gorilla Glass)
Ambient light sensor, Proximity sensor, Scratch-resistant glass (Corning Gorilla Glass)

3D

 
Glasses-free (Parallax barrier)
 

Camera

Rear

Single camera
Dual-lens (3D)
Single camera

Main camera

8 megapixels
5 megapixels
8 megapixels

Hardware Features

Autofocus, Back-illuminated sensor (BSI)
Autofocus
Autofocus

Specifications

Aperture size: F2.6; Sensor size: 1/3.2"
Aperture size: F2.8
 

Flash

LED
LED
Dual LED

Video recording

1920x1080 (Full HD) (30 fps), 1280x720 (HD)
1920x1080 (Full HD) (24 fps), 1280x720 (HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Video light, Video calling
Digital image stabilization, Video calling
Video calling

3D capture

 
Photos: Photos: 3 megapixels, Videos: Videos: 1280x720 (720p) (30 fps)
 

Front

2 megapixels
0.3 megapixels VGA
0.3 megapixels VGA

Design

Dimensions

4.93 x 2.60 x 0.33 inches (125.3 x 66.1 x 8.49 mm)
5.07 x 2.68 x 0.47 inches (128.8 x 68 x 11.9 mm)
4.96 x 2.57 x 0.44 inches (126.1 x 65.4 x 11.3 mm)

Weight

4.09 oz (116 g)
the average is 6 oz (172 g)
5.93 oz (168 g)
the average is 6 oz (172 g)
5.22 oz (148 g)
the average is 6 oz (172 g)

Colors

Black, White
Black, White
 

Hardware & Performance

System chip

Samsung Exynos 4 Dual 4210
TI OMAP 4430
Qualcomm Snapdragon S3 MSM8260

Processor

Dual-core, 1200 MHz, ARM Cortex-A9
Dual-core, 1000 MHz, ARM Cortex-A9
Dual-core, 1200 MHz, Scorpion

GPU

Mali-400 MP4
PowerVR SGX540
Yes

RAM

1 GB
0.5 GB
0.75 GB

ROM

 
 
4096 MB

Internal storage

32 GB
8 GB
 

Maximum User Storage

 
 
1 GB

Storage expansion

up to 32 GB
up to 32 GB
up to 32 GB

OS

Android (4.1.2, 4.0.4, 4.0, 2.3)
Android (2.3, 2.2)
Android (4.0.3, 2.3.4, 2.3)

Battery

Capacity

1650 mAh
1500 mAh
1520 mAh

Talk time

18.30 hours
the average is 22 h (1342 min)
4.00 hours
the average is 22 h (1342 min)
8.25 hours
the average is 22 h (1342 min)

Stand-by time

29.6 days (710 hours)
the average is 20 days (480 h)
4.0 days (96 hours)
the average is 20 days (480 h)
14.6 days (350 hours)
the average is 20 days (480 h)

Talk time (3G)

9.00 hours
the average is 23 h (1364 min)
 
6.66 hours
the average is 23 h (1364 min)

Stand-by time (3G)

25.8 days (620 hours)
the average is 25 days (602 h)
 
16.7 days (400 hours)
the average is 25 days (602 h)

Cellular

UMTS

850, 900, 1900, 2100 MHz
900, 1900, 2100 MHz
900, 1700/2100, 2100 MHz

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

Data

HSDPA+ (4G) 21.1 Mbit/s, HSPA, HSUPA 5.76 Mbit/s, UMTS
HSDPA+ (4G) 21.1 Mbit/s, HSDPA 14.4 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
HSDPA 14.4 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Connectivity

Bluetooth

3.0
3.0, EDR
3.0

Wi-Fi

802.11 b, g, n
802.11 b, g, n
802.11 b, g, n

USB

USB 2.0
USB 2.0
USB 2.0

Connector

microUSB
microUSB
microUSB

Features

Mass storage device, Video out
Mass storage device, USB charging
Mass storage device, USB charging, Video out

HDMI

 
Micro HDMI (Type D), 1.4
Yes

Location

A-GPS
A-GPS
A-GPS

Other

UMA (Wi-Fi Calling), SyncML, Tethering, Computer sync, OTA sync
Computer sync, OTA sync
UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync

Phone features

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Notifications

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording, TTY/TDD
Voice recording, TTY/TDD

Multimedia

Screen mirroring

DLNA, MHL
DLNA
DLNA, MHL

Radio

FM, Stereo, RDS
 
FM

Speakers

 
Earpiece, Multiple speakers
 

Headphones connector

3.5mm
3.5mm
3.5mm

Additional microphone(s)

 
 
Yes

Regulatory Approval

FCC approval

 
 
 

Date approved

Mar 11, 2011
Mar 22, 2011
May 06, 2011

FCC ID value: A3LGTI9100 link
FCC ID value: BEJP920 link
FCC ID value: NM8PG58130 link

FCC measured SAR

 
 
 

Head

0.40 W/kg
0.55 W/kg
0.61 W/kg

Measured in

 
1700 MHz
1700 MHz

Body

1.00 W/kg
1.12 W/kg
1.29 W/kg

Measured in

 
1700 MHz
1900 MHz

Simultaneous Transmission

1.16 W/kg
 
 

Wireless Router

1.00 W/kg
 
 

Shopping information

MSRP price

$ 800
 
 
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