Samsung Droid Charge vs Samsung Galaxy S II vs Motorola DROID X2

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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

217 ppi
218 ppi
256 ppi

Technology

Super AMOLED Plus
Super AMOLED Plus
 

Screen-to-body ratio

60.01 %
62.75 %
61.00 %

Features

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

Camera

Rear

Single camera
Single camera
Single camera

Main camera

8 megapixels
8 megapixels
8 megapixels

Hardware Features

Autofocus
Autofocus, Back-illuminated sensor (BSI)
Autofocus

Specifications

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

Flash

LED
LED
Dual LED

Video recording

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

Features

Video calling
Video light, Video calling
 

Front

1.3 megapixels
2 megapixels
 

Design

Dimensions

5.11 x 2.66 x 0.46 inches (130 x 68 x 12 mm)
4.93 x 2.60 x 0.33 inches (125.3 x 66.1 x 8.49 mm)
5.02 x 2.58 x 0.39 inches (127.5 x 65.5 x 9.90 mm)

Weight

5.04 oz (143 g)
the average is 6 oz (172 g)
4.09 oz (116 g)
the average is 6 oz (172 g)
5.47 oz (155 g)
the average is 6 oz (172 g)

Colors

 
Black, White
 

Multimedia

Headphones

3.5 mm jack
3.5 mm jack
3.5 mm jack

Speakers

 
 
Earpiece, Loudspeaker

Features

Album art cover, Background playback
Album art cover, Background playback
Album art cover, Background playback

Screen mirroring

DLNA
DLNA, MHL
DLNA

Radio

 
FM, Stereo, RDS
FM

Hardware & Performance

System chip

Samsung Exynos 3
Samsung Exynos 4 Dual 4210
NVIDIA Tegra 2

Processor

Single core, 1000 MHz, ARM Cortex-A8
Dual-core, 1200 MHz, ARM Cortex-A9
Dual-core, 1000 MHz

GPU

PowerVR SGX540
Mali-400 MP4
 

RAM

 
1 GB
0.5 GB

Internal storage

2 GB
32 GB
8 GB

Storage expansion

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

OS

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

Connectivity & Features

Bluetooth

3.0
3.0
2.1, EDR

Wi-Fi

802.11 b, g, n; Hotspot
802.11 b, g, n; Hotspot
802.11 a, b, g, n; Hotspot

USB

microUSB, USB 2.0
microUSB, USB 2.0
microUSB, USB 2.0

Features

Mass storage device
Mass storage device, Video out
Mass storage device

HDMI

Yes
 
Micro HDMI (Type D)

Location

GPS
A-GPS
GPS, A-GPS, S-GPS

Sensors

Accelerometer, Compass
Accelerometer, Gyroscope, Compass
Accelerometer, Compass

Other

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

Cellular

LTE (FDD)

Bands 13
 
 

UMTS

 
850, 900, 1900, 2100 MHz
 

Data

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

Battery

Capacity

1600 mAh
1650 mAh
1540 mAh

Type

Li - Ion, User replaceable
Li - Ion, User replaceable
Li - Ion, User replaceable

Talk time

11.00 hours
the average is 21 h (1288 min)
18.30 hours
the average is 21 h (1288 min)
8.00 hours
the average is 21 h (1288 min)

Stand-by time

11.7 days (280 hours)
the average is 19 days (457 h)
29.6 days (710 hours)
the average is 19 days (457 h)
9.2 days (220 hours)
the average is 19 days (457 h)

Talk time (3G)

 
9.00 hours
the average is 23 h (1362 min)
 

Stand-by time (3G)

 
25.8 days (620 hours)
the average is 25 days (611 h)
 

Phone features

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

Regulatory Approval

FCC approval

 
 
 

Date approved

Mar 01, 2011
Mar 11, 2011
Feb 17, 2011

FCC ID value: A3LSCHI510 link
FCC ID value: A3LGTI9100 link
FCC ID value: IHDT56MJ1 link

FCC measured SAR

 
 
 

Head

1.01 W/kg
0.40 W/kg
0.74 W/kg

Measured in

1900 MHz
 
800 MHz

Body

1.00 W/kg
1.00 W/kg
1.50 W/kg

Measured in

1900 MHz
 
800 MHz

Simultaneous Transmission

 
1.16 W/kg
 

Wireless Router

 
1.00 W/kg
 

Shopping information

MSRP price

$ 300
$ 800
 
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