Display
Size:
2.8 inches
3.7 inches
4.0 inches
Resolution:
480 x 640 pixels, 286 PPI
800 x 480 pixels, 252 PPI
800 x 480 pixels, 233 PPI
Technology:
TFT
TFT
Super AMOLED
Screen-to-body:
31.95 %
52.44 %
56.72 %
Colors:
16 777 216
16 777 216
16 777 216
Touchscreen:
Capacitive, Multi-touch
Capacitive, Multi-touch
Capacitive, Multi-touch
Features:
Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor, Scratch-resistant glass (Corning Gorilla Glass)
Hardware
System chip:
Samsung Exynos 3
Processor:
Single core, 1200 MHz, QC 8655
Single core, 1200 MHz, QC 8655
Single core, 1000 MHz, ARM Cortex-A8
GPU:
Yes
PowerVR SGX540
RAM:
0.75GB
0.75GB
0.5GB
ROM:
512 MB
Internal storage:
8GB
4GB
Storage expansion:
microSDHC up to 32 GB
microSDHC up to 32 GB
microSDHC up to 32 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
BlackBerry (7.1, 7)
BlackBerry (7)
Android (2.3, 2.2, 2.1)
Battery
Capacity:
1230 mAh
1230 mAh
1500 mAh
Type:
Li - Ion, User replaceable
Li - Ion, User replaceable
Li - Ion, User replaceable
Camera
Rear:
Single camera
Single camera
Single camera
Main camera:
5 MP
5 MP (Autofocus)
5 MP (Autofocus)
Video recording:
1280x720 (HD)
1280x720 (HD)
1280x720 (HD) (30 fps)
Features:
Continuous autofocus
Video calling, Video sharing
Front:
0.3 MP VGA
Design
Dimensions:
4.53 x 2.60 x 0.41 inches (115 x 66 x 10.5 mm)
4.72 x 2.44 x 0.45 inches (120 x 62 x 11.5 mm)
4.90 x 2.54 x 0.56 inches (124 x 65 x 14 mm)
Weight:
4.59 oz (130.0 g)
4.76 oz (135.0 g)
5.46 oz (155.0 g)
Features:
Full keyboard, Optical Mouse (Touchpad)
Optical Mouse (Touchpad)
Full keyboard
Keys:
Right: Volume control, Camera shutter
Right: Volume control, Camera shutter
Left: Volume control; Right: Camera shutter, Lock/Unlock key
Cellular
UMTS:
Bands 8(900), 1(2100)
Bands 6(800), 5(850), 2(1900), 1(2100)
Data Speed:
HSDPA 14.4 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
HSDPA 14.4 Mbit/s, UMTS, HSUPA 5.76 Mbit/s
WiMAX
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Features:
Album art cover, Background playback
Screen mirroring:
DLNA
Connectivity & Features
Bluetooth:
2.1, EDR
2.1, EDR
2.1, EDR
Wi-Fi:
802.11 b, g, n; Hotspot
802.11 b, g, n
802.11 b, g, n; Hotspot
USB:
microUSB, USB 2.0
microUSB, USB 2.0
microUSB, USB 2.0
Features:
Mass storage device, Charging
Mass storage device, Charging
Mass storage device, Charging
Location:
GPS
GPS
A-GPS
Sensors:
Accelerometer, Compass
Accelerometer, Compass
Accelerometer, Compass
Other:
NFC, Computer sync, OTA sync
UMA (Wi-Fi Calling), Computer sync, OTA sync
Computer sync, OTA sync
Hearing aid compatible:
M3, T3
Phone features
Notifications:
Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
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 recording
Voice recording
Regulatory Approval
FCC approval:
Date approved:
Aug 05, 2011
Jul 20, 2010
Measured SAR:
Head:
1.29 W/kg
1.12 W/kg
0.44 W/kg
Measured in:
1900 MHz
Body:
0.78 W/kg
0.86 W/kg
0.77 W/kg
Measured in:
1900 MHz
Buyers information
Price:
$ 510
$ 250
Availability
Officially announced:
May 02, 2011
Aug 03, 2011
Jun 28, 2010
