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Phone HTC G2 AT&T Vista Samsung Galaxy S II Skyrocket Samsung SPH-i550
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size 3.7" diag.
5 : 3
5.5" diag.
18 : 9
4.5" diag.
5 : 3
?
Display Resolution & Type 480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~207 ppi)
AMOLED
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz ?
Battery 1,300 mAh 2,450 mAh 1,850 mAh ?
Processor 800 MHz Qualcomm S2 MSM7230 2 GHz MediaTek Helio A22 (MT6761V) 1.5 GHz Qualcomm Snapdragon S3 APQ8060 200 MHz Motorola MX-1
RAM ? 3 GB 1 GB ?
Storage ? raw hardware 32 GB 16 GB ? raw hardware
Main Camera 5 megapixel 8 megapixel 8 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD 1080p HD 1080p HD ?
Front Camera - 5 megapixel 2 megapixel -
Weight 6.5 oz
(184g)
5.51 oz
(156g)
4.71 oz
(133g)
?
Dimensions 4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
5.12" x 2.72" x 0.35"
(130 x 69 x 9 mm)
3.46" x 2.34" x 1.1"
(88 x 59 x 27.9 mm)
Platform / OS Android Android Android Palm OS
Network Bands

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

4G LTE: 4, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology HSPA 14.4 LTE (Cat 4) LTE (Cat 3) 1xRTT
Features 
Flashlight - Yes - -
Accessibility
Hearing Aid Compatible Yes Yes Yes -
TTY/TDD (Digital) - - Yes Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth Yes Yes Yes -
Infrared (IR) - - - Yes
NFC - - Yes -
USB Yes Yes
USB Type C
Yes
Micro-USB
-
Wi-Fi Yes
4 (802.11 b,g,n)
Yes Yes
4 (802.11 a,b,g,n)
-
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes -
Photo & Video
DLNA - - Yes -
TV Output - - Yes -
Voice
HD Voice - Yes - -
Speaker Phone Yes Yes Yes -
  HTC G2 AT&T Vista Samsung Galaxy S II Skyrocket Samsung SPH-i550
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC G2 AT&T Vista Samsung Galaxy S II Skyrocket Samsung SPH-i550

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