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Phone HTC HD7 / HD7S AT&T Vista Samsung Captivate (Galaxy S) Motorola KRZR K1 Samsung Rugby A837
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.3" diag.
5 : 3
5.5" diag.
18 : 9
4" diag.
5 : 3
? 2" diag.
4 : 3
Display Resolution & Type 480 x 800 pixels
(~217 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 1,230 mAh 2,450 mAh 1,500 mAh 780 mAh 1,000 mAh
Processor 1 GHz Qualcomm Snapdragon S1 QSD8250 2 GHz MediaTek Helio A22 (MT6761V) 1 GHz Samsung Hummingbird Cortex A8 ? ?
RAM ? 3 GB ? ? ?
Storage 16 GB 32 GB 16 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel 8 megapixel 5 megapixel 2 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD 720p HD ? QCIF (176 x 144)
Front Camera - 5 megapixel - - -
Weight 5.71 oz
(162g)
5.51 oz
(156g)
4.41 oz
(125g)
3.6 oz
(102g)
4.66 oz
(132g)
Dimensions 4.8" x 2.7" x 0.44"
(122 x 69 x 11.2 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
4.83" x 2.52" x 0.41"
(123 x 64 x 10.4 mm)
4.05" x 1.65" x 0.63"
(103 x 42 x 16 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
Form Factor Slab Slab Slab Clamshell Clamshell
Platform / OS Windows Android Android (proprietary) (proprietary)
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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology HSPA 7.2 LTE (Cat 4) HSPA 7.2 EDGE HSDPA 3.6
Features 
Flashlight - Yes - - -
GPS / Location n/a n/a n/a - Yes
Ruggedized - - - - Yes
Accessibility
Hearing Aid Compatible - Yes Yes - Yes
Multiple Languages n/a n/a n/a Yes Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - - Yes Yes
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
USB Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a n/a n/a Yes Yes
Ringer ID n/a n/a n/a Yes Yes
Voice Dialing n/a n/a n/a Yes -
Customization
Custom Graphics n/a n/a n/a Yes Yes
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a - Yes
Data & Network
Data Tethering n/a n/a n/a Yes Yes
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes Yes Yes - -
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client n/a n/a n/a Yes Yes
EMS / Picture Messaging n/a n/a n/a Yes -
Instant Messaging n/a n/a n/a - Yes
MMS n/a n/a n/a Yes Yes
Text Messaging Templates n/a n/a n/a Yes Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes Yes Yes - -
Music Player n/a n/a n/a Yes Yes
Stereo Speakers Yes - - - -
Photo & Video
DLNA - - Yes - -
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
Voice Memo n/a n/a n/a Yes Yes
Software
Games n/a n/a n/a Yes Yes
Java (J2ME) n/a n/a n/a Yes Yes
Voice
HD Voice - Yes - - -
Push-To-Talk - - - Yes * Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  HTC HD7 / HD7S AT&T Vista Samsung Captivate (Galaxy S) Motorola KRZR K1 Samsung Rugby A837
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC HD7 / HD7S AT&T Vista Samsung Captivate (Galaxy S) Motorola KRZR K1 Samsung Rugby A837

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