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Phone Samsung SGH-X640 Pantech Flex HTC Desire 816 Motorola i90c UTStarcom PPC-6700 / XV-6700 / HTC Apache
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4.3" diag.
16 : 9
5.5" diag.
16 : 9
? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
540 x 960 pixels
(~256 ppi)
AMOLED
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 800 mAh 1,830 mAh 2,600 mAh ? 1,350 mAh
Processor ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 1.6 GHz Qualcomm Snapdragon 400 ? 416 MHz Intel
RAM ? 1 GB 1.5 GB ? ?
Storage ? raw hardware 8 GB 8 GB ? raw hardware ? raw hardware
Main Camera Yes 8 megapixel 13 megapixel - 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD 1080p HD - ?
Front Camera - 2 megapixel 5 megapixel - -
Weight 3 oz
(85g)
4.66 oz
(132g)
5.82 oz
(165g)
5.33 oz
(151g)
6.07 oz
(172g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.11" x 2.63" x 0.31"
(130 x 67 x 7.9 mm)
6.17" x 3.1" x 0.31"
(157 x 79 x 8 mm)
3.5" x 2" x 1.1"
(89 x 51 x 27.9 mm)
4.25" x 2.32" x 0.93"
(108 x 59 x 23.6 mm)
Form Factor Clamshell Slab Slab Clamshell Slide
Platform / OS (proprietary) Android Android (proprietary) Windows Mobile Professional
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

iDEN: 800

CDMA: 850, 1900

Data Technology GPRS LTE (Cat 3) LTE (Cat 3) - EVDO r0
Features 
GPS / Location - n/a n/a - n/a
Accessibility
Adjustable Text Size - n/a n/a - n/a
Hearing Aid Compatible - Yes Yes - -
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
-
Yes
Infrared (IR) - - - - Yes
Mobile Hotspot - n/a n/a - n/a
NFC - - Yes - -
USB - Yes
Micro-USB
Yes
Micro-USB
- Yes
Mini-USB
Wi-Fi - Yes Yes
4 (802.11 b,g,n)
- Yes
Contacts
Picture ID Yes n/a n/a - n/a
Ringer ID Yes n/a n/a - n/a
Voice Dialing - n/a n/a Yes n/a
Customization
Custom Graphics Yes n/a n/a - n/a
Custom Ringtones Yes n/a n/a - n/a
Real-Music Ringers - n/a n/a - n/a
Data & Network
Data Tethering - n/a n/a Yes n/a
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client - n/a n/a - n/a
EMS / Picture Messaging Yes n/a n/a - n/a
Instant Messaging - n/a n/a - n/a
MMS Yes n/a n/a - n/a
Text Messaging Templates Yes n/a n/a - n/a
Music
Headphone Jack (3.5mm) - Yes Yes - -
Music Player - n/a n/a - n/a
Stereo Speakers - - Yes - -
Photo & Video
DLNA - Yes Yes - -
Miracast - - Yes - -
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a - n/a
Voice Memo Yes n/a n/a Yes n/a
Software
Games Yes n/a n/a Yes n/a
Java (J2ME) Yes n/a n/a Yes n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) Yes n/a n/a Yes n/a
Push-To-Talk - - Yes * Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Pantech Flex HTC Desire 816 Motorola i90c UTStarcom PPC-6700 / XV-6700 / HTC Apache
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Pantech Flex HTC Desire 816 Motorola i90c UTStarcom PPC-6700 / XV-6700 / HTC Apache

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