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Phone Pantech Reveal C790 AT&T Vista Samsung SGH-X640 Samsung Galaxy Core Prime (GSM) Palm Treo 650 (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
5.5" diag.
18 : 9
? 4.5" diag.
5 : 3
?
Display Resolution & Type 320 x 240 pixels
(~182 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~207 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 930 mAh 2,450 mAh 800 mAh 2,000 mAh ?
Processor ? 2 GHz MediaTek Helio A22 (MT6761V) ? 1.2 GHz Qualcomm Snapdragon 410 MSM8916 312 MHz Intel XScale PXA270
RAM ? 3 GB ? 1 GB ?
Storage ? raw hardware 32 GB ? raw hardware 8 GB ? raw hardware
Main Camera 1 megapixel 8 megapixel Yes 5 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) 1080p HD - 720p HD CIF (352 x 288)
Front Camera - 5 megapixel - 2 megapixel -
Weight 4.2 oz
(119g)
5.51 oz
(156g)
3 oz
(85g)
4.27 oz
(121g)
6.3 oz
(179g)
Dimensions 3.91" x 2.36" x 0.58"
(99 x 60 x 14.8 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.16" x 2.68" x 0.35"
(131 x 68 x 8.9 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS (proprietary) Android (proprietary) Android Palm OS
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 LTE (Cat 4) GPRS LTE (Cat 3) EDGE
Features 
Flashlight - Yes - Yes -
GPS / Location Yes n/a - n/a n/a
Accessibility
Adjustable Text Size Yes n/a - n/a n/a
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes - - Yes -
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
Mobile Hotspot - n/a - n/a n/a
USB Yes Yes
USB Type C
- Yes
Micro-USB
Yes
Wi-Fi - Yes - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing - n/a - n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers Yes n/a - n/a n/a
Data & Network
Data Tethering Yes n/a - n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - Yes
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client Yes n/a - n/a n/a
EMS / Picture Messaging - n/a Yes n/a n/a
Instant Messaging Yes n/a - n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
Headphone Jack (3.5mm) - Yes - Yes -
Music Player Yes n/a - n/a n/a
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List - n/a Yes n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a Yes n/a n/a
Voice
HD Voice - Yes - Yes -
Headset Jack (2.5 mm) - n/a Yes n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Pantech Reveal C790 AT&T Vista Samsung SGH-X640 Samsung Galaxy Core Prime (GSM) Palm Treo 650 (GSM)
  X > < X > < X > < X > < X

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

 
Phone Pantech Reveal C790 AT&T Vista Samsung SGH-X640 Samsung Galaxy Core Prime (GSM) Palm Treo 650 (GSM)

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