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Phone Samsung SGH-X640 Samsung SGH-P850 / P858 Samsung SGH-A157 Samsung Highnote M630 Cricket Icon / AT&T Radiant Core
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 1.8" diag.
4 : 3
2.1" diag.
4 : 3
5.5" diag.
18 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
480 x 960 pixels
(~195 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 800 mAh 950 mAh 800 mAh ? 2,500 mAh
Processor ? ? ? ? 1.5 GHz MediaTek MT6739
RAM ? ? ? ? 1 GB
Storage ? raw hardware ? raw hardware 256 MB ? raw hardware 16 GB
Main Camera Yes 3 megapixel - 2 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? - ? 1080p HD
Front Camera - - - - 2 megapixel
Weight 3 oz
(85g)
4.23 oz
(120g)
2.99 oz
(85g)
3.77 oz
(107g)
6.07 oz
(172g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.77" x 1.86" x 0.96"
(96 x 47 x 24.4 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
3.98" x 1.9" x 0.66"
(101 x 48 x 16.8 mm)
5.91" x 2.87" x 0.39"
(150 x 73 x 9.9 mm)
Form Factor Clamshell Clamshell Clamshell Slide Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 14, 30

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS EDGE ? EVDO r0 LTE (Cat 4)
Features 
Flashlight - - - - Yes
GPS / Location - - Yes Yes n/a
Accessibility
Adjustable Text Size - - Yes - n/a
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes Yes Yes Yes n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth -
Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
USB - Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes Yes Yes n/a
Ringer ID Yes Yes Yes Yes n/a
Voice Dialing - - - Yes n/a
Customization
Custom Graphics Yes Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes Yes n/a
Real-Music Ringers - Yes Yes Yes n/a
Data & Network
WAP / Web Browser Yes Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes Yes n/a
Side Keys Yes Yes - Yes Yes
Touch Screen - - - - Yes
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - Yes - - n/a
EMS / Picture Messaging Yes - - - n/a
MMS Yes Yes Yes - n/a
Text Messaging Templates Yes Yes Yes Yes n/a
Music
Headphone Jack (3.5mm) - - - Yes Yes
Music Player - Yes - Yes n/a
Stereo Speakers - Yes - Yes -
Photo & Video
TV Output - Yes - - -
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar Yes Yes Yes Yes n/a
To-Do List Yes - Yes - n/a
Voice Memo Yes Yes Yes Yes n/a
Software
Games Yes Yes - Yes n/a
Java (J2ME) Yes Yes - Yes n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes - - - n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Samsung SGH-P850 / P858 Samsung SGH-A157 Samsung Highnote M630 Cricket Icon / AT&T Radiant Core
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Samsung SGH-P850 / P858 Samsung SGH-A157 Samsung Highnote M630 Cricket Icon / AT&T Radiant Core

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