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Phone Samsung SGH-X640 Samsung Galaxy S 4 (GSM) Motorola i580 Motorola RAZR2 V9 / V9x Pantech Ease
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5" diag.
16 : 9
? 2.2" diag.
4 : 3
3.2" diag.
5 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~146 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 800 mAh 2,600 mAh ? 950 mAh 1,000 mAh
Processor ? 1.9 GHz Qualcomm Snapdragon 600 8064T ? ? ?
RAM ? 2 GB ? ? ?
Storage ? raw hardware 16 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 13 megapixel 1 megapixel 2 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD ? ? QVGA (320 x 240)
Front Camera - 2 megapixel - - -
Weight 3 oz
(85g)
4.59 oz
(130g)
4.9 oz
(139g)
4.41 oz
(125g)
4.86 oz
(138g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.38" x 2.75" x 0.31"
(137 x 70 x 7.9 mm)
3.68" x 2.2" x 1.2"
(93 x 56 x 30.5 mm)
4.06" x 2.09" x 0.53"
(103 x 53 x 13.5 mm)
4.48" x 2.28" x 0.56"
(114 x 58 x 14.2 mm)
Form Factor Clamshell Slab Clamshell Clamshell Slide
Platform / OS (proprietary) Android (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

iDEN: 800

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 3) WiDEN HSDPA 3.6 ?
Features 
Flashlight - Yes - - -
GPS / Location - n/a Yes Yes * Yes
Ruggedized - - Yes - -
Accessibility
Adjustable Text Size - n/a - - Yes
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
Multiple Languages Yes n/a Yes Yes Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - Yes Yes -
Ringer Profiles - - Yes Yes Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - Yes - - -
Mobile Hotspot - n/a - - -
NFC - Yes - - -
USB - Yes - Yes
Micro-USB
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID Yes n/a Yes Yes Yes
Ringer ID Yes n/a Yes Yes Yes
Voice Dialing - n/a Yes Yes Yes
Customization
Custom Graphics Yes n/a Yes Yes Yes
Custom Ringtones Yes n/a Yes Yes Yes
Real-Music Ringers - n/a - Yes Yes
Data & Network
Data Tethering - n/a Yes Yes Yes
External Antenna Jack - n/a - Yes -
WAP / Web Browser Yes n/a Yes Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - Yes
Capacitive
- - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a - Yes Yes
EMS / Picture Messaging Yes n/a - - -
Instant Messaging - n/a - Yes Yes
MMS Yes n/a Yes Yes Yes
Text Messaging Templates Yes n/a Yes Yes Yes
Music
Headphone Jack (3.5mm) - Yes - - -
Music Player - n/a Yes * Yes Yes
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes - - -
Video Calling - n/a - Yes * -
Productivity
Alarm Yes n/a - Yes Yes
Calculator Yes n/a Yes * Yes Yes
Calendar Yes n/a Yes Yes Yes
To-Do List Yes n/a - - -
Voice Memo Yes n/a Yes Yes Yes
Software
Games Yes n/a Yes Yes Yes
Java (J2ME) Yes n/a Yes Yes Yes
Voice
Headset Jack (2.5 mm) Yes n/a Yes - -
Push-To-Talk - - Yes Yes * -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Samsung Galaxy S 4 (GSM) Motorola i580 Motorola RAZR2 V9 / V9x Pantech Ease
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Samsung Galaxy S 4 (GSM) Motorola i580 Motorola RAZR2 V9 / V9x Pantech Ease

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