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Phone Samsung SGH-X640 Sharp Sidekick LX 2009 Samsung SCH-U620 LG Tribute / Transpyre NEC Terrain
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.2" diag.
16 : 9
? 4.5" diag.
5 : 3
3.1" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
854 x 480 pixels
(~306 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~207 ppi)
LCD (TFT/TFD)
480 x 640 pixels
(~258 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz 60 Hz
Battery 800 mAh 1,250 mAh 1,000 mAh 2,100 mAh 1,900 mAh
Processor ? ? ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960
RAM ? ? ? 1 GB 1 GB
Storage ? raw hardware ? raw hardware ? raw hardware 4 GB * 8 GB
Main Camera Yes 3 megapixel 1 megapixel 5 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) QVGA (320 x 240) 1080p HD 720p HD
Front Camera - - - 1 megapixel Yes
Weight 3 oz
(85g)
5.78 oz
(164g)
3.74 oz
(106g)
4.9 oz
(139g)
6.06 oz
(172g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.12" x 2.36" x 0.63"
(130 x 60 x 16 mm)
3.78" x 1.85" x 0.87"
(96 x 47 x 22.1 mm)
5.02" x 2.67" x 0.42"
(128 x 68 x 10.7 mm)
5.02" x 2.54" x 0.57"
(128 x 65 x 14.5 mm)
Form Factor Clamshell Swivel Slide Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

*

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 1900

Data Technology GPRS HSPA 7.2 EVDO r0 LTE (Cat 4) LTE (Cat 3)
Features 
GPS / Location - Yes Yes n/a n/a
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX7 (snorkeling)
Accessibility
Adjustable Text Size - Yes - n/a n/a
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Ringer Profiles - Yes - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Mobile Hotspot - - - n/a n/a
NFC - - - - Yes
USB - Yes Yes Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing - - Yes n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers - Yes - n/a n/a
Data & Network
Data Tethering - - - n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes - Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen - - - Yes Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - Yes - n/a n/a
EMS / Picture Messaging Yes - - n/a n/a
Instant Messaging - Yes Yes n/a n/a
MMS Yes Yes Yes n/a n/a
Text Messaging Templates Yes Yes Yes n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player - Yes Yes n/a n/a
Stereo Speakers - - Yes - -
Photo & Video
DLNA - - - Yes -
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes - Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List Yes Yes - n/a n/a
Voice Memo Yes - Yes n/a n/a
Software
BREW - - Yes n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) Yes Yes - n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes - Yes n/a n/a
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Sharp Sidekick LX 2009 Samsung SCH-U620 LG Tribute / Transpyre NEC Terrain
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Sharp Sidekick LX 2009 Samsung SCH-U620 LG Tribute / Transpyre NEC Terrain

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