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Phone Samsung Wafer R510 Samsung SCH-U740 Alias Alcatel 665 Motorola KRZR K1m
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 1.9" diag.
4 : 3
? 1.8" diag.
4 : 3
?
Display Resolution & Type 220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 800 mAh ? 650 mAh 880 mAh
Processor ? ? ? ?
RAM ? ? 16 MB ?
Storage ? raw hardware ? raw hardware 32 MB ? raw hardware
Main Camera 1 megapixel 1 megapixel 2 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? ? QCIF (176 x 144) ?
Front Camera - - - -
Weight 2.47 oz
(70g)
3.56 oz
(101g)
2.72 oz
(77g)
3.63 oz
(103g)
Dimensions 4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
3.84" x 2.04" x 0.63"
(98 x 52 x 16 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
Form Factor Slab Clamshell Clamshell Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 850, 1900

CDMA: 850, 1900

Data Technology EVDO r0 EVDO r0 - EVDO r0
Features 
GPS / Location Yes Yes - Yes
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display - Yes Yes Yes
Ringer Profiles - - Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
USB - Yes Yes
Micro-USB
Yes
Mini-USB
Contacts
Picture ID Yes Yes Yes Yes
Ringer ID - Yes Yes Yes
Voice Dialing Yes Yes - Yes
Customization
Custom Graphics Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers - - Yes -
Data & Network
Data Tethering - Yes - Yes
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client - Yes - -
EMS / Picture Messaging - - - Yes
Instant Messaging - Yes Yes Yes *
MMS Yes Yes Yes Yes
Text Messaging Templates - Yes Yes Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - - Yes -
Music Player Yes Yes Yes Yes
Stereo Speakers Yes - - -
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
Voice Memo Yes Yes Yes Yes
Software
BREW Yes Yes - Yes *
Games Yes Yes Yes Yes
Java (J2ME) - - Yes Yes *
Voice
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung Wafer R510 Samsung SCH-U740 Alias Alcatel 665 Motorola KRZR K1m
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Wafer R510 Samsung SCH-U740 Alias Alcatel 665 Motorola KRZR K1m

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