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Phone Kyocera DuraXTP Alcatel Pop Astro Samsung SGH-E640 Samsung SCH-A610
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
4.5" diag.
16 : 9
? ?
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery 1,500 mAh 2,000 mAh 800 mAh 1,300 mAh
Processor 480 MHz Qualcomm QSC6185 1.5 GHz MediaTek MTK6732 ? ?
RAM 256 MB 1 GB ? ?
Storage 512 MB 4 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel 5 megapixel 1 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) 1080p HD QCIF (176 x 144) -
Front Camera - Yes - -
Weight 5.75 oz
(163g)
5.11 oz
(145g)
3.17 oz
(90g)
4.23 oz
(120g)
Dimensions 4.13" x 2.15" x 0.99"
(105 x 55 x 25.1 mm)
5.23" x 2.57" x 0.39"
(133 x 65 x 9.9 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
Form Factor Clamshell Slab Clamshell Clamshell
Platform / OS (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO rA LTE (Cat 4) GPRS 1xRTT
Features 
Flashlight Yes Yes - -
GPS / Location Yes n/a - Yes
Ruggedized Yes - - -
Water-Resistant Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size Yes n/a - -
Hearing Aid Compatible Yes Yes - -
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes - -
Alerts
Extra Display Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes -
Mobile Hotspot - n/a - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes -
Wi-Fi - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes n/a Yes Yes
Ringer ID Yes n/a Yes Yes
Voice Dialing Yes n/a - Yes
Customization
Custom Graphics Yes n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers Yes n/a Yes -
Data & Network
Data Tethering - n/a - Yes
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes
Touch Screen - Yes - -
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client Yes n/a Yes -
EMS / Picture Messaging - n/a Yes Yes
Instant Messaging - n/a - -
MMS Yes n/a Yes Yes
Text Messaging Templates Yes n/a Yes Yes
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) Yes Yes - -
Music Player - n/a Yes -
Productivity
Alarm Yes n/a Yes Yes
Calculator Yes n/a Yes Yes
Calendar Yes n/a Yes Yes
To-Do List Yes n/a Yes Yes
Voice Memo Yes n/a Yes Yes
Software
BREW - n/a - Yes
Games Yes n/a Yes Yes
Java (J2ME) - n/a Yes -
Voice
HD Voice - Yes - -
Headset Jack (2.5 mm) - n/a - Yes
Push-To-Talk Yes - - -
Speaker Phone Yes Yes Yes -
  Kyocera DuraXTP Alcatel Pop Astro Samsung SGH-E640 Samsung SCH-A610
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Phone Kyocera DuraXTP Alcatel Pop Astro Samsung SGH-E640 Samsung SCH-A610

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