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Phone Alcatel Pop Astro Samsung SGH-X640 Sony Ericsson T68i Siemens CF75 HTC G2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? ? ? 3.7" diag.
5 : 3
Display Resolution & Type 540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
128 x 160 pixels
LCD (STN)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? 60 Hz
Battery 2,000 mAh 800 mAh 700 mAh 600 mAh 1,300 mAh
Processor 1.5 GHz MediaTek MTK6732 ? ? ? 800 MHz Qualcomm S2 MSM7230
RAM 1 GB ? ? ? ?
Storage 4 GB ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel Yes - Yes 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD - - - 720p HD
Front Camera Yes - - - -
Weight 5.11 oz
(145g)
3 oz
(85g)
2.96 oz
(84g)
3.17 oz
(90g)
6.5 oz
(184g)
Dimensions 5.23" x 2.57" x 0.39"
(133 x 65 x 9.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
Form Factor Slab Clamshell Slab Clamshell Slab
Platform / OS Android (proprietary) (proprietary) (proprietary) Android
Network Bands

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) GPRS GPRS EDGE HSPA 14.4
Features 
Flashlight Yes - - - -
GPS / Location n/a - - - n/a
Accessibility
Adjustable Text Size n/a - - - n/a
Hearing Aid Compatible Yes - - - Yes
Multiple Languages n/a Yes Yes Yes n/a
TTY/TDD (Digital) Yes - - - -
Alerts
Extra Display - - - Yes -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes - Yes - Yes
Infrared (IR) - - Yes Yes -
Mobile Hotspot n/a - - - n/a
USB Yes
Micro-USB
- - Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes Yes - n/a
Ringer ID n/a Yes Yes - n/a
Voice Dialing n/a - Yes - n/a
Customization
Custom Graphics n/a Yes Yes Yes n/a
Custom Ringtones n/a Yes Yes Yes n/a
Real-Music Ringers n/a - - - n/a
Data & Network
Data Tethering n/a - Yes Yes n/a
WAP / Web Browser n/a Yes Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client n/a - Yes Yes n/a
EMS / Picture Messaging n/a Yes Yes Yes n/a
Instant Messaging n/a - - - n/a
MMS n/a Yes Yes Yes n/a
Text Messaging Templates n/a Yes Yes Yes n/a
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - - - n/a
Productivity
Alarm n/a Yes Yes Yes n/a
Calculator n/a Yes Yes Yes n/a
Calendar n/a Yes Yes Yes n/a
To-Do List n/a Yes Yes Yes n/a
Voice Memo n/a Yes Yes Yes n/a
Software
Games n/a Yes Yes Yes n/a
Java (J2ME) n/a Yes - Yes n/a
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a Yes - - n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes - Yes Yes
  Alcatel Pop Astro Samsung SGH-X640 Sony Ericsson T68i Siemens CF75 HTC G2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Alcatel Pop Astro Samsung SGH-X640 Sony Ericsson T68i Siemens CF75 HTC G2

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