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Phone Samsung SGH-X640 Sony Ericsson Xperia X10 mini (2010) Sony Ericsson T68i Motorola KRZR K1
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size ? 2.6" diag.
4 : 3
? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~157 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery 800 mAh ? 700 mAh 780 mAh
Processor ? 600 MHz Qualcomm S1 MSM7227 ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 5 megapixel - 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - VGA (640 x 480) - ?
Front Camera - - - -
Weight 3 oz
(85g)
3.11 oz
(88g)
2.96 oz
(84g)
3.6 oz
(102g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.26" x 1.97" x 0.64"
(83 x 50 x 16.3 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
4.05" x 1.65" x 0.63"
(103 x 42 x 16 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) Android (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSPA 7.2 GPRS EDGE
Features 
GPS / Location - n/a - -
Accessibility
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) - - - Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - - Yes Yes
Connectivity
Bluetooth - Yes Yes Yes
Infrared (IR) - - Yes -
USB - Yes
Micro-USB
- Yes
Wi-Fi - Yes
802.11 b,g
- -
Contacts
Picture ID Yes n/a Yes Yes
Ringer ID Yes n/a Yes Yes
Voice Dialing - n/a Yes Yes
Customization
Custom Graphics Yes n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers - n/a - -
Data & Network
Data Tethering - n/a Yes 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 - n/a Yes Yes
EMS / Picture Messaging Yes 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 - -
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 -
Voice Memo Yes n/a Yes Yes
Software
Games Yes n/a Yes Yes
Java (J2ME) Yes n/a - Yes
Voice
Headset Jack (2.5 mm) Yes n/a - -
Push-To-Talk - - - Yes *
Speaker Phone Yes Yes - Yes
  * Some versions only
  Samsung SGH-X640 Sony Ericsson Xperia X10 mini (2010) Sony Ericsson T68i Motorola KRZR K1
  X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Sony Ericsson Xperia X10 mini (2010) Sony Ericsson T68i Motorola KRZR K1

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