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Phone Samsung SGH-X640 Sony Ericsson S710a Sony Ericsson Xperia X10 mini (2010) BlackBerry Bold 9900 Sanyo Katana DLX
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? ? 2.6" diag.
4 : 3
2.8" diag.
4 : 3
2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~157 ppi)
LCD (TFT/TFD)
640 x 480 pixels
(~286 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 800 mAh 780 mAh ? 1,230 mAh 920 mAh
Processor ? ? 600 MHz Qualcomm S1 MSM7227 1.2 GHz Qualcomm Snapdragon S2 MSM8255 ?
RAM ? ? ? 768 MB ?
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB ? raw hardware
Main Camera Yes 1 megapixel 5 megapixel 5 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) VGA (640 x 480) 720p HD QCIF (176 x 144)
Front Camera - - - - -
Weight 3 oz
(85g)
4.83 oz
(137g)
3.11 oz
(88g)
4.59 oz
(130g)
3.5 oz
(99g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.23" x 1.93" x 0.96"
(107 x 49 x 24.4 mm)
3.26" x 1.97" x 0.64"
(83 x 50 x 16.3 mm)
4.53" x 2.6" x 0.41"
(115 x 66 x 10.5 mm)
3.7" x 1.9" x 0.68"
(94 x 48 x 17.3 mm)
Form Factor Clamshell Swivel Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android BlackBerry OS (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology GPRS EDGE HSPA 7.2 HSPA 14.4 EVDO r0
Features 
GPS / Location - - n/a n/a Yes
Accessibility
Adjustable Text Size - - n/a n/a Yes
Hearing Aid Compatible - - - Yes Yes
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes - - -
NFC - - - Yes -
USB - Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - - Yes
802.11 b,g
Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing - Yes n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - - n/a n/a Yes
Data & Network
Data Tethering - Yes n/a n/a Yes
External Antenna Jack - - n/a n/a Yes
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - 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 Yes n/a n/a -
Instant Messaging - - n/a n/a -
MMS Yes Yes n/a n/a -
Text Messaging Templates Yes Yes n/a n/a Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - Yes n/a n/a Yes
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes Yes n/a n/a Yes
Voice Memo Yes Yes n/a n/a Yes
Software
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes Yes n/a n/a Yes
Voice
Call Screening - - - - Yes
Headset Jack (2.5 mm) Yes - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Sony Ericsson S710a Sony Ericsson Xperia X10 mini (2010) BlackBerry Bold 9900 Sanyo Katana DLX
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Sony Ericsson S710a Sony Ericsson Xperia X10 mini (2010) BlackBerry Bold 9900 Sanyo Katana DLX

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