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Phone Samsung SGH-X640 BLU Pure View Kyocera DuraForce Sony Ericsson Xperia X10 mini (2010) Kyocera K404
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? 5.7" diag.
18 : 9
4.5" diag.
16 : 9
2.6" diag.
4 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~157 ppi)
LCD (TFT/TFD)
104 x 90 pixels
LCD (STN)
Display Refresh ? 60 Hz 60 Hz 60 Hz ?
Battery 800 mAh 3,000 mAh 3,100 mAh ? 900 mAh
Processor ? 1.3 GHz MediaTek 6753 1.4 GHz Qualcomm Snapdragon 400 (MSM8928) 600 MHz Qualcomm S1 MSM7227 ?
RAM ? 3 GB 2 GB ? ?
Storage ? raw hardware 32 GB 16 GB ? raw hardware ? raw hardware
Main Camera Yes 13 megapixel 8 megapixel 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD 1080p HD VGA (640 x 480) -
Front Camera - 8 megapixel 2 megapixel - -
Weight 3 oz
(85g)
6.47 oz
(183g)
7.06 oz
(200g)
3.11 oz
(88g)
3.52 oz
(100g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6" x 2.82" x 0.32"
(152 x 72 x 8.1 mm)
5.39" x 2.78" x 0.55"
(137 x 71 x 14 mm)
3.26" x 1.97" x 0.64"
(83 x 50 x 16.3 mm)
4.45" x 1.89" x 0.91"
(113 x 48 x 23.1 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 7, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 4, 5, 7, 17

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS LTE (Cat 4) LTE (Cat 3) HSPA 7.2 1xRTT
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes Yes - Yes
GPS / Location - n/a n/a n/a Yes
Ruggedized - - Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible - - Yes - -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes - Yes
Connectivity
Bluetooth - Yes Yes
Classic Audio
Yes
Classic Audio
-
Mobile Hotspot - n/a n/a n/a -
NFC - - Yes - -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
-
Contacts
Picture ID Yes n/a n/a n/a -
Ringer ID Yes n/a n/a n/a -
Voice Dialing - n/a n/a n/a Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a -
Data & Network
Data Tethering - n/a n/a n/a -
Dual-SIM - Yes - - -
WAP / Web Browser Yes n/a n/a n/a -
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a -
Text Messaging Templates Yes n/a n/a n/a -
Music
FM Radio - Yes - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a -
Stereo Speakers - - Yes - -
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
Power
Fast Charging - Yes - - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a -
Software
Games Yes n/a n/a n/a Yes *
Java (J2ME) Yes n/a n/a n/a -
Voice
Headset Jack (2.5 mm) Yes n/a n/a n/a Yes
Push-To-Talk - - Yes * - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Samsung SGH-X640 BLU Pure View Kyocera DuraForce Sony Ericsson Xperia X10 mini (2010) Kyocera K404
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 BLU Pure View Kyocera DuraForce Sony Ericsson Xperia X10 mini (2010) Kyocera K404

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