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Phone Samsung SGH-X640 Motorola Defy XT Nokia Lumia 920 Nokia 7160 Nokia N900
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.7" diag.
16 : 9
4.5" diag.
5 : 3
? 3.5" diag.
5 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~265 ppi)
LCD (TFT/TFD)
768 x 1280 pixels
(~332 ppi)
LCD (TFT/TFD)
96 x 65 pixels 800 x 480 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 800 mAh 1,650 mAh 2,000 mAh ? 1,320 mAh
Processor ? ? 1.5 GHz Qualcomm Snapdragon S4 ? 600 MHz TI OMAP 3430 (ARM Cortex-A8)
RAM ? 512 MB 1 GB ? ?
Storage ? raw hardware 1 GB 32 GB ? raw hardware ? raw hardware
Main Camera Yes 5 megapixel 8 megapixel - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - WVGA / 480p 1080p HD - ?
Front Camera - Yes 1 megapixel - -
Weight 3 oz
(85g)
4.06 oz
(115g)
6.53 oz
(185g)
4.9 oz
(139g)
6.38 oz
(181g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.53" x 2.3" x 0.47"
(115 x 58 x 11.9 mm)
5.12" x 2.79" x 0.42"
(130 x 71 x 10.7 mm)
4.92" x 2.09" x 0.95"
(125 x 53 x 24.1 mm)
4.36" x 2.35" x 0.69"
(111 x 60 x 17.6 mm)
Form Factor Clamshell Slab Slab Slide Slide
Platform / OS (proprietary) Android Windows (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

TDMA: 850, 1900

AMPS: 850

WCDMA: 1, 4, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS EVDO rA LTE (Cat 3) - HSPA 10.1
Features 
GPS / Location - n/a n/a - Yes
Ruggedized - Yes - - -
Water-Resistant - Yes - - -
Accessibility
Adjustable Text Size - n/a n/a - -
Hearing Aid Compatible - Yes Yes - Yes
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) - Yes Yes - -
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) - - - Yes -
Mobile Hotspot - 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
4 (802.11 a,b,g,n)
- Yes
802.11 b,g
Contacts
Picture ID Yes n/a n/a - Yes
Ringer ID Yes n/a n/a - -
Voice Dialing - n/a n/a Yes -
Customization
Custom Graphics Yes n/a n/a - Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers - n/a n/a - Yes
Data & Network
Data Tethering - n/a n/a Yes -
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes -
Side Keys Yes Yes Yes - Yes
Stylus - - - - Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client - n/a n/a - Yes
EMS / Picture Messaging Yes n/a n/a - -
Instant Messaging - n/a n/a - Yes
MMS Yes n/a n/a - -
Text Messaging Templates Yes n/a n/a - -
Music
FM Radio - Yes - - -
FM Transmitter - n/a n/a - Yes
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player - n/a n/a - Yes
Stereo Speakers - - - - Yes
Photo & Video
DLNA - Yes - - Yes
TV Output - - - - Yes
Video Calling - n/a n/a - Yes *
Power
Wireless Charging - - Yes - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
To-Do List Yes n/a n/a Yes -
Voice Memo Yes n/a n/a - -
Software
Games Yes n/a n/a Yes Yes
Java (J2ME) Yes n/a n/a - -
Voice
Headset Jack (2.5 mm) Yes n/a n/a - -
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Samsung SGH-X640 Motorola Defy XT Nokia Lumia 920 Nokia 7160 Nokia N900
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Motorola Defy XT Nokia Lumia 920 Nokia 7160 Nokia N900

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