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Phone Samsung SGH-X640 HTC G2 BlackBerry Curve 9350 Kyocera 3225 Amazon Fire
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.7" diag.
5 : 3
2.4" diag.
4 : 3
? 4.7" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
480 x 360 pixels
(~246 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 800 mAh 1,300 mAh 1,040 mAh ? 2,400 mAh
Processor ? 800 MHz Qualcomm S2 MSM7230 800 MHz Marvell ? 2.2 GHz Qualcomm Snapdragon 800
RAM ? ? ? ? 2 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 32 GB *
Main Camera Yes 5 megapixel 5 megapixel - 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 720p HD VGA (640 x 480) - 1080p HD
Front Camera - - - - 2 megapixel
Weight 3 oz
(85g)
6.5 oz
(184g)
3.49 oz
(99g)
4.23 oz
(120g)
5.64 oz
(160g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
4.29" x 2.36" x 0.43"
(109 x 60 x 10.9 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android BlackBerry OS (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

*

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSPA 14.4 EVDO rA 1xRTT LTE (Cat 4)
Features 
Flashlight - - - - Yes
GPS / Location - n/a n/a Yes 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 Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
Mobile Hotspot - n/a n/a - Yes
NFC - - Yes - Yes
USB - Yes Yes
Micro-USB
- Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a - Yes
Ringer ID Yes n/a n/a - Yes
Voice Dialing - n/a n/a Yes 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 - -
Data & Network
Data Tethering - n/a n/a Yes Yes
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes - Yes
Text Keyboard, Hardware - Yes Yes - -
Touch Screen - Yes - - Yes
Memory
Memory Card Slot - Yes Yes - -
Messaging
Email Client - n/a n/a - Yes
EMS / Picture Messaging Yes n/a n/a Yes -
Instant Messaging - n/a n/a - -
MMS Yes n/a n/a - Yes
Text Messaging Templates Yes n/a n/a - Yes
Music
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player - n/a n/a - Yes
Stereo Speakers - - - - Yes
Photo & Video
Miracast - - - - Yes
TV Output - - - - 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 - -
Voice Memo Yes n/a n/a - Yes
Software
BREW - n/a n/a Yes -
Games Yes n/a n/a Yes Yes
Java (J2ME) Yes n/a n/a - -
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes n/a n/a Yes -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 HTC G2 BlackBerry Curve 9350 Kyocera 3225 Amazon Fire
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 HTC G2 BlackBerry Curve 9350 Kyocera 3225 Amazon Fire

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