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Phone Amazon Fire Samsung SGH-X640 Sony Xperia Z2 ZTE Prelude / Avail 2 Kyocera KX12
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
? 5.2" diag.
16 : 9
3.5" diag.
5 : 3
?
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 2,400 mAh 800 mAh 3,200 mAh 1,500 mAh 1,800 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 ? 2.3 GHz Qualcomm Snapdragon 801 MSM8974AB 1 GHz Qualcomm Snapdragon MSM7225A ?
RAM 2 GB ? 3 GB 512 MB ?
Storage 32 GB * ? raw hardware 16 GB 4 GB ? raw hardware
Main Camera 13 megapixel Yes 20 megapixel 2 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD - 4K UHD VGA (640 x 480) -
Front Camera 2 megapixel - 2 megapixel - -
Weight 5.64 oz
(160g)
3 oz
(85g)
5.75 oz
(163g)
4.4 oz
(125g)
4.62 oz
(131g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.78" x 2.89" x 0.32"
(147 x 73 x 8.2 mm)
4.6" x 2.44" x 0.45"
(117 x 62 x 11.4 mm)
4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android (proprietary)
Network Bands

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 4) GPRS LTE (Cat 4) HSPA 7.2 1xRTT
Features 
Flashlight Yes - - - Yes
GPS / Location Yes - n/a n/a Yes
Ruggedized - - Yes - Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - - n/a n/a -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- - Yes
M3, T4 (very tele-coil compatible)
-
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Connectivity
Bluetooth Yes - Yes Yes -
Mobile Hotspot Yes - n/a n/a -
NFC Yes - Yes - -
USB Yes
Micro-USB
- Yes
Micro-USB
Yes -
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 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 n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - - n/a n/a -
Data & Network
Data Tethering Yes - 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
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client Yes - n/a n/a -
EMS / Picture Messaging - Yes n/a n/a Yes
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 Yes -
Music Player Yes - n/a n/a -
Stereo Speakers Yes - - - -
Photo & Video
DLNA - - Yes - -
Miracast Yes - Yes - -
TV Output Yes - 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 n/a n/a -
Voice Memo Yes Yes n/a n/a Yes
Software
BREW - - n/a n/a Yes *
Games Yes Yes n/a n/a Yes
Java (J2ME) - Yes n/a n/a -
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) - Yes n/a n/a Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Amazon Fire Samsung SGH-X640 Sony Xperia Z2 ZTE Prelude / Avail 2 Kyocera KX12
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Amazon Fire Samsung SGH-X640 Sony Xperia Z2 ZTE Prelude / Avail 2 Kyocera KX12

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