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Phone Amazon Fire Samsung SGH-E640 Motorola v66i Samsung SGH-P850 / P858
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
? ? ?
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
? 240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 2,400 mAh 800 mAh ? 950 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 ? ? ?
RAM 2 GB ? ? ?
Storage 32 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera 13 megapixel 1 megapixel - 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD QCIF (176 x 144) - ?
Front Camera 2 megapixel - - -
Weight 5.64 oz
(160g)
3.17 oz
(90g)
2.79 oz
(79g)
4.23 oz
(120g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
3.3" x 1.7" x 0.83"
(84 x 43 x 21.1 mm)
3.77" x 1.86" x 0.96"
(96 x 47 x 24.4 mm)
Form Factor Slab Clamshell Clamshell Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (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

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 4) GPRS GPRS EDGE
Features 
Flashlight Yes - - -
GPS / Location Yes - - -
Accessibility
Hearing Aid Compatible Yes - - -
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) Yes - - -
Alerts
Extra Display - Yes - Yes
Connectivity
Bluetooth Yes Yes - Yes
Mobile Hotspot Yes - - -
NFC Yes - - -
USB Yes
Micro-USB
Yes Yes Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID Yes Yes - Yes
Ringer ID Yes Yes Yes Yes
Voice Dialing Yes - Yes -
Customization
Changeable Body Plates - - Yes -
Custom Graphics - Yes - Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers - Yes - Yes
Data & Network
Data Tethering Yes - Yes -
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes - - -
Memory
Memory Card Slot - - - Yes
Messaging
Email Client Yes Yes - Yes
EMS / Picture Messaging - Yes Yes -
MMS Yes Yes - Yes
Text Messaging Templates Yes Yes - Yes
Music
Headphone Jack (3.5mm) Yes - - -
Music Player Yes Yes - Yes
Stereo Speakers Yes - - Yes
Photo & Video
Miracast Yes - - -
TV Output Yes - - Yes
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List - Yes - -
Voice Memo Yes Yes Yes Yes
Software
Games Yes Yes Yes Yes
Java (J2ME) - Yes Yes Yes
Voice
HD Voice Yes - - -
Headset Jack (2.5 mm) - - Yes -
Speaker Phone Yes Yes - Yes
  Amazon Fire Samsung SGH-E640 Motorola v66i Samsung SGH-P850 / P858
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Amazon Fire Samsung SGH-E640 Motorola v66i Samsung SGH-P850 / P858

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