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Phone Amazon Fire UTStarcom Slice PCS-1400 BlackBerry Pearl 3G 9100 / 9105 Samsung SGH-E640 BlackBerry Key2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
? 2.3" diag.
1 : 1
? 4.5" diag.
5 : 3
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
360 x 400 pixels
(~238 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 2,400 mAh 900 mAh 1,150 mAh 800 mAh 3,500 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 ? ? ? 2.2 GHz Qualcomm Snapdragon 660
RAM 2 GB ? ? ? 6 GB
Storage 32 GB * ? raw hardware ? raw hardware ? raw hardware 64 GB *
Main Camera 13 megapixel - 3 megapixel 1 megapixel 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - 12 megapixel
Video Capture 1080p HD - ? QCIF (176 x 144) 4K UHD
Front Camera 2 megapixel - - - 8 megapixel
Weight 5.64 oz
(160g)
2.3 oz
(65g)
3.3 oz
(94g)
3.17 oz
(90g)
5.93 oz
(168g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
4.3" x 1.8" x 0.4"
(109 x 46 x 10.2 mm)
4.25" x 1.96" x 0.52"
(108 x 50 x 13.2 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) BlackBerry OS (proprietary) Android
Network Bands

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) 1xRTT HSDPA 3.6 GPRS LTE (Cat 11)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight Yes - - - Yes
GPS / Location Yes Yes n/a - n/a
Accessibility
Adjustable Text Size - - n/a - n/a
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages Yes - n/a Yes n/a
TTY/TDD (Digital) Yes Yes - - Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot Yes - n/a - n/a
NFC Yes - - - Yes
USB Yes
Micro-USB
- Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,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 Yes n/a
Ringer ID Yes Yes n/a Yes n/a
Voice Dialing Yes - n/a - n/a
Customization
Custom Graphics - Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers - - n/a Yes n/a
Data & Network
Data Tethering Yes - n/a - n/a
External Antenna Jack - Yes n/a - n/a
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes * - Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client Yes - n/a Yes n/a
EMS / Picture Messaging - - n/a Yes n/a
Instant Messaging - - n/a - n/a
MMS Yes - n/a Yes n/a
Text Messaging Templates Yes Yes n/a Yes n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) Yes - Yes - Yes
Music Player Yes - n/a Yes n/a
Stereo Speakers Yes - - - -
Photo & Video
Miracast Yes - - - -
TV Output Yes - - - Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
To-Do List - - n/a Yes n/a
Voice Memo Yes - n/a Yes n/a
Software
Games Yes Yes n/a Yes n/a
Java (J2ME) - Yes n/a Yes n/a
Voice
HD Voice Yes - - - Yes
Headset Jack (2.5 mm) - Yes n/a - n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Amazon Fire UTStarcom Slice PCS-1400 BlackBerry Pearl 3G 9100 / 9105 Samsung SGH-E640 BlackBerry Key2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Amazon Fire UTStarcom Slice PCS-1400 BlackBerry Pearl 3G 9100 / 9105 Samsung SGH-E640 BlackBerry Key2

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