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Phone Amazon Fire Samsung SGH-E635 / SGH-E630 Samsung Glyde U940 BlackBerry Key2 LE
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
? 2.8" diag.
16.5 : 9
4.5" diag.
5 : 3
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 2,400 mAh 800 mAh 1,000 mAh 3,000 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 ? ? 1.8 GHz Qualcomm Snapdragon 636
RAM 2 GB ? ? 4 GB
Storage 32 GB * ? raw hardware ? raw hardware 32 GB *
Main Camera 13 megapixel Yes 2 megapixel 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD - QVGA (320 x 240) 4K UHD
Front Camera 2 megapixel - - 8 megapixel
Weight 5.64 oz
(160g)
2.78 oz
(79g)
4.2 oz
(119g)
5.5 oz
(156g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
3.34" x 1.69" x 0.85"
(85 x 43 x 21.6 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
5.92" x 2.83" x 0.33"
(150 x 72 x 8.4 mm)
Form Factor Slab Slide Slide Slab
Platform / OS (proprietary) (proprietary) (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

GSM: 850, 1800, 1900

*

CDMA: 850, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) GPRS EVDO r0 LTE (Cat 13)
Features 
Fingerprint Reader - - - Yes
stand-alone
Flashlight Yes - - Yes
GPS / Location Yes - Yes n/a
Accessibility
Hearing Aid Compatible Yes - Yes Yes
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) Yes - Yes Yes
Connectivity
Bluetooth Yes - Yes Yes
Infrared (IR) - Yes - -
Mobile Hotspot Yes - - n/a
NFC Yes - - Yes
USB Yes
Micro-USB
- Yes Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes Yes n/a
Ringer ID Yes Yes Yes n/a
Voice Dialing Yes - Yes n/a
Customization
Custom Graphics - Yes Yes n/a
Custom Ringtones Yes Yes Yes n/a
Real-Music Ringers - - Yes n/a
Data & Network
Data Tethering Yes Yes Yes n/a
Dual-SIM - - - Yes *
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes
Touch Screen Yes - Yes Yes
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client Yes - - n/a
EMS / Picture Messaging - Yes - n/a
MMS Yes Yes Yes n/a
Text Messaging Templates Yes Yes Yes n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) Yes - - Yes
Music Player Yes - Yes n/a
Stereo Speakers Yes - - -
Photo & Video
Miracast Yes - - -
TV Output Yes - - -
Power
Fast Charging - - - Yes
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List - Yes - n/a
Voice Memo Yes Yes - n/a
Software
BREW - - Yes n/a
Games Yes Yes Yes n/a
Java (J2ME) - Yes - n/a
Voice
HD Voice Yes - - Yes
Headset Jack (2.5 mm) - - Yes n/a
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Amazon Fire Samsung SGH-E635 / SGH-E630 Samsung Glyde U940 BlackBerry Key2 LE
  X > < X > < X > < X

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

 
Phone Amazon Fire Samsung SGH-E635 / SGH-E630 Samsung Glyde U940 BlackBerry Key2 LE

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