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Phone Amazon Fire Samsung SGH-X640 Sanyo SCP-3100 Samsung SGH-T809 / SGH-D820 Cricket Icon / AT&T Radiant Core
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
? ? ? 5.5" diag.
18 : 9
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
240 x 320 pixels
LCD (TFT/TFD)
480 x 960 pixels
(~195 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 2,400 mAh 800 mAh 1,000 mAh ? 2,500 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 ? ? ? 1.5 GHz MediaTek MT6739
RAM 2 GB ? ? ? 1 GB
Storage 32 GB * ? raw hardware ? raw hardware ? raw hardware 16 GB
Main Camera 13 megapixel Yes Yes 1 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD - - CIF (352 x 288) 1080p HD
Front Camera 2 megapixel - - - 2 megapixel
Weight 5.64 oz
(160g)
3 oz
(85g)
3.5 oz
(99g)
3.35 oz
(95g)
6.07 oz
(172g)
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)
3.31" x 1.83" x 1.01"
(84 x 46 x 25.7 mm)
3.9" x 2" x 0.58"
(99 x 51 x 14.7 mm)
5.91" x 2.87" x 0.39"
(150 x 73 x 9.9 mm)
Form Factor Slab Clamshell Clamshell Slide Slab
Platform / OS (proprietary) (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: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 14, 30

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) GPRS 1xRTT EDGE LTE (Cat 4)
Features 
Flashlight Yes - - - Yes
GPS / Location Yes - Yes - n/a
Accessibility
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages Yes Yes Yes Yes n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - Yes - -
Connectivity
Bluetooth Yes - - Yes Yes
Mobile Hotspot Yes - - - n/a
NFC Yes - - - -
USB Yes
Micro-USB
- Yes Yes Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes Yes Yes n/a
Ringer ID Yes Yes Yes Yes n/a
Voice Dialing Yes - Yes - n/a
Customization
Custom Graphics - Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes Yes n/a
Real-Music Ringers - - - Yes n/a
Data & Network
Data Tethering Yes - - Yes n/a
External Antenna Jack - - Yes - n/a
WAP / Web Browser Yes Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client Yes - - - n/a
EMS / Picture Messaging - Yes - Yes n/a
Instant Messaging - - - Yes n/a
MMS Yes Yes - Yes n/a
Text Messaging Templates Yes Yes - Yes n/a
Music
Headphone Jack (3.5mm) Yes - - - Yes
Music Player Yes - - Yes n/a
Stereo Speakers Yes - - Yes -
Photo & Video
Miracast Yes - - - -
TV Output Yes - - - -
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar Yes Yes Yes Yes n/a
To-Do List - Yes - Yes n/a
Voice Memo Yes Yes Yes Yes n/a
Software
Games Yes Yes Yes Yes n/a
Java (J2ME) - Yes Yes Yes n/a
Voice
Call Screening - - Yes - -
HD Voice Yes - - - Yes
Headset Jack (2.5 mm) - Yes Yes - n/a
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  Amazon Fire Samsung SGH-X640 Sanyo SCP-3100 Samsung SGH-T809 / SGH-D820 Cricket Icon / AT&T Radiant Core
  X > < X > < X > < X > < X

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

 
Phone Amazon Fire Samsung SGH-X640 Sanyo SCP-3100 Samsung SGH-T809 / SGH-D820 Cricket Icon / AT&T Radiant Core

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