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Phone Sanyo SCP-2400 Samsung SGH-X640 ZTE Speed Amazon Fire Samsung PM-A840
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4.5" diag.
16 : 9
4.7" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? 60 Hz ? ?
Battery ? 800 mAh 2,000 mAh 2,400 mAh ?
Processor ? ? 1.2 GHz Qualcomm Snapdragon 410 MSM8916 2.2 GHz Qualcomm Snapdragon 800 ?
RAM ? ? 1 GB 2 GB ?
Storage ? raw hardware ? raw hardware 8 GB 32 GB * ? raw hardware
Main Camera - Yes 5 megapixel 13 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 720p HD 1080p HD -
Front Camera - - 2 megapixel 2 megapixel -
Weight 3.5 oz
(99g)
3 oz
(85g)
4.8 oz
(136g)
5.64 oz
(160g)
3.28 oz
(93g)
Dimensions 3.31" x 1.83" x 1.01"
(84 x 46 x 25.7 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.3" x 2.6" x 0.4"
(135 x 66 x 10.2 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
3.54" x 1.85" x 0.94"
(90 x 47 x 23.9 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT GPRS LTE (Cat 3) LTE (Cat 4) 1xRTT
Features 
Flashlight - - - Yes -
GPS / Location Yes - n/a Yes Yes
Accessibility
Adjustable Text Size - - n/a - -
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes - - - Yes
Connectivity
Bluetooth - - Yes Yes -
Mobile Hotspot - - n/a Yes -
NFC - - - Yes -
USB Yes - Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing Yes - n/a Yes Yes
Customization
Custom Graphics Yes Yes n/a - Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers - - n/a - -
Data & Network
Data Tethering Yes - n/a Yes -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - - Yes - -
Messaging
Email Client - - n/a Yes -
EMS / Picture Messaging - Yes n/a - -
Instant Messaging - - n/a - -
MMS - Yes n/a Yes -
Text Messaging Templates Yes Yes n/a Yes Yes
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - - n/a Yes -
Stereo Speakers - - - Yes -
Photo & Video
Miracast - - - Yes -
TV Output - - - Yes -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List - Yes n/a - Yes
Voice Memo Yes Yes n/a Yes Yes
Software
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes Yes n/a - Yes
Voice
Call Screening Yes - - - -
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) Yes Yes n/a - Yes
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  Sanyo SCP-2400 Samsung SGH-X640 ZTE Speed Amazon Fire Samsung PM-A840
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Phone Sanyo SCP-2400 Samsung SGH-X640 ZTE Speed Amazon Fire Samsung PM-A840

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