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Phone Samsung SGH-X640 Amazon Fire Samsung ATIV Odyssey Samsung Galaxy S6 (GSM) Samsung Glyde U940
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4.7" diag.
16 : 9
4" diag.
5 : 3
5.1" diag.
16 : 9
2.8" diag.
16.5 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
AMOLED
1440 x 2560 pixels
(~576 ppi)
AMOLED
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 2,400 mAh 2,100 mAh 2,550 mAh 1,000 mAh
Processor ? 2.2 GHz Qualcomm Snapdragon 800 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 2.1 GHz Samsung Exynos 7420 ?
RAM ? 2 GB 1 GB 3 GB ?
Storage ? raw hardware 32 GB * 8 GB 32 GB * ? raw hardware
Main Camera Yes 13 megapixel 5 megapixel 16 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD 720p HD 4K UHD QVGA (320 x 240)
Front Camera - 2 megapixel 1 megapixel 5 megapixel -
Weight 3 oz
(85g)
5.64 oz
(160g)
4.38 oz
(124g)
4.87 oz
(138g)
4.2 oz
(119g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
4.82" x 2.52" x 0.44"
(122 x 64 x 11.1 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
Form Factor Clamshell Slab Slab Slab Slide
Platform / OS (proprietary) (proprietary) Windows Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 13

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology GPRS LTE (Cat 4) LTE (Cat 3) LTE (Cat 6) EVDO r0
Features 
Fingerprint Reader - - - Yes -
Flashlight - Yes - Yes -
GPS / Location - Yes n/a n/a Yes
VR-ready - - - Yes -
Accessibility
Adjustable Text Size - - n/a n/a -
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
MirrorLink - - - Yes -
Mobile Hotspot - Yes n/a n/a -
NFC - Yes Yes Yes -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing - Yes n/a n/a Yes
Customization
Custom Graphics Yes - n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - - n/a n/a Yes
Data & Network
Data Tethering - Yes n/a n/a Yes
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - Yes Yes Yes Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client - Yes n/a n/a -
EMS / Picture Messaging Yes - n/a n/a -
Instant Messaging - - n/a n/a -
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - Yes n/a n/a Yes
Stereo Speakers - Yes - - -
Photo & Video
DLNA - - - Yes -
Miracast - Yes - Yes -
TV Output - Yes - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes - n/a n/a -
Voice Memo Yes Yes n/a n/a -
Software
BREW - - n/a n/a Yes
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes - n/a n/a -
Voice
HD Voice - Yes - Yes -
Headset Jack (2.5 mm) Yes - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Amazon Fire Samsung ATIV Odyssey Samsung Galaxy S6 (GSM) Samsung Glyde U940
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Amazon Fire Samsung ATIV Odyssey Samsung Galaxy S6 (GSM) Samsung Glyde U940

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