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Phone Samsung SCH-A990 Samsung SGH-X640 Samsung Galaxy Note 4 (CDMA) Alcatel Idol 3
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 5.7" diag.
16 : 9
5.5" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz
Battery 1,000 mAh 800 mAh 3,220 mAh 2,910 mAh
Processor ? ? 2.7 GHz Qualcomm Snapdragon 805 1.5 GHz Qualcomm Snapdragon 615 (MSM8939)
RAM ? ? 3 GB 2 GB
Storage ? raw hardware ? raw hardware 32 GB 16 GB
Main Camera 3 megapixel Yes 16 megapixel 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? - 4K UHD 1080p HD
Front Camera - - 4 megapixel 8 megapixel
Weight 4.4 oz
(125g)
3 oz
(85g)
6.21 oz
(176g)
5.09 oz
(144g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.04" x 3.09" x 0.33"
(154 x 79 x 8.5 mm)
6" x 2.96" x 0.29"
(152 x 75 x 7.4 mm)
Form Factor Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) Android Android
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 7, 12, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 GPRS LTE (Cat 4) LTE (Cat 4)
Features 
Fingerprint Reader - - Yes -
Flashlight Yes - Yes Yes
GPS / Location Yes - n/a n/a
Accessibility
Adjustable Text Size - - n/a n/a
Hearing Aid Compatible Yes
M3 (mostly compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes - Yes Yes
Infrared (IR) - - Yes -
MirrorLink - - Yes -
Mobile Hotspot - - n/a n/a
NFC - - Yes Yes
USB Yes - Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a
Ringer ID Yes Yes n/a n/a
Voice Dialing Yes - n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers Yes - n/a n/a
Data & Network
Data Tethering Yes - n/a n/a
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes
Stylus - - Yes -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client - - n/a n/a
EMS / Picture Messaging Yes Yes n/a n/a
Instant Messaging - - n/a n/a
MMS Yes Yes n/a n/a
Text Messaging Templates Yes Yes n/a n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) - - Yes Yes
Music Player Yes - n/a n/a
Stereo Speakers Yes - - Yes
Photo & Video
Miracast - - - Yes
TV Output Yes - Yes -
Power
Fast Charging - - Yes -
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
To-Do List - Yes n/a n/a
Voice Memo Yes Yes n/a n/a
Software
BREW Yes - n/a n/a
Games Yes Yes n/a n/a
Java (J2ME) - Yes n/a n/a
Voice
HD Voice - - Yes Yes
Headset Jack (2.5 mm) - Yes n/a n/a
Speaker Phone Yes Yes Yes Yes
  Samsung SCH-A990 Samsung SGH-X640 Samsung Galaxy Note 4 (CDMA) Alcatel Idol 3
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 Samsung SGH-X640 Samsung Galaxy Note 4 (CDMA) Alcatel Idol 3

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