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Phone Samsung SGH-X640 Samsung SCH-A610 LG Stylo 4 Nokia 3555 Motorola Moto X (Verizon, 1st gen.)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 6.2" diag.
18 : 9
1.8" diag.
4 : 3
4.7" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 800 mAh 1,300 mAh 3,300 mAh ? 2,200 mAh
Processor ? ? 1.8 GHz Qualcomm Snapdragon 450 ? 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960
RAM ? ? 2 GB * ? 2 GB
Storage ? raw hardware ? raw hardware 32 GB * ? raw hardware 16 GB *
Main Camera Yes Yes 13 megapixel Yes 10 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 1080p HD QCIF (176 x 144) 1080p HD
Front Camera - - 5 megapixel - 2 megapixel
Weight 3 oz
(85g)
4.23 oz
(120g)
6.07 oz
(172g)
3.32 oz
(94g)
4.76 oz
(135g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
3.94" x 1.75" x 0.83"
(100 x 44 x 21 mm)
5.09" x 2.57" x 0.43"
(129 x 65 x 10.8 mm)
Form Factor Clamshell Clamshell Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS 1xRTT LTE (Cat 6) WCDMA (UMTS) LTE (Cat 3)
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location - Yes n/a - n/a
Accessibility
Adjustable Text Size - - n/a - n/a
Hearing Aid Compatible - - Yes
M4, T3 (mostly tele-coil compatible)
Yes *
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a Yes n/a
TTY/TDD (Digital) - - Yes - Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth - - Yes Yes Yes
Mobile Hotspot - - n/a - n/a
NFC - - Yes * - Yes
USB - - Yes
USB Type C
Yes Yes
Micro-USB
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 n/a Yes n/a
Ringer ID Yes Yes n/a Yes n/a
Voice Dialing - Yes n/a Yes n/a
Customization
Custom Graphics Yes Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers - - n/a Yes n/a
Data & Network
Data Tethering - Yes n/a - n/a
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Touch Screen - - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - - n/a - n/a
EMS / Picture Messaging Yes Yes n/a - n/a
Instant Messaging - - n/a Yes * n/a
MMS Yes Yes n/a Yes n/a
Text Messaging Templates Yes Yes n/a Yes n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - - n/a Yes n/a
Photo & Video
DLNA - - Yes - -
Miracast - - - - Yes
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
To-Do List Yes Yes n/a Yes n/a
Voice Memo Yes Yes n/a Yes n/a
Software
BREW - Yes n/a - n/a
Games Yes Yes n/a Yes n/a
Java (J2ME) Yes - n/a Yes n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) Yes Yes n/a Yes n/a
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Samsung SCH-A610 LG Stylo 4 Nokia 3555 Motorola Moto X (Verizon, 1st gen.)
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Samsung SCH-A610 LG Stylo 4 Nokia 3555 Motorola Moto X (Verizon, 1st gen.)

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