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Phone Samsung Rugby 4 Samsung SGH-X640 Samsung Captivate (Galaxy S) Motorola SLVR L7c Motorola Moto Z2 Force
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? 4" diag.
5 : 3
? 5.5" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~534 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 1,300 mAh 800 mAh 1,500 mAh 900 mAh 2,730 mAh
Processor Intel XMM6230 ? 1 GHz Samsung Hummingbird Cortex A8 ? 2.4 GHz Qualcomm Snapdragon 835 (MSM8998)
RAM 128 MB ? ? ? 4 GB
Storage 256 MB ? raw hardware 16 GB ? raw hardware 64 GB
Main Camera 3 megapixel Yes 5 megapixel Yes 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - 720p HD ? 4K UHD
Front Camera - - - - 5 megapixel
Weight 5.22 oz
(148g)
3 oz
(85g)
4.41 oz
(125g)
3.7 oz
(105g)
5.04 oz
(143g)
Dimensions 4.25" x 2.17" x 0.85"
(108 x 55 x 21.6 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.83" x 2.52" x 0.41"
(123 x 64 x 10.4 mm)
4.48" x 1.96" x 0.51"
(114 x 50 x 13 mm)
6.13" x 2.99" x 0.24"
(156 x 76 x 6.1 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology HSPA+ 21 GPRS HSPA 7.2 EVDO r0 LTE (Cat 16)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location Yes - n/a Yes n/a
Ruggedized Yes - - - -
VR-ready - - - - Yes
Water-Resistant Yes
IPX7 (snorkeling)
- - - Yes
Accessibility
Adjustable Text Size Yes - n/a - n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages Yes Yes n/a Yes n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth Yes - Yes Yes Yes
NFC - - - - Yes
USB Yes
Micro-USB
- Yes
Micro-USB
Yes
Mini-USB
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 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 Yes - n/a - n/a
Data & Network
Data Tethering - - n/a Yes n/a
Dual-SIM - - - - Yes *
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
Touch Screen - - Yes - Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client Yes - n/a - n/a
EMS / Picture Messaging - Yes n/a Yes 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
Headphone Jack (3.5mm) - - Yes - -
Music Player Yes - n/a Yes n/a
Photo & Video
DLNA - - Yes - -
Power
Fast Charging - - - - 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 - n/a
Voice Memo Yes Yes n/a Yes n/a
Software
BREW - - n/a Yes * n/a
Games Yes Yes n/a Yes n/a
Java (J2ME) Yes Yes n/a Yes * n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) - Yes n/a - n/a
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Rugby 4 Samsung SGH-X640 Samsung Captivate (Galaxy S) Motorola SLVR L7c Motorola Moto Z2 Force
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Rugby 4 Samsung SGH-X640 Samsung Captivate (Galaxy S) Motorola SLVR L7c Motorola Moto Z2 Force

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