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Phone Samsung SGH-X640 HTC EVO 4G LTE Motorola Moto z4 Motorola Flipout Pantech Reveal C790
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4.7" diag.
16 : 9
6.4" diag.
19.5 : 9
2.8" diag.
4 : 3
2.2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~403 ppi)
AMOLED
320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz ?
Battery 800 mAh 2,000 mAh 3,600 mAh 1,170 mAh 930 mAh
Processor ? 1.5 GHz Qualcomm Snapdragon S4 2 GHz Qualcomm Snapdragon 675 720 MHz TI OMAP 3410 ?
RAM ? 1 GB 4 GB ? ?
Storage ? raw hardware 16 GB 128 GB ? raw hardware ? raw hardware
Main Camera Yes 8 megapixel 48 megapixel 3 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD 4K UHD CIF (352 x 288) QVGA (320 x 240)
Front Camera - 1 megapixel 25 megapixel - -
Weight 3 oz
(85g)
5.05 oz
(143g)
6 oz
(170g)
4.23 oz
(120g)
4.2 oz
(119g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.3" x 2.7" x 0.35"
(135 x 69 x 8.9 mm)
6.22" x 2.96" x 0.29"
(158 x 75 x 7.4 mm)
2.64" x 2.64" x 0.67"
(67 x 67 x 17 mm)
3.91" x 2.36" x 0.58"
(99 x 60 x 14.8 mm)
Form Factor Clamshell Slab Slab Swivel Slab
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 25

CDMA: 800, 850, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 3) LTE (Cat 12) HSPA 7.2 HSDPA 3.6
Features 
Fingerprint Reader - - Yes - -
Flashlight - - Yes - -
GPS / Location - n/a n/a n/a Yes
Water-Resistant - - Yes - -
Accessibility
Adjustable Text Size - n/a n/a n/a Yes
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Ringer Profiles - - - - Yes
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes Yes
Classic Audio
Mobile Hotspot - n/a n/a n/a -
NFC - Yes Yes - -
USB - Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi - Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a -
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a Yes
Data & Network
Data Tethering - n/a n/a n/a Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes Yes
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a n/a n/a Yes
EMS / Picture Messaging Yes n/a n/a n/a -
Instant Messaging - n/a n/a n/a Yes
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a Yes
Photo & Video
DLNA - Yes - - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a Yes
Voice
HD Voice - Yes Yes - -
Headset Jack (2.5 mm) Yes n/a n/a n/a -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 HTC EVO 4G LTE Motorola Moto z4 Motorola Flipout Pantech Reveal C790
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 HTC EVO 4G LTE Motorola Moto z4 Motorola Flipout Pantech Reveal C790

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