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Phone Samsung SGH-X640 Casio G'zOne Rock Coolpad Defiant Palm Treo 600 (CDMA) Apple iPhone X
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.1" diag.
4 : 3
5" diag.
16 : 9
? 5.8" diag.
19.5 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
1125 x 2436 pixels
(~463 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 800 mAh 1,150 mAh 2,450 mAh ? 2,716 mAh
Processor ? ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? Apple A11
RAM ? ? 1 GB ? 3 GB
Storage ? raw hardware ? raw hardware 8 GB ? raw hardware 64 GB *
Main Camera Yes 2 megapixel 5 megapixel Yes 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - Yes
Video Capture - ? 720p HD - 4K UHD
Front Camera - - 2 megapixel - 7 megapixel
Weight 3 oz
(85g)
4.4 oz
(125g)
6.5 oz
(184g)
6.2 oz
(176g)
6.14 oz
(174g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
5.65" x 2.79" x 0.3"
(144 x 71 x 7.6 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Palm OS iOS
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS EVDO rA LTE (Cat 4) 1xRTT LTE (Cat 9)
Features 
Barometer - - - - Yes
Flashlight - Yes Yes - Yes
GPS / Location - Yes n/a n/a n/a
Ruggedized - Yes - - -
Water-Resistant - Yes - - Yes
IPX7 (snorkeling)
Accessibility
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth - Yes Yes - Yes
Infrared (IR) - - - Yes -
NFC - - - - Yes
USB - Yes Yes
Micro-USB
Yes Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing - Yes n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - Yes n/a n/a n/a
Data & Network
Data Tethering - Yes n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - - Yes
Capacitive
Yes Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - Yes n/a n/a n/a
EMS / Picture Messaging Yes - n/a n/a n/a
Instant Messaging - Yes n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player - Yes n/a n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
TV Output - - - - Yes
Power
Fast Charging - - - - Yes
Wireless Charging - - - - Yes
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List Yes - n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW - Yes n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes - n/a n/a n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes Yes n/a n/a n/a
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Casio G'zOne Rock Coolpad Defiant Palm Treo 600 (CDMA) Apple iPhone X
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Casio G'zOne Rock Coolpad Defiant Palm Treo 600 (CDMA) Apple iPhone X

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