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Phone Pantech CDM-8635 Samsung SGH-X640 Asus Smartphone for Snapdragon Insiders ZTE Imperial II Sonim XP5s
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? 6.8" diag.
20.5 : 9
5" diag.
16 : 9
2.6" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2448 pixels
(~395 ppi)
AMOLED
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
320 x 432 pixels
(~204 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 144 Hz 60 Hz ?
Battery 920 mAh 800 mAh 4,000 mAh 2,300 mAh 3,180 mAh
Processor ? ? 2.8 GHz Qualcomm Snapdragon 888 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) 1.4 GHz Qualcomm Snapdragon 427 (MSM8920)
RAM ? ? 16 GB 1 GB 2 GB
Storage ? raw hardware ? raw hardware 512 GB 8 GB 16 GB
Main Camera 1 megapixel Yes 64 megapixel 5 megapixel 5 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 8 megapixel - -
Video Capture - - 8K 720p HD 720p HD
Front Camera - - 24 megapixel 1 megapixel -
Weight 3.52 oz
(100g)
3 oz
(85g)
7.41 oz
(210g)
5.07 oz
(144g)
9.17 oz
(260g)
Dimensions 3.85" x 1.96" x 0.79"
(98 x 50 x 20.1 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.82" x 3.04" x 0.38"
(173 x 77 x 9.6 mm)
5.6" x 2.8" x 0.4"
(142 x 71 x 10.2 mm)
5.55" x 2.52" x 0.91"
(141 x 64 x 23 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

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

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 28, 30, 38, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT GPRS NR (5G) LTE (Cat 3) LTE (Cat 4)
Features 
Barometer - - - - Yes
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - Yes
GPS / Location Yes - n/a n/a Yes
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - - n/a n/a Yes
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth - - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - - n/a n/a Yes
NFC - - Yes - -
USB Yes - Yes
USB Type C
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - Yes
6E (802.11 a,ac,ax,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 n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing Yes - n/a n/a -
Customization
Custom Graphics Yes Yes n/a n/a -
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers Yes - n/a n/a -
Data & Network
Data Tethering - - n/a n/a -
Dual-SIM - - Yes - Yes
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client - - n/a n/a -
EMS / Picture Messaging - Yes n/a n/a -
Instant Messaging - - n/a n/a -
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - Yes -
Music Player - - n/a n/a Yes
Stereo Speakers - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List - Yes n/a n/a -
Voice Memo Yes Yes n/a n/a Yes
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 Yes n/a n/a -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Pantech CDM-8635 Samsung SGH-X640 Asus Smartphone for Snapdragon Insiders ZTE Imperial II Sonim XP5s
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Pantech CDM-8635 Samsung SGH-X640 Asus Smartphone for Snapdragon Insiders ZTE Imperial II Sonim XP5s

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