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Phone Pantech CDM-8635 Samsung SGH-X640 LG Optimus F7 Asus Smartphone for Snapdragon Insiders CAT S48c
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? 4.7" diag.
16 : 9
6.8" diag.
20.5 : 9
5" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
1080 x 2448 pixels
(~395 ppi)
AMOLED
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 144 Hz 60 Hz
Battery 920 mAh 800 mAh 2,540 mAh 4,000 mAh 4,000 mAh
Processor ? ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 2.8 GHz Qualcomm Snapdragon 888 2.2 GHz Qualcomm Snapdragon 630
RAM ? ? 1 GB 16 GB 4 GB
Storage ? raw hardware ? raw hardware 8 GB 512 GB 32 GB
Main Camera 1 megapixel Yes 8 megapixel 64 megapixel 13 megapixel
Wide Camera - - - 12 megapixel -
Tele Camera - - - 8 megapixel -
Video Capture - - 1080p HD 8K 4K UHD
Front Camera - - 1 megapixel 24 megapixel 5 megapixel
Weight 3.52 oz
(100g)
3 oz
(85g)
4.7 oz
(133g)
7.41 oz
(210g)
9.1 oz
(258g)
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)
5.16" x 2.71" x 0.38"
(131 x 69 x 9.7 mm)
6.82" x 3.04" x 0.38"
(173 x 77 x 9.6 mm)
5.9" x 3" x 0.5"
(150 x 76 x 12.7 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 4, 5, 12, 25

CDMA: 850, 1700, 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, 3, 4, 5, 7, 12, 13, 14, 25, 26, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT GPRS LTE (Cat 3) NR (5G) LTE (Cat 13)
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes Yes
GPS / Location Yes - n/a n/a n/a
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes - Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth - - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - - n/a n/a n/a
NFC - - Yes Yes Yes
USB Yes - Yes Yes
USB Type C
Yes
USB Type C
Wi-Fi - - Yes
4 (802.11 a,b,g,n)
Yes
6E (802.11 a,ac,ax,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 - - n/a n/a n/a
Dual-SIM - - - Yes -
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
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client - - n/a n/a n/a
EMS / Picture Messaging - Yes n/a n/a n/a
Instant Messaging - - 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
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - - n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
TV Output - - Yes - -
Power
Fast Charging - - - Yes 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 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
  Pantech CDM-8635 Samsung SGH-X640 LG Optimus F7 Asus Smartphone for Snapdragon Insiders CAT S48c
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Pantech CDM-8635 Samsung SGH-X640 LG Optimus F7 Asus Smartphone for Snapdragon Insiders CAT S48c

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