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Phone Samsung SGH-X640 HTC One M9 (GSM) ZTE C88 BlackBerry Pearl Flip 8220 Asus ROG Phone
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5" diag.
16 : 9
2" diag.
4 : 3
? 6" diag.
18 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
Display Refresh ? 60 Hz ? ? 60 Hz
Battery 800 mAh 2,840 mAh 800 mAh ? 4,000 mAh
Processor ? 2 GHz Qualcomm Snapdragon 810 (MSM8994) ? ? 3 GHz Qualcomm Snapdragon 845
RAM ? 3 GB ? ? 8 GB
Storage ? raw hardware 32 GB ? raw hardware ? raw hardware 128 GB *
Main Camera Yes 20 megapixel Yes 2 megapixel 12 megapixel
Wide Camera - - - - 8 megapixel
Tele Camera - - - - -
Video Capture - 4K UHD - ? 4K UHD
Front Camera - 4 megapixel - - 8 megapixel
Weight 3 oz
(85g)
5.54 oz
(157g)
3.46 oz
(98g)
3.6 oz
(102g)
7.05 oz
(200g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.69" x 2.74" x 0.38"
(145 x 70 x 9.6 mm)
3.85" x 1.92" x 0.7"
(98 x 49 x 17.8 mm)
3.98" x 1.97" x 0.69"
(101 x 50 x 17.5 mm)
6.25" x 3" x 0.34"
(159 x 76 x 8.6 mm)
Form Factor Clamshell Slab Clamshell Clamshell Slab
Platform / OS (proprietary) Android (proprietary) BlackBerry OS Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 13, 17, 29, 30

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46

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

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 9) 1xRTT EDGE LTE (Cat 16)
Features 
Fingerprint Reader - - - - Yes
Flashlight - Yes - - Yes
GPS / Location - n/a Yes n/a n/a
Water-Resistant - Yes
IPX3 (falling spray)
- - Yes
Accessibility
Adjustable Text Size - n/a - n/a n/a
Hearing Aid Compatible - Yes - Yes Yes
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - - Yes Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - n/a - n/a n/a
NFC - Yes - - Yes
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- Yes Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a - n/a n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing - n/a Yes n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers - n/a Yes n/a n/a
Data & Network
Data Tethering - n/a - n/a n/a
Dual-SIM - - - - Yes
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes - - Yes
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client - n/a Yes n/a n/a
EMS / Picture Messaging Yes n/a - n/a n/a
Instant Messaging - n/a Yes n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
FM Radio - Yes - - Yes
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player - n/a - n/a n/a
Stereo Speakers - Yes - - Yes
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes - - Yes
Power
Fast Charging - Yes - - Yes
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List Yes n/a - n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
BREW - n/a Yes n/a n/a
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a - n/a n/a
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) Yes n/a - n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 HTC One M9 (GSM) ZTE C88 BlackBerry Pearl Flip 8220 Asus ROG Phone
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 HTC One M9 (GSM) ZTE C88 BlackBerry Pearl Flip 8220 Asus ROG Phone

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