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Phone Samsung SGH-X820 Samsung Glyde U940 Asus ROG Phone II Motorola KRZR K1m Coolpad Defiant
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 2.8" diag.
16.5 : 9
6.6" diag.
19.5 : 9
? 5" diag.
16 : 9
Display Resolution & Type 220 x 176 pixels
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 120 Hz ? 60 Hz
Battery 650 mAh 1,000 mAh 6,000 mAh 880 mAh 2,450 mAh
Processor ? ? 3 GHz Qualcomm Snapdragon 855 Plus ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917)
RAM ? ? 12 GB ? 1 GB
Storage ? raw hardware ? raw hardware 512 GB ? raw hardware 8 GB
Main Camera 2 megapixel 2 megapixel 48 megapixel 1 megapixel 5 megapixel
Wide Camera - - 13 megapixel - -
Tele Camera - - - - -
Video Capture ? QVGA (320 x 240) 4K UHD ? 720p HD
Front Camera - - 24 megapixel - 2 megapixel
Weight 2.33 oz
(66g)
4.2 oz
(119g)
8.47 oz
(240g)
3.63 oz
(103g)
6.5 oz
(184g)
Dimensions 4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
Form Factor Slab Slide Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

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

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

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology EDGE EVDO r0 LTE (Cat 20) EVDO r0 LTE (Cat 4)
Features 
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight - - Yes - Yes
GPS / Location - Yes n/a Yes n/a
Accessibility
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes Yes n/a Yes n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC - - Yes - -
USB Yes Yes Yes
USB Type C
Yes
Mini-USB
Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a Yes n/a
Ringer ID Yes Yes n/a Yes n/a
Voice Dialing - Yes n/a Yes n/a
Customization
Custom Graphics Yes Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers Yes Yes n/a - n/a
Data & Network
Data Tethering - Yes n/a Yes n/a
Dual-SIM - - Yes - -
External Antenna Jack Yes - n/a - n/a
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client Yes - n/a - n/a
EMS / Picture Messaging Yes - n/a Yes n/a
Instant Messaging - - n/a Yes * n/a
MMS Yes Yes n/a Yes n/a
Text Messaging Templates Yes Yes n/a Yes n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - Yes n/a Yes n/a
Stereo Speakers - - Yes - -
Photo & Video
TV Output Yes - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
To-Do List Yes - n/a - n/a
Voice Memo Yes - n/a Yes n/a
Software
BREW - Yes n/a Yes * n/a
Games Yes Yes n/a Yes n/a
Java (J2ME) Yes - n/a Yes * n/a
Voice
Headset Jack (2.5 mm) - Yes n/a - n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X820 Samsung Glyde U940 Asus ROG Phone II Motorola KRZR K1m Coolpad Defiant
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X820 Samsung Glyde U940 Asus ROG Phone II Motorola KRZR K1m Coolpad Defiant

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