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Phone Samsung SGH-X640 Asus ROG Phone II Sony Xperia Pro Nubia RedMagic 5S Motorola V878
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size ? 6.6" diag.
19.5 : 9
6.5" diag.
21 : 9
6.7" diag.
19.5 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
1644 x 3840 pixels
(~643 ppi)
AMOLED
1080 x 2340 pixels
(~388 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 120 Hz 60 Hz 144 Hz ?
Battery 800 mAh 6,000 mAh 4,000 mAh 4,500 mAh ?
Processor ? 3 GHz Qualcomm Snapdragon 855 Plus Qualcomm Snapdragon 865 Qualcomm Snapdragon 865 ?
RAM ? 12 GB 12 GB 8 GB * ?
Storage ? raw hardware 512 GB 512 GB 128 GB * ? raw hardware
Main Camera Yes 48 megapixel 12 megapixel 64 megapixel Yes
Wide Camera - 13 megapixel 12 megapixel 8 megapixel -
Tele Camera - - 12 megapixel - -
Video Capture - 4K UHD 4K UHD 4K UHD ?
Front Camera - 24 megapixel 8 megapixel 8 megapixel -
Weight 3 oz
(85g)
8.47 oz
(240g)
7.94 oz
(225g)
7.76 oz
(220g)
2.82 oz
(80g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
3.23" x 1.65" x 0.85"
(82 x 42 x 21.6 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

GSM: 900, 1800, 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

5G: 2, 5, 66, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

5G: 41, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41

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

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology GPRS LTE (Cat 20) NR (5G) NR (5G) GPRS
Features 
Fingerprint Reader - Yes
in-display (optical)
Yes
stand-alone
Yes -
Flashlight - Yes Yes Yes -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible - Yes Yes - -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - - Yes - -
Alerts
Extra Display - - - - Yes
Ringer Profiles - - - - Yes
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
NFC - Yes Yes - -
USB - Yes
USB Type C
Yes
USB Type C
Yes
USB Type C
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Data & Network
Data Tethering - n/a n/a n/a Yes
Dual-SIM - Yes Yes Yes -
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - - Yes - -
Messaging
EMS / Picture Messaging Yes n/a n/a n/a Yes
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a -
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - Yes Yes Yes -
Stereo Speakers - Yes Yes Yes -
Photo & Video
TV Output - Yes Yes Yes -
Power
Fast Charging - Yes Yes Yes -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a Yes
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) Yes n/a n/a n/a -
Speaker Phone Yes Yes Yes Yes -
  Samsung SGH-X640 Asus ROG Phone II Sony Xperia Pro Nubia RedMagic 5S Motorola V878
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Asus ROG Phone II Sony Xperia Pro Nubia RedMagic 5S Motorola V878

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