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Phone Ericsson R520 Asus ROG Phone II ZTE Blade X1 5G Samsung Galaxy S6 (GSM)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size ? 6.6" diag.
19.5 : 9
6.5" diag.
19.5 : 9
5.1" diag.
16 : 9
Display Resolution & Type ? 1080 x 2340 pixels
(~391 ppi)
AMOLED
1080 x 2340 pixels
(~396 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
Display Refresh ? 120 Hz 60 Hz 60 Hz
Battery ? 6,000 mAh 4,000 mAh 2,550 mAh
Processor ? 3 GHz Qualcomm Snapdragon 855 Plus 2.4 GHz Qualcomm Snapdragon 765G 2.1 GHz Samsung Exynos 7420
RAM ? 12 GB 6 GB 3 GB
Storage ? raw hardware 512 GB 128 GB 32 GB *
Main Camera - 48 megapixel 48 megapixel 16 megapixel
Wide Camera - 13 megapixel 8 megapixel -
Tele Camera - - - -
Video Capture - 4K UHD 4K UHD 4K UHD
Front Camera - 24 megapixel 16 megapixel 5 megapixel
Weight 4.23 oz
(120g)
8.47 oz
(240g)
6.7 oz
(190g)
4.87 oz
(138g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
6.46" x 2.99" x 0.36"
(164 x 76 x 9.2 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
Form Factor Slab Slab Slab Slab
Platform / OS (proprietary) Android Android Android
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

4G LTE: 2, 4, 5, 12, 13, 66

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS LTE (Cat 20) NR (5G) LTE (Cat 6)
Features 
Barometer - - Yes -
Fingerprint Reader - Yes
in-display (optical)
Yes
stand-alone
Yes
Flashlight - Yes Yes Yes
VR-ready - - - Yes
Accessibility
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) - - Yes Yes
Alerts
Ringer Profiles Yes - - -
Connectivity
Bluetooth Yes
HSP, Sync, OPP, DUN
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes - - Yes
MirrorLink - - - Yes
NFC - Yes Yes Yes
USB - Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Voice Dialing Yes n/a n/a n/a
Customization
Custom Ringtones Yes n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a
Dual-SIM - Yes - -
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes Yes Yes
Memory
Memory Card Slot - - Yes -
Messaging
Text Messaging Templates Yes n/a n/a n/a
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes
Stereo Speakers - Yes - -
Photo & Video
DLNA - - - Yes
Miracast - - - Yes
TV Output - Yes - Yes
Power
Fast Charging - Yes Yes Yes
Wireless Charging - - - Yes
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
Games Yes n/a n/a n/a
Voice
HD Voice - - Yes Yes
Speaker Phone Yes Yes Yes Yes
  Ericsson R520 Asus ROG Phone II ZTE Blade X1 5G Samsung Galaxy S6 (GSM)
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Phone Ericsson R520 Asus ROG Phone II ZTE Blade X1 5G Samsung Galaxy S6 (GSM)

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