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Phone Samsung Galaxy S6 (GSM) Samsung Galaxy Z Fold3 ZTE Blade Max 3 / Max Blue ZTE Z222 / Z223 Samsung SGH-X820
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.1" diag.
16 : 9
7.6" diag.
4 : 3
6" diag.
16 : 9
2" diag.
4 : 3
?
Display Resolution & Type 1440 x 2560 pixels
(~576 ppi)
AMOLED
1768 x 2208 pixels
(~372 ppi)
AMOLED
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 120 Hz 60 Hz ? ?
Battery 2,550 mAh 4,400 mAh 4,000 mAh 900 mAh 650 mAh
Processor 2.1 GHz Samsung Exynos 7420 Qualcomm Snapdragon 888 2 GHz Qualcomm Snapdragon 625 (MSM8953) QSC6270 ?
RAM 3 GB 12 GB 2 GB 64 MB ?
Storage 32 GB * 256 GB * 16 GB 128 MB ? raw hardware
Main Camera 16 megapixel 12 megapixel 13 megapixel Yes 2 megapixel
Wide Camera - 12 megapixel - - -
Tele Camera - 12 megapixel - - -
Video Capture 4K UHD 4K UHD 4K UHD ? ?
Front Camera 5 megapixel 10 megapixel 5 megapixel - -
Weight 4.87 oz
(138g)
9.56 oz
(271g)
6.34 oz
(180g)
3.24 oz
(92g)
2.33 oz
(66g)
Dimensions 5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
6.23" x 2.64" x 0.63"
(158 x 67 x 16 mm)
6.49" x 3.3" x 0.35"
(165 x 84 x 8.9 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
Form Factor Slab Foldable Slab Clamshell Slab
Platform / OS Android Android Android (proprietary) (proprietary)
Network Bands

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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

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

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 25

WCDMA: 2, 4, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 6) NR (5G) LTE (Cat 4) HSDPA 3.6 EDGE
Features 
Barometer - Yes - - -
Fingerprint Reader Yes Yes
stand-alone
Yes
stand-alone
- -
Flashlight Yes Yes Yes - -
VR-ready Yes - - - -
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages n/a n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display - Yes - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) Yes - - - -
MirrorLink Yes - - - -
NFC Yes Yes - - -
USB Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Yes
UWB - Yes - - -
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 ac,b,g,n)
- -
Contacts
Picture ID n/a n/a n/a Yes Yes
Ringer ID n/a n/a n/a Yes Yes
Customization
Custom Graphics n/a n/a n/a Yes Yes
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a Yes Yes
Data & Network
Dual-SIM - Yes - - -
External Antenna Jack n/a n/a n/a - Yes
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes Yes Yes - -
Memory
Memory Card Slot - - Yes - -
Messaging
Email Client n/a n/a n/a Yes Yes
EMS / Picture Messaging n/a n/a n/a - Yes
MMS n/a n/a n/a Yes Yes
Text Messaging Templates n/a n/a n/a Yes Yes
Music
FM Radio - - - Yes * -
Headphone Jack (3.5mm) Yes - Yes - -
Stereo Speakers - Yes - - -
Photo & Video
DLNA Yes - - - -
Miracast Yes - - - -
TV Output Yes Yes - - Yes
Power
Fast Charging Yes Yes Yes - -
Wireless Charging Yes Yes - - -
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
To-Do List n/a n/a n/a - Yes
Voice Memo n/a n/a n/a Yes Yes
Software
Games n/a n/a n/a Yes Yes
Java (J2ME) n/a n/a n/a Yes Yes
Voice
HD Voice Yes Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy S6 (GSM) Samsung Galaxy Z Fold3 ZTE Blade Max 3 / Max Blue ZTE Z222 / Z223 Samsung SGH-X820
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S6 (GSM) Samsung Galaxy Z Fold3 ZTE Blade Max 3 / Max Blue ZTE Z222 / Z223 Samsung SGH-X820

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