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Phone ZTE Blade Z Max Samsung Galaxy S21 Samsung SGH-i250 Siemens M75 Motorola razr (2020)
Current U.S. Carriers (none) Verizon (none) (none) (none)
Global Availability Released Released Not yet released Not yet released Released
Specifications 
Display Size 6" diag.
16 : 9
6.2" diag.
20 : 9
? ? 6.2" diag.
22 : 9
Display Resolution & Type 1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
132 x 176 pixels
LCD (TFT/TFD)
876 x 2142 pixels
(~373 ppi)
AMOLED
Display Refresh 60 Hz 120 Hz ? ? 60 Hz
Battery 4,080 mAh 4,000 mAh ? 750 mAh 2,800 mAh
Processor 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) 2.8 GHz Qualcomm Snapdragon 888 ? ? Qualcomm Snapdragon 765G
RAM 2 GB 8 GB ? ? 8 GB
Storage 32 GB 128 GB * ? raw hardware ? raw hardware 256 GB
Main Camera 16 megapixel 12 megapixel 1 megapixel 1 megapixel 48 megapixel
Wide Camera - 12 megapixel - - -
Tele Camera - 64 megapixel - - -
Video Capture 1080p HD 8K ? ? 4K UHD
Front Camera 8 megapixel 10 megapixel - - 20 megapixel
Weight 6.58 oz
(186g)
6.03 oz
(171g)
4.59 oz
(130g)
3.88 oz
(110g)
6.77 oz
(192g)
Dimensions 6.51" x 3.28" x 0.33"
(165 x 83 x 8.3 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
3.7" x 1.97" x 1.02"
(94 x 50 x 25.9 mm)
4.35" x 2.03" x 0.82"
(110 x 52 x 20.8 mm)
3.61" x 2.86" x 0.63"
(92 x 73 x 16 mm)
Form Factor Slab Slab Clamshell Slab Clamshell
Platform / OS Android Android Windows Mobile Standard (proprietary) Android
Network Bands

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

WCDMA: 2, 4, 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, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

5G: 2, 5, 25, 41, 66, 71, 78

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, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) NR (5G) GPRS GPRS NR (5G)
Features 
Barometer - Yes - - Yes
Fingerprint Reader Yes
stand-alone
Yes
in-display (ultrasonic)
- - Yes
stand-alone
Flashlight Yes Yes - - Yes
Ruggedized - - - Yes -
Water-Resistant - Yes
IPX8 (SCUBA)
- - Yes
Accessibility
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages n/a n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes - - Yes
Alerts
Extra Display - - Yes - Yes
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
NFC - Yes - - Yes
USB Yes
USB Type C
Yes
USB Type C
- Yes Yes
USB Type C
Wi-Fi Yes
4 (802.11 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 n/a
Ringer ID n/a n/a n/a Yes n/a
Customization
Custom Graphics n/a n/a n/a Yes n/a
Custom Ringtones n/a n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a n/a Yes n/a
Dual-SIM - - - - Yes
WAP / Web Browser n/a n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes Yes - - Yes
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client n/a n/a n/a Yes n/a
EMS / Picture Messaging n/a n/a n/a Yes n/a
MMS n/a n/a n/a Yes n/a
Text Messaging Templates n/a n/a n/a - n/a
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - - - -
Music Player n/a n/a n/a Yes n/a
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - -
Power
Fast Charging Yes Yes - - Yes
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a n/a Yes n/a
Calculator n/a n/a n/a Yes n/a
Calendar n/a n/a n/a Yes n/a
To-Do List n/a n/a n/a Yes n/a
Voice Memo n/a n/a n/a Yes n/a
Software
Games n/a n/a n/a Yes n/a
Java (J2ME) n/a n/a n/a Yes n/a
Voice
HD Voice Yes Yes - - Yes
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes - Yes Yes
  ZTE Blade Z Max Samsung Galaxy S21 Samsung SGH-i250 Siemens M75 Motorola razr (2020)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Blade Z Max Samsung Galaxy S21 Samsung SGH-i250 Siemens M75 Motorola razr (2020)

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