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Phone HTC One (M7 / CDMA) ZTE Blade Spark Ericsson T66 Samsung Galaxy S21+
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
5.5" diag.
16 : 9
? 6.7" diag.
20 : 9
Display Resolution & Type 1080 x 1920 pixels
(~469 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
? 1080 x 2400 pixels
(~393 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz ? 120 Hz
Battery 2,300 mAh 3,140 mAh ? 4,800 mAh
Processor 1.7 GHz Qualcomm Snapdragon 600 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? 2.8 GHz Qualcomm Snapdragon 888
RAM 2 GB 2 GB ? 8 GB
Storage 32 GB * 16 GB ? raw hardware 128 GB *
Main Camera 4 megapixel 13 megapixel - 12 megapixel
Wide Camera - - - 12 megapixel
Tele Camera - - - 64 megapixel
Video Capture 1080p HD 1080p HD - 8K
Front Camera 2 megapixel 5 megapixel - 10 megapixel
Weight 5.04 oz
(143g)
6.12 oz
(173g)
2.08 oz
(59g)
7.13 oz
(202g)
Dimensions 5.41" x 2.69" x 0.37"
(137 x 68 x 9.3 mm)
6.14" x 3.06" x 0.38"
(156 x 78 x 9.7 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.36" x 2.98" x 0.31"
(161 x 76 x 7.8 mm)
Form Factor Slab Slab Slab Slab
Platform / OS Android Android (proprietary) Android
Network Bands

4G LTE: 25

WCDMA: 1, 2

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 29, 30

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

GSM: 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

Data Technology LTE (Cat 3) LTE (Cat 4) - NR (5G)
Features 
Barometer - - - Yes
Fingerprint Reader - Yes
stand-alone
- Yes
in-display (ultrasonic)
Flashlight Yes Yes - Yes
GPS / Location n/a n/a - n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size n/a n/a - n/a
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes - Yes
Infrared (IR) Yes - - -
Mobile Hotspot n/a n/a - n/a
NFC Yes - - Yes
USB Yes
Micro-USB
Yes
USB Type C
- Yes
USB Type C
UWB - - - Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID n/a n/a - n/a
Ringer ID n/a n/a - n/a
Voice Dialing n/a n/a - n/a
Customization
Custom Graphics n/a n/a Yes n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a - n/a
Data & Network
Data Tethering n/a n/a - n/a
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot - Yes - -
Messaging
Email Client n/a n/a - n/a
EMS / Picture Messaging n/a n/a Yes n/a
Instant Messaging n/a n/a - n/a
MMS n/a n/a - n/a
Text Messaging Templates n/a n/a Yes n/a
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes Yes - -
Music Player n/a n/a - n/a
Stereo Speakers Yes - - Yes
Photo & Video
DLNA Yes - - -
Miracast Yes - - -
TV Output Yes - - Yes
Power
Fast Charging - - - Yes
Wireless Charging - - - Yes
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
To-Do List n/a n/a Yes n/a
Voice Memo n/a n/a - n/a
Software
Games n/a n/a Yes n/a
Voice
HD Voice Yes Yes - Yes
Speaker Phone Yes Yes - Yes
  HTC One (M7 / CDMA) ZTE Blade Spark Ericsson T66 Samsung Galaxy S21+
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC One (M7 / CDMA) ZTE Blade Spark Ericsson T66 Samsung Galaxy S21+

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