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Phone HTC One (M7 / CDMA) Samsung Gravity TXT Google Pixel 6a Samsung Galaxy A21
Current U.S. Carriers (none) (none) Tracfone
Verizon
(none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
2.4" diag.
4 : 3
6.1" diag.
20 : 9
6.5" diag.
20 : 9
Display Resolution & Type 1080 x 1920 pixels
(~469 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~431 ppi)
AMOLED
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 60 Hz
Battery 2,300 mAh 1,000 mAh 4,410 mAh 4,000 mAh
Processor 1.7 GHz Qualcomm Snapdragon 600 ? Google Tensor 2 GHz MediaTek Helio P35 (MT6765)
RAM 2 GB ? 6 GB 3 GB
Storage 32 GB * ? raw hardware 128 GB 32 GB
Main Camera 4 megapixel 2 megapixel 12 megapixel 16 megapixel
Wide Camera - - 12 megapixel 8 megapixel
Tele Camera - - - -
Video Capture 1080p HD QVGA (320 x 240) 4K UHD 1080p HD
Front Camera 2 megapixel - 8 megapixel 13 megapixel
Weight 5.04 oz
(143g)
3.95 oz
(112g)
6.3 oz
(179g)
6.81 oz
(193g)
Dimensions 5.41" x 2.69" x 0.37"
(137 x 68 x 9.3 mm)
4.41" x 2.09" x 0.55"
(112 x 53 x 14 mm)
6" x 2.8" x 0.35"
(152 x 71 x 8.9 mm)
6.61" x 3.02" x 0.32"
(168 x 77 x 8.1 mm)
Form Factor Slab Slide Slab Slab
Platform / OS Android (proprietary) Android Android
Network Bands

4G LTE: 25

WCDMA: 1, 2

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 4

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 48, 66, 71, 77-C, 78, 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, 48, 66, 71

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

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) HSPA 7.2 NR (5G) LTE (Cat 6)
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
in-display (optical)
Yes
stand-alone
Flashlight Yes - Yes Yes
GPS / Location n/a Yes n/a n/a
Water-Resistant - - Yes
IPX7 (snorkeling)
-
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, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes n/a n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) Yes - - -
Mobile Hotspot n/a - n/a n/a
NFC Yes - Yes Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
6E (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes n/a n/a
Ringer ID n/a Yes n/a n/a
Voice Dialing n/a Yes n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a
Custom Ringtones n/a Yes n/a n/a
Real-Music Ringers n/a Yes n/a n/a
Data & Network
Data Tethering n/a - n/a n/a
Dual-SIM - - Yes -
WAP / Web Browser n/a Yes n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client n/a Yes n/a n/a
Instant Messaging n/a Yes n/a n/a
MMS n/a Yes n/a n/a
Text Messaging Templates n/a Yes n/a n/a
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes Yes - Yes
Music Player n/a Yes n/a n/a
Stereo Speakers Yes - Yes -
Photo & Video
DLNA Yes - - -
Miracast Yes - - -
TV Output Yes - - -
Power
Fast Charging - - Yes Yes
Productivity
Alarm n/a Yes n/a n/a
Calculator n/a Yes n/a n/a
Calendar n/a Yes n/a n/a
To-Do List n/a - n/a n/a
Voice Memo n/a Yes n/a n/a
Software
Games n/a Yes n/a n/a
Java (J2ME) n/a Yes n/a n/a
Voice
HD Voice Yes - Yes Yes
Speaker Phone Yes Yes Yes Yes
  HTC One (M7 / CDMA) Samsung Gravity TXT Google Pixel 6a Samsung Galaxy A21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC One (M7 / CDMA) Samsung Gravity TXT Google Pixel 6a Samsung Galaxy A21

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