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Phone HTC G2 Samsung Galaxy S10e OnePlus 12 Samsung SGH-X820 AT&T Maestro 3
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.7" diag.
5 : 3
5.8" diag.
19 : 9
6.8" diag.
20 : 9
? 6.5" diag.
20 : 9
Display Resolution & Type 480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
1080 x 2280 pixels
(~435 ppi)
AMOLED
1440 x 3168 pixels
(~510 ppi)
AMOLED
220 x 176 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 120 Hz ? 60 Hz
Battery 1,300 mAh 3,100 mAh 5,400 mAh 650 mAh 3,900 mAh
Processor 800 MHz Qualcomm S2 MSM7230 2.8 GHz Qualcomm Snapdragon 855 Snapdragon 8 Gen 3 ? 2 GHz MediaTek Helio A22 (MT6761)
RAM ? 6 GB * 12 GB * ? 3 GB
Storage ? raw hardware 128 GB * 256 GB * ? raw hardware 32 GB
Main Camera 5 megapixel 12 megapixel 50 megapixel 2 megapixel 13 megapixel
Wide Camera - 16 megapixel 48 megapixel - 5 megapixel
Tele Camera - - 64 megapixel - -
Video Capture 720p HD 4K UHD 8K ? 1080p HD
Front Camera - 10 megapixel 32 megapixel - 5 megapixel
Weight 6.5 oz
(184g)
5.29 oz
(150g)
7.76 oz
(220g)
2.33 oz
(66g)
6.24 oz
(177g)
Dimensions 4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
5.6" x 2.75" x 0.31"
(142 x 70 x 7.9 mm)
6.47" x 2.98" x 0.36"
(164 x 76 x 9.1 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS Android Android Android (proprietary) Android
Network Bands

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 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

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

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 6, 8, 19

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 14, 30

Data Technology HSPA 14.4 LTE (Cat 20) NR (5G) EDGE LTE (Cat 4)
Features 
Barometer - Yes - - Yes
Fingerprint Reader - Yes
stand-alone
Yes
in-display (optical)
- Yes
stand-alone
Flashlight - Yes Yes - Yes
GPS / Location n/a n/a n/a - n/a
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 n/a
TTY/TDD (Digital) - Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
MirrorLink - Yes - - -
Mobile Hotspot n/a n/a n/a - n/a
NFC - Yes Yes - -
USB Yes 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
7 (802.11 a,ac,ax,b,be,g,n)
- Yes
5 (802.11 a,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
Voice Dialing n/a n/a n/a - 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
Real-Music Ringers n/a n/a n/a Yes n/a
Data & Network
Dual-SIM - Yes * Yes - -
External Antenna Jack n/a n/a n/a Yes n/a
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
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes 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
Instant Messaging n/a n/a n/a - n/a
MMS n/a n/a n/a Yes n/a
Text Messaging Templates n/a n/a n/a Yes n/a
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) Yes Yes - - Yes
Music Player n/a n/a n/a - n/a
Stereo Speakers - Yes - - -
Photo & Video
Miracast - Yes - - -
TV Output - Yes - Yes -
Power
Fast Charging - Yes Yes - -
Wireless Charging - Yes 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
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  HTC G2 Samsung Galaxy S10e OnePlus 12 Samsung SGH-X820 AT&T Maestro 3
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC G2 Samsung Galaxy S10e OnePlus 12 Samsung SGH-X820 AT&T Maestro 3

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