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Phone Samsung Galaxy S21 HTC One V Samsung SCH-A990 Apple iPhone 4 (GSM) Asus PadFone X
Current U.S. Carriers Verizon (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.2" diag.
20 : 9
3.7" diag.
5 : 3
? 3.5" diag.
5 : 3
5" diag.
16 : 9
Display Resolution & Type 1080 x 2400 pixels
(~424 ppi)
AMOLED
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
Display Refresh 120 Hz 60 Hz ? 60 Hz 60 Hz
Battery 4,000 mAh 1,500 mAh 1,000 mAh ? 2,300 mAh
Processor 2.8 GHz Qualcomm Snapdragon 888 1 GHz Qualcomm Snapdragon S2 MSM8655 ? Apple A4 2.3 GHz Qualcomm Snapdragon 800
RAM 8 GB 512 MB ? ? 2 GB
Storage 128 GB * 4 GB ? raw hardware 32 GB * 16 GB
Main Camera 12 megapixel 5 megapixel 3 megapixel 5 megapixel 13 megapixel
Wide Camera 12 megapixel - - - -
Tele Camera 64 megapixel - - - -
Video Capture 8K 720p HD ? 720p HD 4K UHD
Front Camera 10 megapixel - - Yes 2 megapixel
Weight 6.03 oz
(171g)
4.06 oz
(115g)
4.4 oz
(125g)
4.8 oz
(136g)
5.29 oz
(150g)
Dimensions 5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
4.74" x 2.35" x 0.36"
(120 x 60 x 9.1 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
5.67" x 2.85" x 0.39"
(144 x 72 x 10 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS Android Android (proprietary) iOS Android
Network Bands

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

CDMA: 850, 1700, 1900

*

CDMA: 850, 1900

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 17

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology NR (5G) EVDO rA EVDO r0 HSPA 7.2 LTE (Cat 4)
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
in-display (ultrasonic)
- - - -
Flashlight Yes - Yes - -
GPS / Location n/a n/a Yes n/a n/a
Water-Resistant Yes
IPX8 (SCUBA)
- - - -
Accessibility
Adjustable Text Size n/a n/a - n/a n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages n/a n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot n/a n/a - n/a n/a
NFC Yes - - - Yes
USB Yes
USB Type C
Yes
Micro-USB
Yes Yes Yes
Micro-USB
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a Yes n/a n/a
Ringer ID n/a n/a Yes n/a n/a
Voice Dialing n/a n/a Yes n/a n/a
Customization
Custom Graphics n/a n/a Yes n/a n/a
Custom Ringtones n/a n/a Yes n/a n/a
Real-Music Ringers n/a n/a Yes n/a n/a
Data & Network
Data Tethering n/a n/a Yes n/a n/a
WAP / Web Browser n/a n/a Yes n/a n/a
Input
Predictive Text Entry n/a n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client n/a n/a - n/a n/a
EMS / Picture Messaging n/a n/a Yes n/a n/a
Instant Messaging n/a n/a - n/a n/a
MMS n/a n/a Yes n/a n/a
Text Messaging Templates n/a n/a Yes n/a n/a
Music
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player n/a n/a Yes n/a n/a
Stereo Speakers Yes - Yes - -
Photo & Video
Miracast - - - - Yes
TV Output Yes - Yes Yes -
Power
Fast Charging Yes - - - -
Wireless Charging Yes - - - Yes
Productivity
Alarm n/a n/a Yes n/a n/a
Calculator n/a n/a Yes n/a n/a
Calendar n/a n/a Yes n/a n/a
To-Do List n/a n/a - n/a n/a
Voice Memo n/a n/a Yes n/a n/a
Software
BREW n/a n/a Yes n/a n/a
Games n/a n/a Yes n/a n/a
Voice
HD Voice Yes - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy S21 HTC One V Samsung SCH-A990 Apple iPhone 4 (GSM) Asus PadFone X
  X > < X > < X > < X > < X

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Phone Samsung Galaxy S21 HTC One V Samsung SCH-A990 Apple iPhone 4 (GSM) Asus PadFone X

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