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Phone Apple iPhone 4 (CDMA) LG Bliss UX-700 Samsung Galaxy S21 Samsung SGH-T819
Current U.S. Carriers (none) (none) Verizon (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
3" diag.
5 : 3
6.2" diag.
20 : 9
?
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~155 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 120 Hz ?
Battery ? 1,000 mAh 4,000 mAh ?
Processor ? ? 2.8 GHz Qualcomm Snapdragon 888 ?
RAM ? ? 8 GB ?
Storage 8 GB * ? raw hardware 128 GB * ? raw hardware
Main Camera 5 megapixel 2 megapixel 12 megapixel 1 megapixel
Wide Camera - - 12 megapixel -
Tele Camera - - 64 megapixel -
Video Capture 720p HD QVGA (320 x 240) 8K QCIF (176 x 144)
Front Camera Yes - 10 megapixel -
Weight 4.8 oz
(136g)
3.42 oz
(97g)
6.03 oz
(171g)
3.46 oz
(98g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
4.23" x 2.28" x 0.47"
(107 x 58 x 11.9 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
3.96" x 2.03" x 0.55"
(101 x 52 x 14 mm)
Form Factor Slab Slab Slab Slide
Platform / OS iOS (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 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

WCDMA: 4

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA EVDO r0 NR (5G) WCDMA (UMTS)
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
in-display (ultrasonic)
-
Flashlight - - Yes -
GPS / Location n/a Yes n/a -
Water-Resistant - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size n/a Yes n/a -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) - Yes Yes -
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot n/a - n/a -
NFC - - Yes -
USB Yes Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID n/a Yes n/a Yes
Ringer ID n/a Yes n/a Yes
Voice Dialing n/a Yes n/a Yes
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a Yes
Data & Network
Data Tethering n/a Yes n/a Yes
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes Yes
Capacitive
-
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client n/a - n/a -
EMS / Picture Messaging n/a - n/a Yes
Instant Messaging n/a - n/a Yes
MMS n/a Yes n/a Yes
Text Messaging Templates n/a Yes n/a Yes
Music
Headphone Jack (3.5mm) Yes - - -
Music Player n/a Yes n/a Yes
Stereo Speakers - - Yes -
Photo & Video
TV Output Yes - Yes -
Video Calling n/a - n/a -
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a - n/a Yes
Voice Memo n/a Yes n/a -
Software
BREW n/a Yes n/a -
Games n/a Yes n/a Yes
Java (J2ME) n/a - n/a Yes
Voice
HD Voice - - Yes -
Speaker Phone Yes Yes Yes Yes
  Apple iPhone 4 (CDMA) LG Bliss UX-700 Samsung Galaxy S21 Samsung SGH-T819
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Apple iPhone 4 (CDMA) LG Bliss UX-700 Samsung Galaxy S21 Samsung SGH-T819

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