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Phone Samsung Galaxy S6 (GSM) NEC 525 Samsung SGH-D520 Samsung Galaxy A23 5G
Current U.S. Carriers (none) (none) (none) Verizon
Global Availability Released Released Released Released
Specifications 
Display Size 5.1" diag.
16 : 9
? ? 6.6" diag.
20 : 9
Display Resolution & Type 1440 x 2560 pixels
(~576 ppi)
AMOLED
162 x 216 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1080 x 2408 pixels
(~400 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 120 Hz
Battery 2,550 mAh 800 mAh 800 mAh 5,000 mAh
Processor 2.1 GHz Samsung Exynos 7420 ? ? 2.2 GHz Snapdragon 695
RAM 3 GB ? ? 4 GB
Storage 32 GB * ? raw hardware ? raw hardware 64 GB
Main Camera 16 megapixel Yes 1 megapixel 50 megapixel
Wide Camera - - - 5 megapixel
Tele Camera - - - -
Video Capture 4K UHD - CIF (352 x 288) 1080p HD
Front Camera 5 megapixel - - 8 megapixel
Weight 4.87 oz
(138g)
4.03 oz
(114g)
3.32 oz
(94g)
6.87 oz
(195g)
Dimensions 5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.12" x 1.88" x 1.06"
(105 x 48 x 26.9 mm)
3.98" x 1.81" x 0.63"
(101 x 46 x 16 mm)
6.47" x 3.02" x 0.33"
(164 x 77 x 8.4 mm)
Form Factor Slab Clamshell Slide Slab
Platform / OS Android (proprietary) (proprietary) Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

5G: 2, 5, 25, 30, 41, 48, 66, 70, 71, 77-C

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 29, 30, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) GPRS GPRS NR (5G)
Features 
Barometer - - - Yes
Fingerprint Reader Yes - - Yes
stand-alone
Flashlight Yes - - Yes
VR-ready Yes - - -
Water-Resistant - - - Yes
IPX7 (snorkeling)
Accessibility
Hearing Aid Compatible Yes - - Yes
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display - Yes - -
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes - Yes Yes
Infrared (IR) Yes Yes - -
MirrorLink Yes - - -
NFC Yes - - Yes
USB Yes
Micro-USB
Yes - Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a Yes - n/a
Customization
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Data & Network
Data Tethering n/a Yes Yes n/a
External Antenna Jack n/a - Yes n/a
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes - - Yes
Memory
Memory Card Slot - - - Yes
Messaging
Email Client n/a Yes Yes n/a
EMS / Picture Messaging n/a Yes - n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a - Yes n/a
Music
Headphone Jack (3.5mm) Yes - - Yes
Stereo Speakers - - - Yes
Photo & Video
DLNA Yes - - -
Miracast Yes - - -
TV Output Yes - - -
Power
Fast Charging Yes - - Yes
Wireless Charging Yes - - -
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
To-Do List n/a Yes Yes n/a
Voice Memo n/a Yes Yes n/a
Software
Games n/a Yes Yes n/a
Java (J2ME) n/a Yes Yes n/a
Voice
HD Voice Yes - - Yes
Headset Jack (2.5 mm) n/a Yes - n/a
Speaker Phone Yes - Yes Yes
  Samsung Galaxy S6 (GSM) NEC 525 Samsung SGH-D520 Samsung Galaxy A23 5G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S6 (GSM) NEC 525 Samsung SGH-D520 Samsung Galaxy A23 5G

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