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Phone Samsung SGH-X820 Nokia E66 Samsung Galaxy S6 (GSM) Nokia 6170 TCL 20 Pro 5G
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
5.1" diag.
16 : 9
? 6.7" diag.
20 : 9
Display Resolution & Type 220 x 176 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~395 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 650 mAh 1,000 mAh 2,550 mAh 760 mAh 4,500 mAh
Processor ? ? 2.1 GHz Samsung Exynos 7420 ? 2 GHz Qualcomm Snapdragon 750G
RAM ? ? 3 GB ? 6 GB
Storage ? raw hardware ? raw hardware 32 GB * ? raw hardware 256 GB
Main Camera 2 megapixel 3 megapixel 16 megapixel Yes 48 megapixel
Wide Camera - - - - 16 megapixel
Tele Camera - - - - -
Video Capture ? QVGA (320 x 240) 4K UHD ? 4K UHD
Front Camera - - 5 megapixel - 32 megapixel
Weight 2.33 oz
(66g)
4.27 oz
(121g)
4.87 oz
(138g)
4.34 oz
(123g)
6.82 oz
(193g)
Dimensions 4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
4.21" x 1.93" x 0.51"
(107 x 49 x 13 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
3.46" x 1.81" x 0.94"
(88 x 46 x 23.9 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
Form Factor Slab Slide Slab Clamshell Slab
Platform / OS (proprietary) S60 (Symbian) Android (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

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, 1800, 1900

*

5G: 2, 5, 7, 41, 66, 71, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EDGE HSDPA 3.6 LTE (Cat 6) EDGE NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - Yes - Yes
in-display (optical)
Flashlight - - Yes - Yes
GPS / Location - n/a n/a - n/a
VR-ready - - Yes - -
Water-Resistant - - - - Yes
IPX2 (drip)
Accessibility
Hearing Aid Compatible - - Yes - Yes
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
Infrared (IR) - Yes Yes Yes Yes
MirrorLink - - Yes - -
NFC - - Yes - Yes
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi - Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a - n/a
Voice Dialing - n/a n/a Yes n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers Yes n/a n/a - n/a
Data & Network
Data Tethering - n/a n/a Yes n/a
External Antenna Jack Yes n/a n/a - n/a
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes - Yes
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client Yes n/a n/a Yes n/a
EMS / Picture Messaging Yes n/a n/a Yes n/a
Instant Messaging - n/a n/a Yes n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
FM Radio - Yes - - Yes
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - n/a n/a - n/a
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
TV Output Yes - Yes - -
Video Calling - n/a n/a - n/a
Power
Fast Charging - - Yes - Yes
Wireless Charging - - Yes - Yes
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a Yes n/a
Voice Memo Yes n/a n/a Yes n/a
Software
Games Yes n/a n/a Yes n/a
Java (J2ME) Yes n/a n/a Yes n/a
Voice
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) - n/a n/a - n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X820 Nokia E66 Samsung Galaxy S6 (GSM) Nokia 6170 TCL 20 Pro 5G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X820 Nokia E66 Samsung Galaxy S6 (GSM) Nokia 6170 TCL 20 Pro 5G

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