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Phone Pantech Duo C810 Nokia 6340i Samsung Galaxy S21 Nokia Lumia 530 Samsung Galaxy S6 (GSM)
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? 6.2" diag.
20 : 9
4" diag.
16 : 9
5.1" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
96 x 65 pixels 1080 x 2400 pixels
(~424 ppi)
AMOLED
480 x 854 pixels
(~245 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
Display Refresh ? ? 120 Hz ? 60 Hz
Battery 1,320 mAh 900 mAh 4,000 mAh 1,430 mAh 2,550 mAh
Processor ARM 920t PXA27x ? 2.8 GHz Qualcomm Snapdragon 888 1.2 GHz Qualcomm Snapdragon 200 (MSM8212) 2.1 GHz Samsung Exynos 7420
RAM ? ? 8 GB 512 MB 3 GB
Storage ? raw hardware ? raw hardware 128 GB * 4 GB 32 GB *
Main Camera 1 megapixel - 12 megapixel 5 megapixel 16 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 64 megapixel - -
Video Capture QVGA (320 x 240) - 8K WVGA / 480p 4K UHD
Front Camera - - 10 megapixel - 5 megapixel
Weight 3.88 oz
(110g)
4.4 oz
(125g)
6.03 oz
(171g)
4.55 oz
(129g)
4.87 oz
(138g)
Dimensions 4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
5.08" x 1.81" x 0.93"
(129 x 46 x 23.6 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
4.71" x 2.45" x 0.46"
(120 x 62 x 11.7 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
Form Factor Slide Slab Slab Slab Slab
Platform / OS Windows Mobile Standard (proprietary) Android Windows Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

TDMA: 850, 1900

AMPS: 850

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: 1, 2, 5, 8

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

*

Data Technology HSDPA 1.8 - NR (5G) HSPA+ 21 LTE (Cat 6)
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (ultrasonic)
- Yes
Flashlight - - Yes - Yes
GPS / Location n/a - n/a n/a n/a
VR-ready - - - - Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible - - Yes - Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes - - Yes
MirrorLink - - - - Yes
Mobile Hotspot n/a - n/a n/a n/a
NFC - - Yes - Yes
USB Yes - Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a - n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot Yes - - Yes -
Messaging
Email Client n/a - n/a n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a - n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - - Yes Yes
Music Player n/a - n/a n/a n/a
Stereo Speakers - - Yes - -
Photo & Video
DLNA - - - Yes Yes
Miracast - - - - Yes
TV Output - - Yes - Yes
Power
Fast Charging - - Yes - Yes
Wireless Charging - - Yes - Yes
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a Yes n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Voice
HD Voice - - Yes Yes Yes
Speaker Phone Yes - Yes Yes Yes
  Pantech Duo C810 Nokia 6340i Samsung Galaxy S21 Nokia Lumia 530 Samsung Galaxy S6 (GSM)
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Phone Pantech Duo C810 Nokia 6340i Samsung Galaxy S21 Nokia Lumia 530 Samsung Galaxy S6 (GSM)

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