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Phone Nokia XR21 Samsung SPH-N270 (Matrix Phone) Nokia 6620 Microsoft Lumia 550 LG Optimus G (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
? ? 4.7" diag.
16 : 9
4.7" diag.
5 : 3
Display Resolution & Type 1080 x 2400 pixels
(~406 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
176 x 208 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
768 x 1280 pixels
(~318 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? 60 Hz
Battery 4,800 mAh 1,000 mAh 850 mAh 2,100 mAh 2,100 mAh
Processor Snapdragon 695 ? ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 1.5 GHz Qualcomm Snapdragon S4 Pro
RAM 6 GB ? ? 1 GB 2 GB
Storage 128 GB ? raw hardware ? raw hardware 8 GB 32 GB
Main Camera 64 megapixel - Yes 5 megapixel 13 megapixel
Wide Camera 8 megapixel - - - -
Tele Camera - - - - -
Video Capture 1080p HD - QCIF (176 x 144) 720p HD 1080p HD
Front Camera 16 megapixel - - 2 megapixel 1 megapixel
Weight 8.16 oz
(231g)
4.66 oz
(132g)
4.37 oz
(124g)
5.01 oz
(142g)
5.11 oz
(145g)
Dimensions 6.61" x 3.09" x 0.41"
(168 x 78 x 10.4 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
4.28" x 2.29" x 0.93"
(109 x 58 x 23.6 mm)
5.36" x 2.67" x 0.39"
(136 x 68 x 9.9 mm)
5.19" x 2.71" x 0.33"
(132 x 69 x 8.5 mm)
Form Factor Slab Slide Slab Slab Slab
Platform / OS Android (proprietary) S60 (Symbian) Windows Android
Network Bands

5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 850, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 17

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 25

CDMA: 800, 850, 1900

Data Technology NR (5G) - EDGE LTE (Cat 4) LTE (Cat 3)
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
stand-alone
- - - -
Flashlight Yes - - Yes -
GPS / Location n/a Yes n/a n/a n/a
Ruggedized Yes - - - -
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
M3, T4 (very tele-coil compatible)
Yes
M4 (very compatible)
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Ringer Profiles - - Yes - Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - - Yes - -
Mobile Hotspot n/a - n/a n/a n/a
NFC Yes - - - Yes
USB Yes
USB Type C
- Yes 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
4 (802.11 a,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 - n/a n/a n/a
Custom Ringtones n/a - n/a n/a n/a
Real-Music Ringers n/a - n/a n/a n/a
Data & Network
Data Tethering n/a - n/a n/a n/a
Dual-SIM Yes - - - -
WAP / Web Browser n/a - n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes - - Yes Yes
Touch Screen Yes
Capacitive
- - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client n/a - n/a n/a n/a
EMS / Picture Messaging n/a - 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 - n/a n/a n/a
Music
FM Radio Yes - - Yes -
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player n/a - n/a n/a n/a
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
TV Output - - - - Yes
Power
Fast Charging 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 - n/a n/a n/a
Java (J2ME) n/a - n/a n/a n/a
Voice
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Speaker Phone Yes - Yes Yes Yes
  Nokia XR21 Samsung SPH-N270 (Matrix Phone) Nokia 6620 Microsoft Lumia 550 LG Optimus G (CDMA)
  X > < X > < X > < X > < X

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

 
Phone Nokia XR21 Samsung SPH-N270 (Matrix Phone) Nokia 6620 Microsoft Lumia 550 LG Optimus G (CDMA)

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