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Phone Nokia Lumia 635 (CDMA) Nokia 6275i BlackBerry 8820 Nokia Lumia 900 Nubia RedMagic 5S
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? ? 4.3" diag.
5 : 3
6.7" diag.
19.5 : 9
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
AMOLED
1080 x 2340 pixels
(~388 ppi)
AMOLED
Display Refresh ? ? ? ? 144 Hz
Battery 1,830 mAh 1,150 mAh 1,400 mAh 1,830 mAh 4,500 mAh
Processor 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ? ? 1.4 GHz Qualcomm S2 APQ8055 Qualcomm Snapdragon 865
RAM 512 MB ? ? 512 MB 8 GB *
Storage 8 GB ? raw hardware ? raw hardware 16 GB 128 GB *
Main Camera 5 megapixel 2 megapixel - 8 megapixel 64 megapixel
Wide Camera - - - - 8 megapixel
Tele Camera - - - - -
Video Capture 720p HD ? - 720p HD 4K UHD
Front Camera - - - 1 megapixel 8 megapixel
Weight 4.73 oz
(134g)
3.7 oz
(105g)
4.73 oz
(134g)
5.6 oz
(159g)
7.76 oz
(220g)
Dimensions 5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
4.29" x 1.69" x 0.67"
(109 x 43 x 17 mm)
4.49" x 2.6" x 0.55"
(114 x 66 x 14 mm)
5.03" x 2.7" x 0.45"
(128 x 69 x 11.4 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS Windows (proprietary) BlackBerry OS Windows Android
Network Bands

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 850, 900, 1800, 1900

4G LTE: 4, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

5G: 41, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) 1xRTT EDGE LTE (Cat 3) NR (5G)
Features 
Fingerprint Reader - - - - Yes
Flashlight - - - - Yes
GPS / Location n/a Yes n/a n/a n/a
Accessibility
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 Yes Yes Yes Yes
Infrared (IR) - Yes - - -
Mobile Hotspot n/a - n/a n/a n/a
USB Yes
Micro-USB
Yes Yes
Mini-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes Yes Yes
6 (802.11 a,ac,ax,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 Yes n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
Dual-SIM - - - - Yes
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 Yes - -
Messaging
Email Client n/a - n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio Yes Yes - Yes -
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player n/a Yes n/a n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA 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
BREW n/a Yes * n/a n/a n/a
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes * n/a n/a n/a
Voice
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Push-To-Talk - - Yes * - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Nokia Lumia 635 (CDMA) Nokia 6275i BlackBerry 8820 Nokia Lumia 900 Nubia RedMagic 5S
  X > < X > < X > < X > < X

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

 
Phone Nokia Lumia 635 (CDMA) Nokia 6275i BlackBerry 8820 Nokia Lumia 900 Nubia RedMagic 5S

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