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Phone ZTE Obsidian Nokia C210 HP Elite x3 Ericsson T28 World
Current U.S. Carriers (none) Metro (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
6.3" diag.
19.5 : 9
6" diag.
16 : 9
?
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
720 x 1560 pixels
(~273 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~493 ppi)
AMOLED
?
Display Refresh 60 Hz 60 Hz ? ?
Battery 1,800 mAh 3,000 mAh 4,150 mAh 500 mAh
Processor 1 GHz MediaTek / MT6735M 2 GHz Snapdragon 662 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) ?
RAM 1 GB 3 GB 4 GB ?
Storage 8 GB 32 GB 64 GB ? raw hardware
Main Camera 5 megapixel 13 megapixel 16 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD 1080p HD 4K UHD -
Front Camera 2 megapixel 5 megapixel 8 megapixel -
Weight 4.66 oz
(132g)
5.86 oz
(166g)
6.84 oz
(194g)
3.14 oz
(89g)
Dimensions 5.41" x 2.7" x 0.39"
(137 x 69 x 10 mm)
6.28" x 2.91" x 0.34"
(160 x 74 x 8.6 mm)
6.36" x 3.29" x 0.31"
(162 x 84 x 7.9 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
Form Factor Slab Slab Slab Flip
Platform / OS Android Android Windows (proprietary)
Network Bands

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 25, 26, 40, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1900

Data Technology LTE (Cat 4) LTE (Cat 13) LTE (Cat 6) -
Features 
Barometer - Yes Yes -
Fingerprint Reader - - Yes -
Flashlight Yes Yes Yes -
GPS / Location n/a n/a n/a -
Water-Resistant - Yes
IPX2 (drip)
Yes
IPX7 (snorkeling)
-
Accessibility
Adjustable Text Size n/a n/a n/a -
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages n/a n/a n/a -
TTY/TDD (Digital) Yes - Yes -
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Mobile Hotspot n/a n/a n/a -
NFC - - Yes -
USB Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
-
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a n/a n/a -
Ringer ID n/a n/a n/a -
Voice Dialing n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a -
Custom Ringtones n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a -
Data & Network
Data Tethering n/a n/a n/a Yes
Dual-SIM - - Yes * -
WAP / Web Browser n/a n/a n/a -
Input
Predictive Text Entry n/a n/a n/a -
Side Keys Yes Yes Yes Yes
Touch Screen Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes -
Messaging
Email Client n/a n/a n/a -
Instant Messaging n/a n/a n/a -
MMS n/a n/a n/a -
Text Messaging Templates n/a n/a n/a -
Music
Headphone Jack (3.5mm) Yes Yes Yes -
Music Player n/a n/a n/a -
Stereo Speakers - - Yes -
Photo & Video
Miracast - - Yes -
TV Output - - Yes -
Power
Wireless Charging - - Yes -
Productivity
Alarm n/a n/a n/a Yes
Calculator n/a n/a n/a Yes
Calendar n/a n/a n/a -
Voice Memo n/a n/a n/a -
Software
Games n/a n/a n/a Yes
Voice
HD Voice - Yes - -
Speaker Phone Yes Yes Yes -
  * Some versions only
  ZTE Obsidian Nokia C210 HP Elite x3 Ericsson T28 World
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Obsidian Nokia C210 HP Elite x3 Ericsson T28 World

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