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Phone ZTE Speed ZTE Z221 Asus ROG Phone II Nokia 6315i
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size 4.5" diag.
16 : 9
2" diag.
4 : 3
6.6" diag.
19.5 : 9
?
Display Resolution & Type 540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 120 Hz ?
Battery 2,000 mAh 900 mAh 6,000 mAh 950 mAh
Processor 1.2 GHz Qualcomm Snapdragon 410 MSM8916 ? 3 GHz Qualcomm Snapdragon 855 Plus ?
RAM 1 GB ? 12 GB ?
Storage 8 GB 142 MB 512 GB ? raw hardware
Main Camera 5 megapixel Yes 48 megapixel 1 megapixel
Wide Camera - - 13 megapixel -
Tele Camera - - - -
Video Capture 720p HD QCIF (176 x 144) 4K UHD ?
Front Camera 2 megapixel - 24 megapixel -
Weight 4.8 oz
(136g)
3.24 oz
(92g)
8.47 oz
(240g)
3.34 oz
(95g)
Dimensions 5.3" x 2.6" x 0.4"
(135 x 66 x 10.2 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
3.52" x 1.87" x 0.72"
(89 x 47 x 18.3 mm)
Form Factor Slab Clamshell Slab Clamshell
Platform / OS Android (proprietary) Android (proprietary)
Network Bands

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology LTE (Cat 3) HSDPA 3.6 LTE (Cat 20) EVDO r0
Features 
Fingerprint Reader - - Yes
in-display (optical)
-
Flashlight - - Yes -
GPS / Location n/a Yes n/a Yes
Accessibility
Adjustable Text Size n/a - n/a -
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display - Yes - Yes
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a - n/a -
NFC - - Yes -
USB Yes
Micro-USB
Yes Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a - n/a Yes
Ringer ID n/a - n/a Yes
Voice Dialing n/a - n/a Yes
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a -
Data & Network
Data Tethering n/a - n/a Yes
Dual-SIM - - Yes -
External Antenna Jack n/a - n/a Yes
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes - Yes -
Memory
Memory Card Slot Yes - - Yes
Messaging
Email Client n/a Yes n/a -
Instant Messaging n/a Yes n/a -
MMS n/a Yes n/a Yes
Text Messaging Templates n/a Yes n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes - Yes -
Music Player n/a - n/a Yes
Stereo Speakers - - Yes -
Photo & Video
TV Output - - Yes -
Power
Fast Charging - - Yes -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
Voice Memo n/a Yes n/a -
Software
BREW n/a - n/a Yes
Games n/a Yes n/a Yes
Java (J2ME) n/a Yes n/a -
Voice
HD Voice Yes - - -
Headset Jack (2.5 mm) n/a - n/a Yes
Speaker Phone Yes Yes Yes Yes
  ZTE Speed ZTE Z221 Asus ROG Phone II Nokia 6315i
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Phone ZTE Speed ZTE Z221 Asus ROG Phone II Nokia 6315i

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