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Phone Ericsson T66 Asus ROG Phone II Samsung Glyde U940 ZTE Aspect Apple iPhone 3G
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size ? 6.6" diag.
19.5 : 9
2.8" diag.
16.5 : 9
2.4" diag.
4 : 3
3.5" diag.
5 : 3
Display Resolution & Type ? 1080 x 2340 pixels
(~391 ppi)
AMOLED
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
Display Refresh ? 120 Hz ? ? 60 Hz
Battery ? 6,000 mAh 1,000 mAh 1,000 mAh ?
Processor ? 3 GHz Qualcomm Snapdragon 855 Plus ? 230 MHz Qualcomm QSC6270 ?
RAM ? 12 GB ? 128 MB ?
Storage ? raw hardware 512 GB ? raw hardware 256 MB 16 GB *
Main Camera - 48 megapixel 2 megapixel 2 megapixel 2 megapixel
Wide Camera - 13 megapixel - - -
Tele Camera - - - - -
Video Capture - 4K UHD QVGA (320 x 240) QVGA (320 x 240) -
Front Camera - 24 megapixel - - -
Weight 2.08 oz
(59g)
8.47 oz
(240g)
4.2 oz
(119g)
3.7 oz
(105g)
4.7 oz
(133g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
4.55" x 2.4" x 0.45"
(116 x 61 x 11.4 mm)
4.52" x 2.44" x 0.49"
(115 x 62 x 12.4 mm)
Form Factor Slab Slab Slide Slab Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) iOS
Network Bands

GSM: 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

WCDMA: 2, 4

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology - LTE (Cat 20) EVDO r0 WCDMA (UMTS) HSDPA 3.6
Features 
Fingerprint Reader - Yes
in-display (optical)
- - -
Flashlight - Yes - - -
GPS / Location - n/a Yes Yes n/a
Accessibility
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages Yes n/a Yes Yes n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC - Yes - - -
USB - Yes
USB Type C
Yes Yes
Micro-USB
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- - Yes
802.11 b,g
Contacts
Picture ID - n/a Yes Yes n/a
Ringer ID - n/a Yes Yes n/a
Voice Dialing - n/a Yes - n/a
Customization
Custom Graphics Yes n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers - n/a Yes Yes n/a
Data & Network
Data Tethering - n/a Yes - n/a
Dual-SIM - Yes - - -
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry Yes n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - n/a - Yes n/a
EMS / Picture Messaging Yes n/a - - n/a
MMS - n/a Yes Yes n/a
Text Messaging Templates Yes n/a Yes Yes n/a
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player - n/a Yes Yes n/a
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - Yes
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
To-Do List Yes n/a - - n/a
Voice Memo - n/a - Yes n/a
Software
BREW - n/a Yes - n/a
Games Yes n/a Yes Yes n/a
Java (J2ME) - n/a - Yes n/a
Voice
Headset Jack (2.5 mm) - n/a Yes - n/a
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  Ericsson T66 Asus ROG Phone II Samsung Glyde U940 ZTE Aspect Apple iPhone 3G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T66 Asus ROG Phone II Samsung Glyde U940 ZTE Aspect Apple iPhone 3G

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