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Phone Samsung Highlight SGH-T749 Samsung SPH-N400 Asus Zenfone 8 Ericsson R278d Samsung Trance SCH-U490
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 3" diag.
5 : 3
? 5.9" diag.
20 : 9
? 2.1" diag.
4 : 3
Display Resolution & Type 240 x 400 pixels
(~155 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
1080 x 2400 pixels
(~446 ppi)
AMOLED
101 x 40 pixels 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 120 Hz ? ?
Battery 1,200 mAh ? 4,000 mAh ? ?
Processor ? ? 2.8 GHz Qualcomm Snapdragon 888 ? ?
RAM ? ? 8 GB ? ?
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware ? raw hardware
Main Camera 3 megapixel - 64 megapixel - 1 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - 8K - -
Front Camera - - 12 megapixel - -
Weight 3.7 oz
(105g)
4 oz
(113g)
5.96 oz
(169g)
9.28 oz
(263g)
3.53 oz
(100g)
Dimensions 4.27" x 2.11" x 0.54"
(108 x 54 x 13.7 mm)
4.25" x 2.04" x 0.82"
(108 x 52 x 20.8 mm)
5.83" x 2.7" x 0.35"
(148 x 69 x 8.9 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
Form Factor Slab Flip Slab Slab Slide
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 25, 26, 30, 34, 38, 39, 40, 41, 66, 71

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

GSM: 850, 900, 1800, 1900

TDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology HSDPA 3.6 1xRTT NR (5G) - 1xRTT
Features 
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight - - Yes - -
GPS / Location Yes Yes n/a - Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - - n/a - Yes
Hearing Aid Compatible - - - - Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) - Yes - - Yes
Alerts
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth Yes - Yes - Yes
NFC - - Yes - -
USB Yes Yes Yes
USB Type C
- Yes
Wi-Fi - - Yes
6E (802.11 a,ac,ax,b,g,n)
- -
Contacts
Picture ID Yes Yes n/a - Yes
Ringer ID Yes Yes n/a - Yes
Voice Dialing Yes Yes n/a - Yes
Customization
Custom Graphics Yes Yes n/a - Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers Yes - n/a - Yes
Data & Network
Data Tethering - Yes n/a Yes Yes
Dual-SIM - - Yes - -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - Yes
Capacitive
- -
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client Yes - n/a - -
Instant Messaging Yes - n/a - -
MMS Yes - n/a - Yes
Text Messaging Templates Yes - n/a - Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes - n/a - Yes
Stereo Speakers - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a - Yes
Calendar Yes Yes n/a - Yes
To-Do List Yes Yes n/a - -
Voice Memo - - n/a - Yes
Software
BREW - - n/a - Yes
Games Yes Yes n/a - Yes
Java (J2ME) Yes Yes n/a - -
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - Yes n/a - -
Speaker Phone Yes Yes Yes - Yes
  Samsung Highlight SGH-T749 Samsung SPH-N400 Asus Zenfone 8 Ericsson R278d Samsung Trance SCH-U490
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Highlight SGH-T749 Samsung SPH-N400 Asus Zenfone 8 Ericsson R278d Samsung Trance SCH-U490

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