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Phone AT&T Vista Samsung SPH-N270 (Matrix Phone) Asus ROG Phone II Google Pixel 3a XL
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size 5.5" diag.
18 : 9
? 6.6" diag.
19.5 : 9
6" diag.
18 : 9
Display Resolution & Type 720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
1080 x 2160 pixels
(~402 ppi)
AMOLED
Display Refresh 60 Hz ? 120 Hz 60 Hz
Battery 2,450 mAh 1,000 mAh 6,000 mAh 3,700 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761V) ? 3 GHz Qualcomm Snapdragon 855 Plus 2 GHz Qualcomm Snapdragon 670
RAM 3 GB ? 12 GB 4 GB
Storage 32 GB ? raw hardware 512 GB 64 GB
Main Camera 8 megapixel - 48 megapixel 12 megapixel
Wide Camera - - 13 megapixel -
Tele Camera - - - -
Video Capture 1080p HD - 4K UHD 4K UHD
Front Camera 5 megapixel - 24 megapixel 8 megapixel
Weight 5.51 oz
(156g)
4.66 oz
(132g)
8.47 oz
(240g)
5.89 oz
(167g)
Dimensions 5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
Form Factor Slab Slide Slab Slab
Platform / OS Android (proprietary) Android Android
Network Bands

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

AMPS: 850

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

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) - LTE (Cat 20) LTE (Cat 11)
Features 
Barometer - - - Yes
Fingerprint Reader - - Yes
in-display (optical)
Yes
stand-alone
Flashlight Yes - Yes Yes
GPS / Location n/a Yes n/a n/a
Accessibility
Hearing Aid Compatible Yes - Yes Yes
Multiple Languages n/a Yes n/a n/a
TTY/TDD (Digital) - - - Yes
Connectivity
Bluetooth Yes - Yes Yes
NFC - - Yes Yes
USB Yes
USB Type C
- Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes n/a n/a
Ringer ID n/a Yes n/a n/a
Voice Dialing n/a Yes n/a n/a
Data & Network
Dual-SIM - - Yes -
Input
Predictive Text Entry n/a Yes n/a n/a
Side Keys Yes - Yes Yes
Touch Screen Yes - Yes Yes
Memory
Memory Card Slot Yes - - -
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes - Yes Yes
Stereo Speakers - - Yes Yes
Photo & Video
TV Output - - Yes -
Power
Fast Charging - - Yes Yes
Productivity
Alarm n/a Yes n/a n/a
Calculator n/a Yes n/a n/a
Calendar n/a Yes n/a n/a
To-Do List n/a Yes n/a n/a
Voice Memo n/a Yes n/a n/a
Voice
Call Screening - - - Yes
HD Voice Yes - - Yes
Headset Jack (2.5 mm) n/a Yes n/a n/a
Speaker Phone Yes - Yes Yes
  AT&T Vista Samsung SPH-N270 (Matrix Phone) Asus ROG Phone II Google Pixel 3a XL
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone AT&T Vista Samsung SPH-N270 (Matrix Phone) Asus ROG Phone II Google Pixel 3a XL

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