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Phone Samsung SCH-A990 Samsung Galaxy S6 (GSM) Google Pixel 3a XL Sony Xperia XZ1 Compact Motorola Krave ZN4
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.1" diag.
16 : 9
6" diag.
18 : 9
4.6" diag.
16 : 9
2.8" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
1080 x 2160 pixels
(~402 ppi)
AMOLED
720 x 1280 pixels
(~319 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz ?
Battery 1,000 mAh 2,550 mAh 3,700 mAh 2,700 mAh 950 mAh
Processor ? 2.1 GHz Samsung Exynos 7420 2 GHz Qualcomm Snapdragon 670 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ?
RAM ? 3 GB 4 GB 4 GB ?
Storage ? raw hardware 32 GB * 64 GB 32 GB ? raw hardware
Main Camera 3 megapixel 16 megapixel 12 megapixel 19 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 4K UHD 4K UHD 4K UHD QVGA (320 x 240)
Front Camera - 5 megapixel 8 megapixel 8 megapixel -
Weight 4.4 oz
(125g)
4.87 oz
(138g)
5.89 oz
(167g)
4.9 oz
(139g)
4.52 oz
(128g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
5.07" x 2.55" x 0.37"
(129 x 65 x 9.4 mm)
4.12" x 2.01" x 0.74"
(105 x 51 x 18.8 mm)
Form Factor Clamshell Slab Slab Slab Flip
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

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

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO r0 LTE (Cat 6) LTE (Cat 11) LTE (Cat 15) EVDO r0
Features 
Barometer - - Yes - -
Fingerprint Reader - Yes Yes
stand-alone
Yes *
stand-alone
-
Flashlight Yes Yes Yes Yes -
GPS / Location Yes n/a n/a n/a Yes
VR-ready - Yes - - -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes - - -
MirrorLink - Yes - - -
NFC - Yes Yes Yes -
USB Yes Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing Yes n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes n/a n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a n/a Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Yes
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client - n/a n/a n/a Yes
EMS / Picture Messaging Yes n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a Yes
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player Yes n/a n/a n/a Yes
Stereo Speakers Yes - Yes Yes -
Photo & Video
DLNA - Yes - Yes -
Miracast - Yes - Yes -
TV Output Yes Yes - - -
Power
Fast Charging - Yes Yes Yes -
Wireless Charging - Yes - - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
Voice Memo Yes n/a n/a n/a Yes
Software
BREW Yes n/a n/a n/a Yes
Games Yes n/a n/a n/a Yes
Voice
Call Screening - - Yes - -
HD Voice - Yes Yes Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A990 Samsung Galaxy S6 (GSM) Google Pixel 3a XL Sony Xperia XZ1 Compact Motorola Krave ZN4
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 Samsung Galaxy S6 (GSM) Google Pixel 3a XL Sony Xperia XZ1 Compact Motorola Krave ZN4

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