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Phone Samsung SGH-X640 Samsung SCH-A990 Samsung Galaxy S22 LG Stylo 4 Sony Xperia XZ1
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 6.1" diag.
19.5 : 9
6.2" diag.
18 : 9
5.2" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~422 ppi)
AMOLED
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 120 Hz 60 Hz 60 Hz
Battery 800 mAh 1,000 mAh 3,700 mAh 3,300 mAh 2,700 mAh
Processor ? ? Snapdragon 8 Gen 1 1.8 GHz Qualcomm Snapdragon 450 2.5 GHz Qualcomm Snapdragon 835 (MSM8998)
RAM ? ? 8 GB 2 GB * 4 GB
Storage ? raw hardware ? raw hardware 128 GB * 32 GB * 64 GB
Main Camera Yes 3 megapixel 50 megapixel 13 megapixel 19 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 10 megapixel - -
Video Capture - ? 8K 1080p HD 4K UHD
Front Camera - - 10 megapixel 5 megapixel 13 megapixel
Weight 3 oz
(85g)
4.4 oz
(125g)
5.93 oz
(168g)
6.07 oz
(172g)
5.5 oz
(156g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.75" x 2.78" x 0.3"
(146 x 71 x 7.6 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
5.82" x 2.89" x 0.29"
(148 x 73 x 7.4 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

5G: 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS EVDO r0 NR (5G) LTE (Cat 6) LTE (Cat 16)
Features 
Barometer - - Yes - Yes
Fingerprint Reader - - Yes
in-display (ultrasonic)
Yes
stand-alone
Yes *
stand-alone
Flashlight - Yes Yes Yes Yes
GPS / Location - Yes n/a n/a n/a
Water-Resistant - - Yes
IPX8 (SCUBA)
- Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
NFC - - Yes Yes * Yes
USB - Yes Yes
USB Type C
Yes
USB Type C
Yes
USB Type C
Wi-Fi - - Yes
6 (802.11 a,ac,ax,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 Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing - Yes n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - Yes n/a n/a n/a
Data & Network
Data Tethering - Yes n/a n/a n/a
Dual-SIM - - - - Yes *
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - - Yes -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
EMS / Picture Messaging Yes Yes n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - - Yes Yes
Music Player - Yes n/a n/a n/a
Stereo Speakers - Yes Yes - Yes
Photo & Video
DLNA - - - Yes Yes
Miracast - - - - Yes
TV Output - Yes Yes - -
Power
Fast Charging - - Yes - Yes
Wireless Charging - - Yes - -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List Yes - n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW - Yes n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes - n/a n/a n/a
Voice
HD Voice - - Yes Yes Yes
Headset Jack (2.5 mm) Yes - n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Samsung SCH-A990 Samsung Galaxy S22 LG Stylo 4 Sony Xperia XZ1
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Samsung SCH-A990 Samsung Galaxy S22 LG Stylo 4 Sony Xperia XZ1

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