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Phone Samsung SGH-X640 ZTE Grand X Samsung Saga i770 Samsung Galaxy S22 LG AX-390 / UX-390
Current U.S. Carriers (none) (none) (none) Verizon (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5" diag.
16 : 9
2.6" diag.
1 : 1
6.1" diag.
19.5 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
320 x 320 pixels
(~177 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~422 ppi)
AMOLED
128 x 128 pixels
LCD (STN)
Display Refresh ? 60 Hz ? 120 Hz ?
Battery 800 mAh 2,300 mAh 1,300 mAh 3,700 mAh 1,000 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon 200 MSM8210 384 MHz MSM7500 Snapdragon 8 Gen 1 ?
RAM ? 1 GB ? 8 GB ?
Storage ? raw hardware 4 GB ? raw hardware 128 GB * ? raw hardware
Main Camera Yes 5 megapixel 2 megapixel 50 megapixel -
Wide Camera - - - 12 megapixel -
Tele Camera - - - 10 megapixel -
Video Capture - 720p HD QVGA (320 x 240) 8K -
Front Camera - 1 megapixel - 10 megapixel -
Weight 3 oz
(85g)
6.06 oz
(172g)
4.59 oz
(130g)
5.93 oz
(168g)
3.74 oz
(106g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.7" x 2.87" x 0.37"
(145 x 73 x 9.4 mm)
4.88" x 2.44" x 0.53"
(124 x 62 x 13.5 mm)
5.75" x 2.78" x 0.3"
(146 x 71 x 7.6 mm)
3.82" x 1.98" x 0.94"
(97 x 50 x 23.9 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android Windows Mobile Professional Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 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

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS HSPA+ 21 EVDO rA NR (5G) 1xRTT
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
in-display (ultrasonic)
-
Flashlight - - - Yes -
GPS / Location - n/a n/a n/a Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - - - Yes
Connectivity
Bluetooth - Yes Yes Yes -
NFC - - - Yes -
USB - Yes
Micro-USB
Yes Yes
USB Type C
-
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a -
Voice Dialing - 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 - n/a n/a n/a Yes
Data & Network
Data Tethering - n/a n/a n/a -
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
Stylus - - Yes - -
Text Keyboard, Hardware - - Yes - -
Touch Screen - Yes
Capacitive
Yes
Resistive
Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes - -
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a -
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a -
Music
Headphone Jack (3.5mm) - Yes - - -
Music Player - n/a n/a n/a -
Stereo Speakers - - - Yes -
Photo & Video
TV Output - - - Yes -
Power
Fast Charging - - - 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
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
BREW - n/a n/a n/a Yes
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a -
Voice
HD Voice - Yes - Yes -
Headset Jack (2.5 mm) Yes n/a n/a n/a Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 ZTE Grand X Samsung Saga i770 Samsung Galaxy S22 LG AX-390 / UX-390
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 ZTE Grand X Samsung Saga i770 Samsung Galaxy S22 LG AX-390 / UX-390

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