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Phone Samsung SGH-X640 Samsung Transform Ultra Palm Treo 600 (CDMA) Ericsson T66 TCL 30 XE 5G
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.5" diag.
5 : 3
? ? 6.5" diag.
20 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
? 720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? 90 Hz
Battery 800 mAh 1,500 mAh ? ? 4,500 mAh
Processor ? 1 GHz Qualcomm Snapdragon S2 MSM8655 ? ? 2.2 GHz MediaTek Dimensity 700 (MT6833)
RAM ? ? ? ? 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 64 GB
Main Camera Yes 3 megapixel Yes - 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - VGA (640 x 480) - - 1080p HD
Front Camera - Yes - - 8 megapixel
Weight 3 oz
(85g)
4.9 oz
(139g)
6.2 oz
(176g)
2.08 oz
(59g)
6.88 oz
(195g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.5" x 2.4" x 0.55"
(114 x 61 x 14 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.46" x 2.95" x 0.34"
(164 x 75 x 8.5 mm)
Form Factor Clamshell Slide Slab Slab Slab
Platform / OS (proprietary) Android Palm OS (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 800, 850, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

5G: 25, 41, 66, 71, 77-C

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS EVDO rA 1xRTT - NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location - n/a n/a - n/a
Accessibility
Hearing Aid Compatible - Yes
M4 (very compatible)
- - Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth - Yes - - Yes
Infrared (IR) - - Yes - -
Mobile Hotspot - n/a n/a - n/a
USB - Yes Yes - Yes
USB Type C
Wi-Fi - Yes
4 (802.11 a,b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a - n/a
Ringer ID Yes n/a n/a - n/a
Voice Dialing - n/a n/a - n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers - n/a n/a - n/a
Data & Network
Data Tethering - n/a n/a - n/a
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - -
Touch Screen - Yes
Capacitive
Yes - Yes
Capacitive
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client - n/a n/a - n/a
EMS / Picture Messaging Yes n/a n/a Yes n/a
Instant Messaging - n/a n/a - n/a
MMS Yes n/a n/a - n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) - Yes - - Yes
Music Player - n/a n/a - n/a
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a Yes n/a
Voice Memo Yes n/a n/a - n/a
Software
Games Yes n/a n/a Yes n/a
Java (J2ME) Yes n/a n/a - n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes n/a n/a - n/a
Speaker Phone Yes Yes Yes - Yes
  Samsung SGH-X640 Samsung Transform Ultra Palm Treo 600 (CDMA) Ericsson T66 TCL 30 XE 5G
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Samsung Transform Ultra Palm Treo 600 (CDMA) Ericsson T66 TCL 30 XE 5G

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