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Phone Palm Treo 650 (CDMA) Visible Midnight LG K20 / Harmony / Grace BlackBerry Curve 9370 Samsung SCH-A530
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 6.5" diag.
20 : 9
5.3" diag.
16 : 9
2.4" diag.
4 : 3
?
Display Resolution & Type 320 x 320 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
480 x 360 pixels
(~246 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery ? 4,000 mAh 2,800 mAh 1,000 mAh ?
Processor 312 MHz Intel XScale PXA270 MediaTek Helio P22 (MT6762) 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 800 MHz Marvell ?
RAM ? 3 GB 1.5 GB ? ?
Storage ? raw hardware 32 GB 16 GB 1 GB ? raw hardware
Main Camera Yes 13 megapixel 8 megapixel 5 megapixel -
Wide Camera - 5 megapixel - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) 1080p HD 1080p HD VGA (640 x 480) -
Front Camera - 8 megapixel 5 megapixel - -
Weight 6.3 oz
(179g)
6.35 oz
(180g)
5 oz
(142g)
3.49 oz
(99g)
3 oz
(85g)
Dimensions 4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
6.53" x 3" x 0.34"
(166 x 76 x 8.6 mm)
5.9" x 3" x 0.3"
(150 x 76 x 7.6 mm)
4.29" x 2.36" x 0.43"
(109 x 60 x 10.9 mm)
3.18" x 1.67" x 0.9"
(81 x 42 x 22.9 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS Palm OS Android Android BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 66

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT LTE (Cat 4) LTE (Cat 4) EVDO rA 1xRTT
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes Yes - -
GPS / Location n/a n/a n/a n/a Yes
Accessibility
Adjustable Text Size n/a n/a n/a n/a -
Hearing Aid Compatible - Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
-
Multiple Languages n/a n/a n/a n/a Yes
TTY/TDD (Digital) - - Yes Yes -
Alerts
Extra Display - - - - Yes
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes -
Infrared (IR) Yes - - - -
NFC - - Yes * Yes -
USB - Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a n/a n/a n/a Yes
Ringer ID n/a n/a n/a n/a Yes
Voice Dialing n/a n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a n/a -
Data & Network
Data Tethering n/a n/a n/a n/a Yes
WAP / Web Browser n/a n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes -
Touch Screen Yes Yes
Capacitive
Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client n/a n/a n/a n/a -
Instant Messaging n/a n/a n/a n/a -
MMS n/a n/a n/a n/a -
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player n/a n/a n/a n/a -
Power
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a n/a n/a Yes
Calculator n/a n/a n/a n/a Yes
Calendar n/a n/a n/a n/a Yes
To-Do List n/a n/a n/a n/a Yes
Voice Memo n/a n/a n/a n/a Yes
Software
BREW n/a n/a n/a n/a Yes
Games n/a n/a n/a n/a Yes
Java (J2ME) n/a n/a n/a n/a -
Voice
HD Voice - Yes Yes - -
Headset Jack (2.5 mm) n/a n/a n/a n/a Yes
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Palm Treo 650 (CDMA) Visible Midnight LG K20 / Harmony / Grace BlackBerry Curve 9370 Samsung SCH-A530
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Palm Treo 650 (CDMA) Visible Midnight LG K20 / Harmony / Grace BlackBerry Curve 9370 Samsung SCH-A530

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