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Phone ZTE Solar Samsung SGH-X640 BlackBerry 8820 Palm Treo 600 (CDMA) ZTE Blade Spark
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? ? ? 5.5" diag.
16 : 9
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? 60 Hz
Battery 2,070 mAh 800 mAh 1,400 mAh ? 3,140 mAh
Processor 1.2 GHz Qualcomm Snapdragon 200 MSM8625 ? ? ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917)
RAM 768 MB ? ? ? 2 GB
Storage 4 GB ? raw hardware ? raw hardware ? raw hardware 16 GB
Main Camera 5 megapixel Yes - Yes 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture WVGA / 480p - - - 1080p HD
Front Camera - - - - 5 megapixel
Weight 5.54 oz
(157g)
3 oz
(85g)
4.73 oz
(134g)
6.2 oz
(176g)
6.12 oz
(173g)
Dimensions 5.24" x 2.6" x 0.39"
(133 x 66 x 9.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.49" x 2.6" x 0.55"
(114 x 66 x 14 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
6.14" x 3.06" x 0.38"
(156 x 78 x 9.7 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) BlackBerry OS Palm OS Android
Network Bands

WCDMA: 2, 5

GSM: 850, 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 29, 30

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology HSPA 7.2 GPRS EDGE 1xRTT LTE (Cat 4)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location n/a - n/a n/a n/a
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible Yes - - - Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes - Yes - Yes
Infrared (IR) - - - Yes -
USB Yes
Micro-USB
- Yes
Mini-USB
Yes Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a - n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a - n/a n/a n/a
Data & Network
Data Tethering n/a - n/a n/a n/a
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen Yes - - Yes Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a - n/a n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - n/a n/a n/a
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a Yes n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes n/a n/a n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Push-To-Talk - - Yes * - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE Solar Samsung SGH-X640 BlackBerry 8820 Palm Treo 600 (CDMA) ZTE Blade Spark
  X > < X > < X > < X > < X

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

 
Phone ZTE Solar Samsung SGH-X640 BlackBerry 8820 Palm Treo 600 (CDMA) ZTE Blade Spark

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