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Phone ZTE Solar Motorola Defy (2010) Samsung Galaxy S21 Samsung Galaxy Note20 Palm Treo 650 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
3.6" diag.
16 : 9
6.2" diag.
20 : 9
6.7" diag.
20 : 9
?
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~272 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
1080 x 2400 pixels
(~393 ppi)
AMOLED
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 120 Hz 60 Hz ?
Battery 2,070 mAh 1,540 mAh 4,000 mAh 4,300 mAh ?
Processor 1.2 GHz Qualcomm Snapdragon 200 MSM8625 800 MHz TI OMAP3610 2.8 GHz Qualcomm Snapdragon 888 3.1 GHz Qualcomm Snapdragon 865+ 312 MHz Intel XScale PXA270
RAM 768 MB ? 8 GB 8 GB ?
Storage 4 GB ? raw hardware 128 GB * 128 GB ? raw hardware
Main Camera 5 megapixel 5 megapixel 12 megapixel 12 megapixel Yes
Wide Camera - - 12 megapixel 12 megapixel -
Tele Camera - - 64 megapixel 64 megapixel -
Video Capture WVGA / 480p ? 8K 8K QVGA (320 x 240)
Front Camera - - 10 megapixel 10 megapixel -
Weight 5.54 oz
(157g)
4.16 oz
(118g)
6.03 oz
(171g)
6.84 oz
(194g)
6.3 oz
(179g)
Dimensions 5.24" x 2.6" x 0.39"
(133 x 66 x 9.9 mm)
4.21" x 2.32" x 0.53"
(107 x 59 x 13.4 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
6.36" x 2.96" x 0.33"
(162 x 75 x 8.3 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
Platform / OS Android Android Android Android Palm OS
Network Bands

WCDMA: 2, 5

GSM: 850, 1900

WCDMA: 1, 4, 5

GSM: 850, 900, 1800, 1900

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

5G: 2, 5, 12, 25, 41, 66, 71, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 46, 48, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology HSPA 7.2 HSPA 7.2 NR (5G) NR (5G) 1xRTT
Features 
Barometer - - Yes Yes -
Fingerprint Reader - - Yes
in-display (ultrasonic)
Yes
in-display (ultrasonic)
-
Flashlight - - Yes Yes -
Ruggedized - Yes - - -
Water-Resistant - - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes - Yes Yes -
TTY/TDD (Digital) Yes Yes Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
NFC - - Yes Yes -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
-
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
-
Input
Side Keys Yes Yes Yes Yes Yes
Stylus - - - Yes -
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes - - Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) Yes Yes - - -
Stereo Speakers - - Yes Yes -
Photo & Video
DLNA - Yes - - -
TV Output - - Yes Yes -
Power
Fast Charging - - Yes Yes -
Wireless Charging - - Yes Yes -
Voice
HD Voice - - Yes Yes -
Speaker Phone Yes Yes Yes Yes Yes
  ZTE Solar Motorola Defy (2010) Samsung Galaxy S21 Samsung Galaxy Note20 Palm Treo 650 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Solar Motorola Defy (2010) Samsung Galaxy S21 Samsung Galaxy Note20 Palm Treo 650 (CDMA)

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