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Phone Sony Xperia Z3 Compact Samsung Galaxy S21+ Motorola Backflip
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 4.6" diag.
16 : 9
6.7" diag.
20 : 9
3.1" diag.
5 : 3
Display Resolution & Type 720 x 1280 pixels
(~319 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 120 Hz 60 Hz
Battery 2,600 mAh 4,800 mAh 1,400 mAh
Processor 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) 2.8 GHz Qualcomm Snapdragon 888 528 MHz Qualcomm MSM7201a
RAM 2 GB 8 GB ?
Storage 16 GB 128 GB * ? raw hardware
Main Camera 20 megapixel 12 megapixel 5 megapixel
Wide Camera - 12 megapixel -
Tele Camera - 64 megapixel -
Video Capture 4K UHD 8K CIF (352 x 288)
Front Camera 2 megapixel 10 megapixel -
Weight 4.55 oz
(129g)
7.13 oz
(202g)
4.7 oz
(133g)
Dimensions 5" x 2.56" x 0.34"
(127 x 65 x 8.6 mm)
6.36" x 2.98" x 0.31"
(161 x 76 x 7.8 mm)
4.25" x 2.09" x 0.6"
(108 x 53 x 15.3 mm)
Platform / OS Android Android Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17

WCDMA: 1, 2, 4, 5, 8

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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) NR (5G) HSPA 7.2
Features 
Barometer - Yes -
Fingerprint Reader - Yes
in-display (ultrasonic)
-
Flashlight - Yes -
Ruggedized Yes - -
Water-Resistant Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes Yes Yes
TTY/TDD (Digital) Yes Yes -
Connectivity
Bluetooth Yes Yes Yes
NFC Yes Yes -
USB Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
UWB - Yes -
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
802.11 b,g
Input
Side Keys Yes Yes Yes
Text Keyboard, Hardware - - Yes
Touch Screen Yes Yes Yes
Memory
Memory Card Slot Yes - Yes
Music
FM Radio Yes - -
Headphone Jack (3.5mm) Yes - Yes
Stereo Speakers Yes Yes -
Photo & Video
DLNA Yes - -
Miracast Yes - -
TV Output Yes Yes -
Power
Fast Charging Yes Yes -
Wireless Charging - Yes -
Voice
Call Screening Yes - -
HD Voice - Yes -
Speaker Phone Yes Yes Yes
  Sony Xperia Z3 Compact Samsung Galaxy S21+ Motorola Backflip
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sony Xperia Z3 Compact Samsung Galaxy S21+ Motorola Backflip

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