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Phone Samsung Galaxy S21 Motorola Defy (2010) Sony Ericsson W810 Motorola Rival A455 Casio G'zOne Boulder
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.2" diag.
20 : 9
3.6" diag.
16 : 9
? 2.2" diag.
4 : 3
2" diag.
4 : 3
Display Resolution & Type 1080 x 2400 pixels
(~424 ppi)
AMOLED
480 x 854 pixels
(~272 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh 120 Hz 60 Hz ? ? ?
Battery 4,000 mAh 1,540 mAh ? 940 mAh 810 mAh
Processor 2.8 GHz Qualcomm Snapdragon 888 800 MHz TI OMAP3610 ? ? ?
RAM 8 GB ? ? ? ?
Storage 128 GB * ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 12 megapixel 5 megapixel 2 megapixel 2 megapixel 1 megapixel
Wide Camera 12 megapixel - - - -
Tele Camera 64 megapixel - - - -
Video Capture 8K ? ? QVGA (320 x 240) ?
Front Camera 10 megapixel - - - -
Weight 6.03 oz
(171g)
4.16 oz
(118g)
3.49 oz
(99g)
4.48 oz
(127g)
4.9 oz
(139g)
Dimensions 5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
4.21" x 2.32" x 0.53"
(107 x 59 x 13.4 mm)
3.94" x 1.81" x 0.77"
(100 x 46 x 19.6 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
Form Factor Slab Slab Slab Slide Clamshell
Platform / OS Android Android (proprietary) (proprietary) (proprietary)
Network Bands

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, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology NR (5G) HSPA 7.2 EDGE EVDO r0 EVDO rA
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
in-display (ultrasonic)
- - - -
Flashlight Yes - Yes - Yes
GPS / Location n/a n/a - Yes Yes
Ruggedized - Yes - - Yes
Water-Resistant Yes
IPX8 (SCUBA)
- - - Yes
Accessibility
Hearing Aid Compatible Yes - - Yes Yes
Multiple Languages n/a n/a Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes - -
NFC Yes - - - -
USB Yes
USB Type C
Yes
Micro-USB
Yes Yes
Micro-USB
Yes
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
- - -
Contacts
Picture ID n/a n/a Yes Yes Yes
Ringer ID n/a n/a Yes Yes Yes
Voice Dialing n/a n/a Yes Yes Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics n/a n/a Yes Yes Yes
Custom Ringtones n/a n/a Yes Yes Yes
Real-Music Ringers n/a n/a Yes Yes -
Data & Network
Data Tethering n/a n/a Yes Yes Yes
External Antenna Jack n/a n/a Yes - -
WAP / Web Browser n/a n/a Yes Yes Yes
Input
Predictive Text Entry n/a n/a Yes - Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen Yes Yes - Yes -
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client n/a n/a Yes Yes -
EMS / Picture Messaging n/a n/a Yes Yes Yes
Instant Messaging n/a n/a Yes Yes -
MMS n/a n/a Yes Yes Yes
Text Messaging Templates n/a n/a Yes Yes Yes
Music
FM Radio - Yes Yes - -
Headphone Jack (3.5mm) - Yes - Yes -
Music Player n/a n/a Yes Yes Yes
Stereo Speakers Yes - - - -
Photo & Video
DLNA - Yes - - -
TV Output Yes - - - -
Power
Fast Charging Yes - - - -
Wireless Charging Yes - - - -
Productivity
Alarm n/a n/a Yes Yes Yes
Calculator n/a n/a Yes Yes Yes
Calendar n/a n/a Yes Yes Yes
To-Do List n/a n/a Yes - -
Voice Memo n/a n/a Yes Yes Yes
Software
BREW n/a n/a - Yes Yes
Games n/a n/a Yes Yes Yes
Java (J2ME) n/a n/a Yes - -
Voice
HD Voice Yes - - - -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Galaxy S21 Motorola Defy (2010) Sony Ericsson W810 Motorola Rival A455 Casio G'zOne Boulder
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S21 Motorola Defy (2010) Sony Ericsson W810 Motorola Rival A455 Casio G'zOne Boulder

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