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Phone Samsung Captivate Glide Samsung Wafer R510 Casio G'zOne Boulder Samsung Galaxy S21
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
1.9" diag.
4 : 3
2" diag.
4 : 3
6.2" diag.
20 : 9
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
AMOLED
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh 60 Hz ? ? 120 Hz
Battery 1,650 mAh 800 mAh 810 mAh 4,000 mAh
Processor 1 GHz Nvidia Tegra 2 AP20H ? ? 2.8 GHz Qualcomm Snapdragon 888
RAM 1 GB ? ? 8 GB
Storage 8 GB ? raw hardware ? raw hardware 128 GB *
Main Camera 8 megapixel 1 megapixel 1 megapixel 12 megapixel
Wide Camera - - - 12 megapixel
Tele Camera - - - 64 megapixel
Video Capture 720p HD ? ? 8K
Front Camera 1 megapixel - - 10 megapixel
Weight 5.2 oz
(147g)
2.47 oz
(70g)
4.9 oz
(139g)
6.03 oz
(171g)
Dimensions 4.88" x 2.55" x 0.51"
(124 x 65 x 13 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Form Factor Slide Slab Clamshell Slab
Platform / OS Android (proprietary) (proprietary) Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 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

Data Technology HSPA+ 21 EVDO r0 EVDO rA NR (5G)
Features 
Barometer - - - Yes
Fingerprint Reader - - - Yes
in-display (ultrasonic)
Flashlight - - Yes Yes
GPS / Location n/a Yes Yes n/a
Ruggedized - - Yes -
Water-Resistant - - Yes Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a - - n/a
NFC - - - Yes
USB Yes
Micro-USB
- Yes Yes
USB Type C
Wi-Fi Yes - - Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a - Yes n/a
Voice Dialing n/a Yes Yes n/a
Customization
Changeable Body Plates - - Yes -
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a - - n/a
Data & Network
Data Tethering n/a - Yes n/a
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Touch Screen Yes - - Yes
Memory
Memory Card Slot Yes Yes Yes -
Messaging
Email Client n/a - - n/a
EMS / Picture Messaging n/a - Yes n/a
Instant Messaging n/a - - n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a - Yes n/a
Music
Headphone Jack (3.5mm) Yes - - -
Music Player n/a Yes Yes n/a
Stereo Speakers - Yes - Yes
Photo & Video
DLNA Yes - - -
TV Output Yes - - Yes
Power
Fast Charging - - - Yes
Wireless Charging - - - Yes
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
Voice Memo n/a Yes Yes n/a
Software
BREW n/a Yes Yes n/a
Games n/a Yes Yes n/a
Voice
HD Voice - - - Yes
Push-To-Talk - - Yes -
Speaker Phone Yes Yes Yes Yes
  Samsung Captivate Glide Samsung Wafer R510 Casio G'zOne Boulder Samsung Galaxy S21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Captivate Glide Samsung Wafer R510 Casio G'zOne Boulder Samsung Galaxy S21

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