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Phone Coolpad Defiant Samsung Rugby A837 Ericsson T66 Apple iPhone 13 Pro Max
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
2" diag.
4 : 3
? 6.7" diag.
19.5 : 9
Display Resolution & Type 480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
? 1284 x 2778 pixels
(~457 ppi)
AMOLED
Display Refresh 60 Hz ? ? 120 Hz
Battery 2,450 mAh 1,000 mAh ? 4,352 mAh
Processor 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? ? Apple A15 Bionic
RAM 1 GB ? ? 6 GB
Storage 8 GB ? raw hardware ? raw hardware 128 GB *
Main Camera 5 megapixel 1 megapixel - 12 megapixel
Wide Camera - - - 12 megapixel
Tele Camera - - - 12 megapixel
Video Capture 720p HD QCIF (176 x 144) - 4K UHD
Front Camera 2 megapixel - - 12 megapixel
Weight 6.5 oz
(184g)
4.66 oz
(132g)
2.08 oz
(59g)
8.46 oz
(240g)
Dimensions 5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.33" x 3.07" x 0.3"
(161 x 78 x 7.6 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS Android (proprietary) (proprietary) iOS
Network Bands

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 29, 30, 38, 40, 41, 48, 66, 71, 77-C, 78, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 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 LTE (Cat 4) HSDPA 3.6 - NR (5G)
Features 
Barometer - - - Yes
Flashlight Yes - - Yes
GPS / Location n/a Yes - n/a
Ruggedized - Yes - -
Water-Resistant - - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display - Yes - -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes - Yes
NFC - - - Yes
USB Yes
Micro-USB
Yes - -
UWB - - - Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID n/a Yes - n/a
Ringer ID n/a Yes - n/a
Customization
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a Yes - n/a
Data & Network
Data Tethering n/a Yes - n/a
Dual-SIM - - - Yes
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
Touch Screen Yes - - Yes
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client n/a Yes - n/a
EMS / Picture Messaging n/a - Yes n/a
Instant Messaging n/a Yes - n/a
MMS n/a Yes - n/a
Text Messaging Templates n/a Yes Yes n/a
Music
Headphone Jack (3.5mm) Yes - - -
Music Player n/a Yes - n/a
Stereo Speakers - - - 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
To-Do List n/a - Yes n/a
Voice Memo n/a Yes - n/a
Software
Games n/a Yes Yes n/a
Java (J2ME) n/a Yes - n/a
Voice
HD Voice - - - Yes
Push-To-Talk - Yes - -
Speaker Phone Yes Yes - Yes
  Coolpad Defiant Samsung Rugby A837 Ericsson T66 Apple iPhone 13 Pro Max
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Coolpad Defiant Samsung Rugby A837 Ericsson T66 Apple iPhone 13 Pro Max

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