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Phone Samsung SGH-X640 Sanyo Katana DLX Nubia RedMagic 5S Apple iPhone 11 Pro Nokia 6108
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
6.7" diag.
19.5 : 9
5.8" diag.
19.5 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
1125 x 2436 pixels
(~463 ppi)
AMOLED
128 x 128 pixels
LCD (Color)
Display Refresh ? ? 144 Hz 60 Hz ?
Battery 800 mAh 920 mAh 4,500 mAh 3,190 mAh 850 mAh
Processor ? ? Qualcomm Snapdragon 865 Apple A13 Bionic ?
RAM ? ? 8 GB * 4 GB ?
Storage ? raw hardware ? raw hardware 128 GB * 64 GB * ? raw hardware
Main Camera Yes 1 megapixel 64 megapixel 12 megapixel -
Wide Camera - - 8 megapixel 12 megapixel -
Tele Camera - - - 12 megapixel -
Video Capture - QCIF (176 x 144) 4K UHD 4K UHD -
Front Camera - - 8 megapixel 12 megapixel -
Weight 3 oz
(85g)
3.5 oz
(99g)
7.76 oz
(220g)
6.63 oz
(188g)
3.46 oz
(98g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.7" x 1.9" x 0.68"
(94 x 48 x 17.3 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
5.67" x 2.81" x 0.32"
(144 x 71 x 8.1 mm)
4.17" x 1.83" x 0.9"
(106 x 46 x 22.9 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android iOS (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

5G: 41, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology GPRS EVDO r0 NR (5G) LTE (Cat 18) GPRS
Features 
Barometer - - - Yes -
Fingerprint Reader - - Yes - -
Flashlight - - Yes Yes -
GPS / Location - Yes n/a n/a -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - Yes n/a n/a -
Hearing Aid Compatible - Yes - Yes -
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - Yes - Yes -
Alerts
Extra Display - Yes - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) - - - - Yes
NFC - - - Yes -
USB - Yes Yes
USB Type C
Yes -
UWB - - - Yes -
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing - Yes n/a n/a -
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - Yes n/a n/a -
Data & Network
Data Tethering - Yes n/a n/a -
Dual-SIM - - Yes Yes -
External Antenna Jack - Yes n/a n/a -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Stylus - - - - Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - Yes - - -
Messaging
Email Client - - n/a n/a Yes
EMS / Picture Messaging Yes - n/a n/a -
MMS Yes - n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a -
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player - Yes n/a n/a -
Stereo Speakers - - Yes Yes -
Photo & Video
TV Output - - Yes Yes -
Power
Fast Charging - - Yes Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes Yes n/a n/a Yes
Voice Memo Yes Yes n/a n/a -
Software
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes Yes n/a n/a Yes
Voice
Call Screening - Yes - - -
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes Yes n/a n/a -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Sanyo Katana DLX Nubia RedMagic 5S Apple iPhone 11 Pro Nokia 6108
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Phone Samsung SGH-X640 Sanyo Katana DLX Nubia RedMagic 5S Apple iPhone 11 Pro Nokia 6108

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