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Phone Samsung SGH-X640 Apple iPhone 11 Pro ZTE Blade Z Max HTC One (M7 / GSM)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 5.8" diag.
19.5 : 9
6" diag.
16 : 9
4.7" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1125 x 2436 pixels
(~463 ppi)
AMOLED
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~469 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz
Battery 800 mAh 3,190 mAh 4,080 mAh 2,300 mAh
Processor ? Apple A13 Bionic 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) 1.7 GHz Qualcomm Snapdragon 600
RAM ? 4 GB 2 GB 2 GB
Storage ? raw hardware 64 GB * 32 GB 32 GB *
Main Camera Yes 12 megapixel 16 megapixel 4 megapixel
Wide Camera - 12 megapixel - -
Tele Camera - 12 megapixel - -
Video Capture - 4K UHD 1080p HD 1080p HD
Front Camera - 12 megapixel 8 megapixel 2 megapixel
Weight 3 oz
(85g)
6.63 oz
(188g)
6.58 oz
(186g)
5.04 oz
(143g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.67" x 2.81" x 0.32"
(144 x 71 x 8.1 mm)
6.51" x 3.28" x 0.33"
(165 x 83 x 8.3 mm)
5.41" x 2.69" x 0.37"
(137 x 68 x 9.3 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) iOS Android Android
Network Bands

GSM: 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

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS LTE (Cat 18) LTE (Cat 6) LTE (Cat 3)
Features 
Barometer - Yes - -
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - Yes Yes Yes
GPS / Location - n/a n/a n/a
Water-Resistant - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - n/a n/a n/a
Hearing Aid Compatible - Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes
Connectivity
Bluetooth - Yes Yes Yes
Infrared (IR) - - - Yes
Mobile Hotspot - n/a n/a n/a
NFC - Yes - Yes
USB - Yes Yes
USB Type C
Yes
Micro-USB
UWB - Yes - -
Wi-Fi - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing - n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers - n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a
Dual-SIM - Yes - -
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - Yes -
Messaging
Email Client - n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a
Instant Messaging - n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
FM Radio - - Yes Yes
Headphone Jack (3.5mm) - - Yes Yes
Music Player - n/a n/a n/a
Stereo Speakers - Yes - Yes
Photo & Video
DLNA - - - Yes
Miracast - - - Yes
TV Output - Yes - Yes
Power
Fast Charging - Yes Yes -
Wireless Charging - Yes - -
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List Yes n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
Games Yes n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a
Voice
HD Voice - Yes Yes Yes
Headset Jack (2.5 mm) Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes
  Samsung SGH-X640 Apple iPhone 11 Pro ZTE Blade Z Max HTC One (M7 / GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Apple iPhone 11 Pro ZTE Blade Z Max HTC One (M7 / GSM)

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