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Phone Samsung SGH-E640 HTC Bolt Apple iPhone 12 mini ZTE Z331 Samsung Galaxy Note5 (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.5" diag.
16 : 9
5.4" diag.
19.5 : 9
2.4" diag.
4 : 3
5.7" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~534 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~477 ppi)
AMOLED
176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
Display Refresh ? 60 Hz 60 Hz ? 60 Hz
Battery 800 mAh 3,200 mAh 2,227 mAh 950 mAh 3,000 mAh
Processor ? 2 GHz Qualcomm Snapdragon 810 (MSM8994) Apple A14 Bionic ? 2.1 GHz Samsung Exynos 7420
RAM ? 3 GB 4 GB ? 4 GB
Storage ? raw hardware 32 GB 64 GB * ? raw hardware 32 GB *
Main Camera 1 megapixel 16 megapixel 12 megapixel 3 megapixel 16 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) 4K UHD 4K UHD QCIF (176 x 144) 4K UHD
Front Camera - 8 megapixel 12 megapixel - 5 megapixel
Weight 3.17 oz
(90g)
6.14 oz
(174g)
4.76 oz
(135g)
4 oz
(113g)
6.03 oz
(171g)
Dimensions 3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
6.05" x 3.04" x 0.32"
(154 x 77 x 8.1 mm)
5.18" x 2.53" x 0.29"
(132 x 64 x 7.4 mm)
3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
6.03" x 3" x 0.3"
(153 x 76 x 7.6 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS (proprietary) Android iOS (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77-C, 78, 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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS LTE (Cat 9) NR (5G) HSDPA 3.6 LTE (Cat 9)
Features 
Barometer - - Yes - -
Fingerprint Reader - Yes
stand-alone
- - Yes
Flashlight - Yes Yes - Yes
GPS / Location - n/a n/a Yes n/a
VR-ready - - - - Yes
Water-Resistant - Yes
IPX7 (snorkeling)
Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display Yes - - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
MirrorLink - - - - Yes
NFC - Yes Yes - Yes
USB Yes Yes
USB Type C
Yes Yes
Micro-USB
Yes
Micro-USB
UWB - - Yes - -
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers Yes n/a n/a Yes n/a
Data & Network
Data Tethering - n/a n/a Yes n/a
Dual-SIM - - Yes - -
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - - - Yes
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client Yes n/a n/a Yes n/a
EMS / Picture Messaging Yes n/a n/a - n/a
Instant Messaging - n/a n/a Yes n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) - - - - Yes
Music Player Yes n/a n/a Yes n/a
Stereo Speakers - - Yes - -
Photo & Video
DLNA - Yes - - Yes
Miracast - Yes - - -
TV Output - - Yes - Yes
Power
Fast Charging - Yes Yes - Yes
Wireless Charging - - Yes - Yes
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a - n/a
Voice Memo Yes n/a n/a Yes n/a
Software
Games Yes n/a n/a Yes n/a
Java (J2ME) Yes n/a n/a Yes n/a
Voice
Call Screening - - Yes - -
HD Voice - Yes Yes - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-E640 HTC Bolt Apple iPhone 12 mini ZTE Z331 Samsung Galaxy Note5 (GSM)
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Phone Samsung SGH-E640 HTC Bolt Apple iPhone 12 mini ZTE Z331 Samsung Galaxy Note5 (GSM)

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