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Phone Samsung SGH-X640 Samsung Galaxy S6 (GSM) Samsung Galaxy Note8 Siemens CX75 OnePlus 12
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? 5.1" diag.
16 : 9
6.3" diag.
18.5 : 9
? 6.8" diag.
20 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
1440 x 2960 pixels
(~522 ppi)
AMOLED
132 x 176 pixels
LCD (TFT/TFD)
1440 x 3168 pixels
(~510 ppi)
AMOLED
Display Refresh ? 60 Hz 60 Hz ? 120 Hz
Battery 800 mAh 2,550 mAh 3,300 mAh 750 mAh 5,400 mAh
Processor ? 2.1 GHz Samsung Exynos 7420 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) ? Snapdragon 8 Gen 3
RAM ? 3 GB 6 GB ? 12 GB *
Storage ? raw hardware 32 GB * 64 GB * ? raw hardware 256 GB *
Main Camera Yes 16 megapixel 12 megapixel 1 megapixel 50 megapixel
Wide Camera - - - - 48 megapixel
Tele Camera - - 12 megapixel - 64 megapixel
Video Capture - 4K UHD 4K UHD ? 8K
Front Camera - 5 megapixel 8 megapixel - 32 megapixel
Weight 3 oz
(85g)
4.87 oz
(138g)
6.88 oz
(195g)
3.46 oz
(98g)
7.76 oz
(220g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
6.4" x 2.94" x 0.34"
(163 x 75 x 8.6 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
6.47" x 2.98" x 0.36"
(164 x 76 x 9.1 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Android (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 41, 66, 71, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 6, 8, 19

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 6) LTE (Cat 16) GPRS NR (5G)
Features 
Barometer - - Yes - -
Fingerprint Reader - Yes Yes
stand-alone
- Yes
in-display (optical)
Flashlight - Yes Yes - Yes
VR-ready - Yes Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible - Yes Yes - Yes
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes - -
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - Yes - Yes -
MirrorLink - Yes Yes - -
NFC - Yes Yes - Yes
USB - Yes
Micro-USB
Yes
USB Type C
Yes Yes
USB Type C
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
7 (802.11 a,ac,ax,b,be,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
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 - n/a n/a Yes n/a
EMS / Picture Messaging Yes n/a n/a Yes n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a - n/a
Music
Headphone Jack (3.5mm) - Yes Yes - -
Music Player - n/a n/a Yes n/a
Photo & Video
DLNA - Yes - - -
Miracast - Yes Yes - -
TV Output - Yes - - -
Power
Fast Charging - Yes Yes - Yes
Wireless Charging - Yes 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 Yes 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
HD Voice - Yes Yes - Yes
Headset Jack (2.5 mm) Yes n/a n/a - n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Samsung Galaxy S6 (GSM) Samsung Galaxy Note8 Siemens CX75 OnePlus 12
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Samsung Galaxy S6 (GSM) Samsung Galaxy Note8 Siemens CX75 OnePlus 12

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