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Phone Samsung SGH-X640 Alcatel 665 Huawei P10 Sony Ericsson K750 / W800 / D750 / W700 Samsung Galaxy Z Flip6
Current U.S. Carriers (none) (none) (none) (none) AT&T
Boost
Consumer Cellular
Spectrum Mobile
T-Mobile
US Cellular
Verizon
Xfinity Mobile
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 1.8" diag.
4 : 3
5.1" diag.
16 : 9
? 6.7" diag.
22 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~432 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1080 x 2640 pixels
(~426 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? 120 Hz
Battery 800 mAh 650 mAh 3,200 mAh 900 mAh 4,000 mAh
Processor ? ? 2.4 GHz Huawei Kirin 960 ? 3.4 GHz Snapdragon 8 Gen 3 for Galaxy
RAM ? 16 MB 4 GB ? 12 GB
Storage ? raw hardware 32 MB 32 GB * ? raw hardware 256 GB *
Main Camera Yes 2 megapixel 12 megapixel 2 megapixel 50 megapixel
Wide Camera - - - - 12 megapixel
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) 4K UHD ? 4K UHD
Front Camera - - 8 megapixel - 10 megapixel
Weight 3 oz
(85g)
2.72 oz
(77g)
5.08 oz
(144g)
3.49 oz
(99g)
6.6 oz
(187g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
5.72" x 2.74" x 0.28"
(145 x 69 x 7.1 mm)
3.94" x 1.81" x 0.79"
(100 x 46 x 20.1 mm)
3.35" x 2.83" x 0.59"
(85 x 72 x 14.9 mm)
Form Factor Clamshell Clamshell Slab Slab Foldable
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 29, 40, 41

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 41, 48, 66, 70, 71, 77-A, 77-C, 78, 257, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS - LTE (Cat 12) GPRS NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - Yes
stand-alone
- Yes
stand-alone
Flashlight - - Yes Yes Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - Yes
M4 (very compatible)
- - Yes
Hearing Aid Compatible (HAC-2019 / M3, T3)
Multiple Languages Yes Yes n/a Yes n/a
TTY/TDD (Digital) - - - Yes Yes
Alerts
Extra Display - Yes - - Yes
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - - Yes -
NFC - - 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
6E (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID Yes Yes n/a Yes n/a
Ringer ID Yes Yes n/a Yes n/a
Voice Dialing - - n/a Yes n/a
Customization
Custom Graphics Yes Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers - Yes n/a - n/a
Data & Network
Data Tethering - - n/a Yes n/a
Dual-SIM - - - - Yes
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - - n/a Yes n/a
EMS / Picture Messaging Yes - n/a Yes n/a
Instant Messaging - Yes n/a - n/a
MMS Yes Yes n/a Yes n/a
Text Messaging Templates Yes Yes n/a Yes n/a
Music
FM Radio - Yes - Yes -
Headphone Jack (3.5mm) - Yes Yes - -
Music Player - Yes n/a Yes n/a
Power
Fast Charging - - Yes - Yes
Wireless Charging - - - - Yes
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
To-Do List Yes - n/a Yes n/a
Voice Memo Yes Yes n/a Yes n/a
Software
Games Yes Yes n/a Yes n/a
Java (J2ME) Yes Yes n/a Yes n/a
Voice
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) Yes - n/a - n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Alcatel 665 Huawei P10 Sony Ericsson K750 / W800 / D750 / W700 Samsung Galaxy Z Flip6
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Alcatel 665 Huawei P10 Sony Ericsson K750 / W800 / D750 / W700 Samsung Galaxy Z Flip6

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