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Phone Samsung SGH-X640 Sony Ericsson K750 / W800 / D750 / W700 Coolpad Defiant Huawei Mate 10 Pro Nokia N78
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? ? 5" diag.
16 : 9
6" diag.
18 : 9
2.4" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 800 mAh 900 mAh 2,450 mAh 4,000 mAh 1,200 mAh
Processor ? ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 2.4 GHz Huawei Kirin 970 369 MHz ARM 11
RAM ? ? 1 GB 6 GB * ?
Storage ? raw hardware ? raw hardware 8 GB 128 GB * ? raw hardware
Main Camera Yes 2 megapixel 5 megapixel 12 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? 720p HD 4K UHD VGA (640 x 480)
Front Camera - - 2 megapixel 8 megapixel -
Weight 3 oz
(85g)
3.49 oz
(99g)
6.5 oz
(184g)
6.28 oz
(178g)
3.59 oz
(102g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.94" x 1.81" x 0.79"
(100 x 46 x 20.1 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
6.07" x 2.93" x 0.31"
(154 x 75 x 7.9 mm)
4.45" x 1.93" x 0.59"
(113 x 49 x 15.1 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android S60 (Symbian)
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS GPRS LTE (Cat 4) LTE (Cat 18) HSDPA 3.6
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - Yes Yes Yes -
GPS / Location - - n/a n/a n/a
Water-Resistant - - - Yes
IPX7 (snorkeling)
-
Accessibility
Hearing Aid Compatible - - Yes
M4, T3 (mostly tele-coil compatible)
- -
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes - -
Alerts
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - Yes - Yes -
NFC - - - Yes -
USB - Yes Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing - Yes n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - - n/a n/a n/a
Data & Network
Data Tethering - Yes n/a n/a n/a
Dual-SIM - - - Yes * -
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a 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 - Yes n/a n/a n/a
EMS / Picture Messaging Yes Yes n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - Yes - - Yes
FM Transmitter - - n/a n/a n/a
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - Yes n/a n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
TV Output - - - Yes Yes
Video Calling - - n/a n/a n/a
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List Yes Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes Yes n/a n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes - n/a n/a n/a
Push-To-Talk - - - - Yes *
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Sony Ericsson K750 / W800 / D750 / W700 Coolpad Defiant Huawei Mate 10 Pro Nokia N78
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Sony Ericsson K750 / W800 / D750 / W700 Coolpad Defiant Huawei Mate 10 Pro Nokia N78

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