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Phone Samsung SGH-X640 Samsung Focus Flash Sony Xperia XA2 Ultra Nokia 3230 ZTE Blade Max 2s
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.7" diag.
5 : 3
6" diag.
16 : 9
? 6" diag.
18 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
AMOLED
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
176 x 208 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 800 mAh 1,500 mAh 3,580 mAh ? 4,000 mAh
Processor ? 1.4 GHz Qualcomm Snapdragon Qualcomm Snapdragon 630 ? 1.4 GHz Qualcomm Snapdragon 435 (MSM8940)
RAM ? ? 4 GB ? 2 GB
Storage ? raw hardware 8 GB 32 GB * ? raw hardware 32 GB
Main Camera Yes 5 megapixel 23 megapixel 1 megapixel 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 720p HD 4K UHD QCIF (176 x 144) 1080p HD
Front Camera - Yes 16 megapixel - 5 megapixel
Weight 3 oz
(85g)
4.1 oz
(116g)
7.79 oz
(221g)
3.88 oz
(110g)
6.35 oz
(180g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.57" x 2.31" x 0.43"
(116 x 59 x 10.9 mm)
6.42" x 3.15" x 0.37"
(163 x 80 x 9.5 mm)
4.29" x 1.93" x 0.75"
(109 x 49 x 19.1 mm)
6.26" x 2.96" x 0.32"
(159 x 75 x 8.1 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Windows Android S60 (Symbian) Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 4, 5, 7, 8, 12, 13, 17, 25, 28, 29, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 13, 25, 26, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS ? LTE (Cat 13) EDGE LTE (Cat 6)
Features 
Fingerprint Reader - - Yes
stand-alone
- Yes
stand-alone
Flashlight - - Yes - Yes
GPS / Location - n/a n/a n/a n/a
Accessibility
Hearing Aid Compatible - - Yes - Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) - Yes - - Yes
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
NFC - - Yes - -
USB - Yes Yes
USB Type C
Yes Yes
USB Type C
Wi-Fi - Yes Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a n/a
Ringer ID Yes n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers - n/a n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes - Yes
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - n/a n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - Yes Yes Yes -
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player - n/a n/a n/a n/a
Photo & Video
Miracast - - Yes - -
Power
Fast Charging - - Yes - Yes
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List Yes n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes n/a n/a n/a n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Samsung Focus Flash Sony Xperia XA2 Ultra Nokia 3230 ZTE Blade Max 2s
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Samsung Focus Flash Sony Xperia XA2 Ultra Nokia 3230 ZTE Blade Max 2s

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