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Phone Samsung SGH-X640 Nokia 3250 Samsung Glyde U940 ZTE Blade Vantage Samsung Galaxy S6 edge (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 2.8" diag.
16.5 : 9
5" diag.
16 : 9
5.1" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
176 x 208 pixels
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
Display Refresh ? ? ? 60 Hz 60 Hz
Battery 800 mAh 1,100 mAh 1,000 mAh 2,500 mAh 2,600 mAh
Processor ? ? ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 2.1 GHz Samsung Exynos
RAM ? ? ? 2 GB 3 GB
Storage ? raw hardware ? raw hardware ? raw hardware 16 GB 32 GB *
Main Camera Yes 2 megapixel 2 megapixel 8 megapixel 16 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) QVGA (320 x 240) 720p HD 4K UHD
Front Camera - - - 2 megapixel 5 megapixel
Weight 3 oz
(85g)
4.06 oz
(115g)
4.2 oz
(119g)
5.29 oz
(150g)
4.66 oz
(132g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.06" x 1.97" x 0.75"
(103 x 50 x 19.1 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
5.73" x 2.85" x 0.36"
(146 x 72 x 9.2 mm)
5.59" x 2.76" x 0.28"
(142 x 70 x 7 mm)
Form Factor Clamshell Slab Slide Slab Slab
Platform / OS (proprietary) S60 (Symbian) (proprietary) Android Android
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 13

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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS EDGE EVDO r0 LTE (Cat 4) LTE (Cat 6)
Features 
Fingerprint Reader - - - - Yes
Flashlight - - - Yes Yes
GPS / Location - n/a Yes n/a n/a
VR-ready - - - - Yes
Accessibility
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Ringer Profiles - Yes - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - - - Yes
MirrorLink - - - - Yes
NFC - - - - Yes
USB - Yes Yes Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a Yes n/a n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing - n/a Yes n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers - n/a Yes n/a n/a
Data & Network
Data Tethering - n/a Yes n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes - Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - n/a - n/a n/a
EMS / Picture Messaging Yes n/a - n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - - - Yes Yes
Music Player - n/a Yes n/a n/a
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
TV Output - - - - Yes
Power
Wireless Charging - - - - Yes
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List Yes n/a - n/a n/a
Voice Memo Yes n/a - n/a n/a
Software
BREW - n/a Yes n/a n/a
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a - n/a n/a
Voice
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) Yes n/a Yes n/a n/a
Push-To-Talk - Yes * - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Nokia 3250 Samsung Glyde U940 ZTE Blade Vantage Samsung Galaxy S6 edge (GSM)
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Nokia 3250 Samsung Glyde U940 ZTE Blade Vantage Samsung Galaxy S6 edge (GSM)

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