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Phone Samsung SGH-X640 Sony Ericsson TM506 Apple iPhone 4S Asus ROG Phone II Ericsson T66
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? 2.2" diag.
4 : 3
3.5" diag.
5 : 3
6.6" diag.
19.5 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
?
Display Refresh ? ? 60 Hz 120 Hz ?
Battery 800 mAh 950 mAh ? 6,000 mAh ?
Processor ? ? Apple A5 3 GHz Qualcomm Snapdragon 855 Plus ?
RAM ? ? ? 12 GB ?
Storage ? raw hardware ? raw hardware 64 GB * 512 GB ? raw hardware
Main Camera Yes 2 megapixel 8 megapixel 48 megapixel -
Wide Camera - - - 13 megapixel -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) 1080p HD 4K UHD -
Front Camera - - Yes 24 megapixel -
Weight 3 oz
(85g)
3.56 oz
(101g)
4.9 oz
(139g)
8.47 oz
(240g)
2.08 oz
(59g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.74" x 1.86" x 0.7"
(95 x 47 x 17.8 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) iOS Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 1800, 1900

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology GPRS HSDPA 3.6 HSPA 14.4 LTE (Cat 20) -
Features 
Fingerprint Reader - - - Yes
in-display (optical)
-
Flashlight - - - Yes -
GPS / Location - Yes n/a n/a -
Accessibility
Adjustable Text Size - - n/a n/a -
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - Yes Yes - -
Alerts
Extra Display - Yes - - -
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth - Yes Yes Yes -
Mobile Hotspot - - n/a n/a -
NFC - - - Yes -
USB - Yes Yes Yes
USB Type C
-
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a -
Ringer ID Yes Yes n/a n/a -
Voice Dialing - Yes n/a n/a -
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - Yes n/a n/a -
Data & Network
Data Tethering - - n/a n/a -
Dual-SIM - - - Yes -
External Antenna Jack - Yes n/a n/a -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - Yes - - -
Messaging
Email Client - Yes n/a n/a -
EMS / Picture Messaging Yes - n/a n/a Yes
Instant Messaging - Yes n/a n/a -
MMS Yes Yes n/a n/a -
Text Messaging Templates Yes Yes n/a n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - Yes n/a n/a -
Stereo Speakers - - - Yes -
Photo & Video
TV Output - - Yes Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes Yes n/a n/a Yes
Voice Memo Yes Yes n/a n/a -
Software
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes Yes n/a n/a -
Voice
Headset Jack (2.5 mm) Yes - n/a n/a -
Speaker Phone Yes Yes Yes Yes -
  Samsung SGH-X640 Sony Ericsson TM506 Apple iPhone 4S Asus ROG Phone II Ericsson T66
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Sony Ericsson TM506 Apple iPhone 4S Asus ROG Phone II Ericsson T66

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