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Phone Samsung SGH-X640 Samsung SCH-A990 Sony Ericsson T68i Apple iPhone 11 Pro Samsung Galaxy S6 (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? 5.8" diag.
19.5 : 9
5.1" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
1125 x 2436 pixels
(~463 ppi)
AMOLED
1440 x 2560 pixels
(~576 ppi)
AMOLED
Display Refresh ? ? ? 60 Hz 60 Hz
Battery 800 mAh 1,000 mAh 700 mAh 3,190 mAh 2,550 mAh
Processor ? ? ? Apple A13 Bionic 2.1 GHz Samsung Exynos 7420
RAM ? ? ? 4 GB 3 GB
Storage ? raw hardware ? raw hardware ? raw hardware 64 GB * 32 GB *
Main Camera Yes 3 megapixel - 12 megapixel 16 megapixel
Wide Camera - - - 12 megapixel -
Tele Camera - - - 12 megapixel -
Video Capture - ? - 4K UHD 4K UHD
Front Camera - - - 12 megapixel 5 megapixel
Weight 3 oz
(85g)
4.4 oz
(125g)
2.96 oz
(84g)
6.63 oz
(188g)
4.87 oz
(138g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
5.67" x 2.81" x 0.32"
(144 x 71 x 8.1 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) iOS Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

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 EVDO r0 GPRS LTE (Cat 18) LTE (Cat 6)
Features 
Barometer - - - Yes -
Fingerprint Reader - - - - Yes
Flashlight - Yes - Yes Yes
GPS / Location - Yes - n/a n/a
VR-ready - - - - Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
- Yes
M3, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - Yes - Yes
MirrorLink - - - - Yes
NFC - - - Yes Yes
USB - Yes - Yes Yes
Micro-USB
UWB - - - Yes -
Wi-Fi - - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing - Yes Yes n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers - Yes - n/a n/a
Data & Network
Data Tethering - Yes Yes n/a n/a
Dual-SIM - - - Yes -
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes - - -
Messaging
Email Client - - Yes n/a n/a
EMS / Picture Messaging Yes Yes Yes n/a n/a
MMS Yes Yes Yes n/a n/a
Text Messaging Templates Yes Yes Yes n/a n/a
Music
Headphone Jack (3.5mm) - - - - Yes
Music Player - Yes - n/a n/a
Stereo Speakers - Yes - Yes -
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
TV Output - Yes - Yes Yes
Power
Fast Charging - - - Yes Yes
Wireless Charging - - - Yes Yes
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List Yes - Yes n/a n/a
Voice Memo Yes Yes Yes n/a n/a
Software
BREW - Yes - n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) Yes - - n/a n/a
Voice
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) Yes - - n/a n/a
Speaker Phone Yes Yes - Yes Yes
  Samsung SGH-X640 Samsung SCH-A990 Sony Ericsson T68i Apple iPhone 11 Pro Samsung Galaxy S6 (GSM)
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Samsung SCH-A990 Sony Ericsson T68i Apple iPhone 11 Pro Samsung Galaxy S6 (GSM)

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