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Phone Samsung SGH-X640 BlackBerry Classic (CDMA) Ericsson T66 Sony Xperia Pro Samsung SGH-D307
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.5" diag.
1 : 1
? 6.5" diag.
21 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 720 pixels
(~291 ppi)
LCD (TFT/TFD)
? 1644 x 3840 pixels
(~643 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 2,515 mAh ? 4,000 mAh ?
Processor ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 ? Qualcomm Snapdragon 865 ?
RAM ? 2 GB ? 12 GB ?
Storage ? raw hardware 16 GB ? raw hardware 512 GB ? raw hardware
Main Camera Yes 8 megapixel - 12 megapixel -
Wide Camera - - - 12 megapixel -
Tele Camera - - - 12 megapixel -
Video Capture - 1080p HD - 4K UHD -
Front Camera - 2 megapixel - 8 megapixel -
Weight 3 oz
(85g)
6.28 oz
(178g)
2.08 oz
(59g)
7.94 oz
(225g)
4.3 oz
(122g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.16" x 2.85" x 0.4"
(131 x 72 x 10.2 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
3.7" x 1.9" x 0.85"
(94 x 48 x 21.6 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) BlackBerry 10 (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 3, 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

5G: 2, 5, 66, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1800, 1900

Data Technology GPRS LTE (Cat 3) - NR (5G) EDGE
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location - n/a - n/a -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - n/a - n/a -
Hearing Aid Compatible - Yes
M3, T4 (very tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M4 (very compatible)
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - Yes Yes - -
Connectivity
Bluetooth - Yes - Yes Yes
Mobile Hotspot - n/a - n/a -
NFC - Yes - Yes -
USB - Yes
Micro-USB
- Yes
USB Type C
Yes
Wi-Fi - Yes
4 (802.11 a,b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes n/a - n/a Yes
Ringer ID Yes n/a - n/a Yes
Voice Dialing - n/a - n/a Yes
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers - n/a - n/a Yes
Data & Network
Data Tethering - n/a - n/a Yes
Dual-SIM - - - Yes -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen - Yes
Capacitive
- Yes
Capacitive
-
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client - n/a - n/a Yes
EMS / Picture Messaging Yes n/a Yes n/a Yes
Instant Messaging - n/a - n/a -
MMS Yes n/a - n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - Yes - Yes -
Music Player - n/a - n/a -
Stereo Speakers - - - Yes -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List Yes n/a Yes n/a Yes
Voice Memo Yes n/a - n/a Yes
Software
Games Yes n/a Yes n/a Yes
Java (J2ME) Yes n/a - n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes n/a - n/a -
Speaker Phone Yes Yes - Yes Yes
  Samsung SGH-X640 BlackBerry Classic (CDMA) Ericsson T66 Sony Xperia Pro Samsung SGH-D307
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 BlackBerry Classic (CDMA) Ericsson T66 Sony Xperia Pro Samsung SGH-D307

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