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Phone Samsung SGH-X820 Samsung Rugby 4 Ericsson T66 Sony Ericsson T237 / T290a BlackBerry Key2 LE
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
? ? 4.5" diag.
5 : 3
Display Resolution & Type 220 x 176 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
? 101 x 80 pixels
LCD (STN)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 650 mAh 1,300 mAh ? ? 3,000 mAh
Processor ? Intel XMM6230 ? ? 1.8 GHz Qualcomm Snapdragon 636
RAM ? 128 MB ? ? 4 GB
Storage ? raw hardware 256 MB ? raw hardware ? raw hardware 32 GB *
Main Camera 2 megapixel 3 megapixel - - 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? QVGA (320 x 240) - - 4K UHD
Front Camera - - - - 8 megapixel
Weight 2.33 oz
(66g)
5.22 oz
(148g)
2.08 oz
(59g)
2.79 oz
(79g)
5.5 oz
(156g)
Dimensions 4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
4.25" x 2.17" x 0.85"
(108 x 55 x 21.6 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4" x 1.71" x 0.71"
(102 x 43 x 18 mm)
5.92" x 2.83" x 0.33"
(150 x 72 x 8.4 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 29, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EDGE HSPA+ 21 - GPRS LTE (Cat 13)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location - Yes - - n/a
Ruggedized - Yes - - -
Water-Resistant - Yes
IPX7 (snorkeling)
- - -
Accessibility
Adjustable Text Size - Yes - - n/a
Hearing Aid Compatible - Yes - - Yes
Multiple Languages Yes Yes Yes Yes n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - Yes Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- - Yes
Classic Audio
NFC - - - - Yes
USB Yes Yes
Micro-USB
- 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 - Yes n/a
Ringer ID Yes Yes - Yes n/a
Voice Dialing - Yes - Yes n/a
Customization
Custom Graphics Yes Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes Yes n/a
Real-Music Ringers Yes Yes - - n/a
Data & Network
Dual-SIM - - - - Yes *
External Antenna Jack Yes - - - n/a
WAP / Web Browser Yes Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - - - Yes
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client Yes Yes - Yes n/a
EMS / Picture Messaging Yes - Yes Yes n/a
MMS Yes Yes - Yes n/a
Text Messaging Templates Yes Yes Yes Yes n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - - Yes
Music Player - Yes - - n/a
Photo & Video
TV Output Yes - - - -
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar Yes Yes Yes Yes n/a
To-Do List Yes Yes Yes - n/a
Voice Memo Yes Yes - Yes n/a
Software
Games Yes Yes Yes Yes n/a
Java (J2ME) Yes Yes - - n/a
Voice
HD Voice - - - - Yes
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  Samsung SGH-X820 Samsung Rugby 4 Ericsson T66 Sony Ericsson T237 / T290a BlackBerry Key2 LE
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X820 Samsung Rugby 4 Ericsson T66 Sony Ericsson T237 / T290a BlackBerry Key2 LE

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