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Phone Samsung Galaxy S II / SGH-i777 HP Elite x3 Motorola Sidekick Slide Sony Xperia Pro Palm Treo 650 (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.3" diag.
5 : 3
6" diag.
16 : 9
? 6.5" diag.
21 : 9
?
Display Resolution & Type 480 x 800 pixels
(~217 ppi)
AMOLED
1440 x 2560 pixels
(~493 ppi)
AMOLED
320 x 240 pixels
LCD (TFT/TFD)
1644 x 3840 pixels
(~643 ppi)
AMOLED
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz ?
Battery 1,650 mAh 4,150 mAh ? 4,000 mAh ?
Processor 1.2 GHz Samsung Exynos dual-core 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) 225 MHz TI OMAP 850 Qualcomm Snapdragon 865 312 MHz Intel XScale PXA270
RAM ? 4 GB ? 12 GB ?
Storage 16 GB 64 GB ? raw hardware 512 GB ? raw hardware
Main Camera 8 megapixel 16 megapixel 1 megapixel 12 megapixel Yes
Wide Camera - - - 12 megapixel -
Tele Camera - - - 12 megapixel -
Video Capture 1080p HD 4K UHD - 4K UHD CIF (352 x 288)
Front Camera 2 megapixel 8 megapixel - 8 megapixel -
Weight 4.3 oz
(122g)
6.84 oz
(194g)
5.3 oz
(150g)
7.94 oz
(225g)
6.3 oz
(179g)
Dimensions 4.96" x 2.6" x 0.35"
(126 x 66 x 8.9 mm)
6.36" x 3.29" x 0.31"
(162 x 84 x 7.9 mm)
4.65" x 2.44" x 0.69"
(118 x 62 x 17.5 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
Form Factor Slab Slab Slide Slab Slab
Platform / OS Android Windows (proprietary) Android Palm OS
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 850, 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, 900, 1800, 1900

Data Technology HSPA+ 21 LTE (Cat 6) EDGE NR (5G) EDGE
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes - Yes
stand-alone
-
Flashlight - Yes - Yes -
GPS / Location n/a n/a - n/a n/a
Water-Resistant - Yes
IPX7 (snorkeling)
- Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size n/a n/a Yes n/a n/a
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages n/a n/a - n/a n/a
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - - - Yes
Mobile Hotspot n/a n/a - n/a n/a
NFC Yes Yes - Yes -
USB Yes
Micro-USB
Yes
USB Type C
Yes Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID n/a n/a Yes n/a n/a
Ringer ID n/a n/a Yes n/a n/a
Voice Dialing n/a n/a - n/a n/a
Customization
Custom Graphics n/a n/a Yes n/a n/a
Custom Ringtones n/a n/a Yes n/a n/a
Real-Music Ringers n/a n/a Yes n/a n/a
Data & Network
Data Tethering n/a n/a - n/a n/a
Dual-SIM - Yes * - Yes -
WAP / Web Browser n/a n/a Yes n/a n/a
Input
Predictive Text Entry n/a n/a - n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - Yes
Touch Screen Yes Yes - Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client n/a n/a Yes n/a n/a
Instant Messaging n/a n/a Yes n/a n/a
MMS n/a n/a Yes n/a n/a
Text Messaging Templates n/a n/a - n/a n/a
Music
Headphone Jack (3.5mm) Yes Yes - Yes -
Music Player n/a n/a Yes n/a n/a
Stereo Speakers - Yes - Yes -
Photo & Video
DLNA Yes - - - -
Miracast - Yes - - -
TV Output Yes Yes - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a Yes n/a n/a
Calculator n/a n/a - n/a n/a
Calendar n/a n/a Yes n/a n/a
To-Do List n/a n/a Yes n/a n/a
Voice Memo n/a n/a - n/a n/a
Software
Games n/a n/a Yes n/a n/a
Java (J2ME) n/a n/a Yes n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a n/a Yes n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy S II / SGH-i777 HP Elite x3 Motorola Sidekick Slide Sony Xperia Pro Palm Treo 650 (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S II / SGH-i777 HP Elite x3 Motorola Sidekick Slide Sony Xperia Pro Palm Treo 650 (GSM)

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