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Phone Samsung Wafer R510 UTStarcom PPC-6700 / XV-6700 / HTC Apache Palm Treo 650 (CDMA) Sony Xperia Pro Nokia Lumia 521 / 520
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.9" diag.
4 : 3
? ? 6.5" diag.
21 : 9
4" diag.
5 : 3
Display Resolution & Type 220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
1644 x 3840 pixels
(~643 ppi)
AMOLED
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 1,350 mAh ? 4,000 mAh 1,430 mAh
Processor ? 416 MHz Intel 312 MHz Intel XScale PXA270 Qualcomm Snapdragon 865 1 GHz Qualcomm Snapdragon S4 MSM8270
RAM ? ? ? 12 GB 512 MB
Storage ? raw hardware ? raw hardware ? raw hardware 512 GB 8 GB
Main Camera 1 megapixel 1 megapixel Yes 12 megapixel 5 megapixel
Wide Camera - - - 12 megapixel -
Tele Camera - - - 12 megapixel -
Video Capture ? ? QVGA (320 x 240) 4K UHD 720p HD
Front Camera - - - 8 megapixel -
Weight 2.47 oz
(70g)
6.07 oz
(172g)
6.3 oz
(179g)
7.94 oz
(225g)
4.39 oz
(124g)
Dimensions 4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
4.25" x 2.32" x 0.93"
(108 x 59 x 23.6 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
Form Factor Slab Slide Slab Slab Slab
Platform / OS (proprietary) Windows Mobile Professional Palm OS Android Windows
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 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

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology EVDO r0 EVDO r0 1xRTT NR (5G) HSPA+ 21
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location Yes n/a n/a n/a n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes - - Yes Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes Yes - -
Mobile Hotspot - n/a n/a n/a n/a
NFC - - - Yes -
USB - Yes
Mini-USB
- Yes
USB Type C
Yes
Wi-Fi - Yes - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
Contacts
Picture ID Yes n/a n/a n/a n/a
Ringer ID - n/a n/a n/a n/a
Voice Dialing Yes n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers - n/a n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a n/a
Dual-SIM - - - Yes -
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes 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 n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Music
Headphone Jack (3.5mm) - - - Yes Yes
Music Player Yes n/a n/a n/a n/a
Stereo Speakers Yes - - Yes -
Photo & Video
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List - n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
BREW Yes n/a n/a n/a n/a
Games Yes n/a n/a n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - n/a n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Wafer R510 UTStarcom PPC-6700 / XV-6700 / HTC Apache Palm Treo 650 (CDMA) Sony Xperia Pro Nokia Lumia 521 / 520
  X > < X > < X > < X > < X

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

 
Phone Samsung Wafer R510 UTStarcom PPC-6700 / XV-6700 / HTC Apache Palm Treo 650 (CDMA) Sony Xperia Pro Nokia Lumia 521 / 520

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