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Phone HTC Touch Pro2 (CDMA) Samsung Knack U310 BlackBerry 8830 Ericsson R278d Motorola Moto Z2 Force
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.6" diag.
5 : 3
2.2" diag.
4 : 3
? ? 5.5" diag.
16 : 9
Display Resolution & Type 480 x 800 pixels
(~259 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
101 x 40 pixels 1440 x 2560 pixels
(~534 ppi)
AMOLED
Display Refresh ? ? ? ? 60 Hz
Battery 1,500 mAh 1,000 mAh 1,400 mAh ? 2,730 mAh
Processor 528 MHz MSM7600 ? ? ? 2.4 GHz Qualcomm Snapdragon 835 (MSM8998)
RAM ? ? ? ? 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 64 GB
Main Camera 3 megapixel - - - 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - - - 4K UHD
Front Camera - - - - 5 megapixel
Weight 6.35 oz
(180g)
3.63 oz
(103g)
4.6 oz
(130g)
9.28 oz
(263g)
5.04 oz
(143g)
Dimensions 4.57" x 2.33" x 0.68"
(116 x 59 x 17.3 mm)
3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
4.49" x 2.6" x 0.55"
(114 x 66 x 14 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
6.13" x 2.99" x 0.24"
(156 x 76 x 6.1 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Windows Mobile Professional (proprietary) BlackBerry OS (proprietary) Android
Network Bands

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 900, 1800

*

TDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology EVDO rA - EVDO r0 - LTE (Cat 16)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location n/a Yes n/a - n/a
VR-ready - - - - Yes
Water-Resistant - - - - Yes
Accessibility
Adjustable Text Size n/a Yes n/a - n/a
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
Multiple Languages n/a Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes - Yes - Yes
NFC - - - - Yes
USB Yes - Yes - Yes
USB Type C
Wi-Fi Yes - - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a - n/a - n/a
Ringer ID n/a - n/a - n/a
Voice Dialing n/a Yes n/a - n/a
Customization
Custom Graphics n/a - n/a - n/a
Custom Ringtones n/a - n/a Yes n/a
Real-Music Ringers n/a - n/a - n/a
Data & Network
Data Tethering n/a - n/a Yes n/a
Dual-SIM - - - - Yes *
WAP / Web Browser n/a - n/a Yes n/a
Input
Predictive Text Entry n/a Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Stylus Yes - - - -
Text Keyboard, Hardware Yes - Yes - -
Touch Screen Yes
Resistive
- - - Yes
Capacitive
Memory
Memory Card Slot Yes - Yes - Yes
Messaging
Email Client n/a - n/a - n/a
EMS / Picture Messaging n/a Yes n/a - n/a
Instant Messaging n/a - n/a - n/a
MMS n/a - n/a - n/a
Text Messaging Templates n/a - n/a - n/a
Music
Headphone Jack (3.5mm) Yes - - - -
Music Player n/a - n/a - n/a
Photo & Video
TV Output Yes - - - -
Power
Fast Charging - - - - Yes
Productivity
Alarm n/a Yes n/a Yes n/a
Calculator n/a Yes n/a - n/a
Calendar n/a Yes n/a - n/a
To-Do List n/a - n/a - n/a
Voice Memo n/a - n/a - n/a
Software
Games n/a - n/a - n/a
Java (J2ME) n/a - n/a - n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) n/a Yes n/a - n/a
Push-To-Talk - - Yes * - -
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  HTC Touch Pro2 (CDMA) Samsung Knack U310 BlackBerry 8830 Ericsson R278d Motorola Moto Z2 Force
  X > < X > < X > < X > < X

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

 
Phone HTC Touch Pro2 (CDMA) Samsung Knack U310 BlackBerry 8830 Ericsson R278d Motorola Moto Z2 Force

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