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Phone Samsung PM-A840 HTC Bolt Nokia N80 Ericsson T66 Samsung Galaxy Ring / Prevail 2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.5" diag.
16 : 9
? ? 4" diag.
5 : 3
Display Resolution & Type 128 x 160 pixels
LCD (STN)
1440 x 2560 pixels
(~534 ppi)
LCD (TFT/TFD)
352 x 416 pixels
LCD (TFT/TFD)
? 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? 60 Hz
Battery ? 3,200 mAh 860 mAh ? 1,750 mAh
Processor ? 2 GHz Qualcomm Snapdragon 810 (MSM8994) ? ? 1.4 GHz Qualcomm Snapdragon S2 MSM8655
RAM ? 3 GB ? ? 1 GB
Storage ? raw hardware 32 GB ? raw hardware ? raw hardware 4 GB
Main Camera Yes 16 megapixel 3 megapixel - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 4K UHD CIF (352 x 288) - 720p HD
Front Camera - 8 megapixel - - 1 megapixel
Weight 3.28 oz
(93g)
6.14 oz
(174g)
4.73 oz
(134g)
2.08 oz
(59g)
3.4 oz
(96g)
Dimensions 3.54" x 1.85" x 0.94"
(90 x 47 x 23.9 mm)
6.05" x 3.04" x 0.32"
(154 x 77 x 8.1 mm)
3.76" x 1.97" x 1.02"
(96 x 50 x 25.9 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
Form Factor Clamshell Slab Slide Slab Slab
Platform / OS (proprietary) Android S60 (Symbian) (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 800, 850, 1900

Data Technology 1xRTT LTE (Cat 9) EDGE - EVDO rA
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes - - -
GPS / Location Yes n/a n/a - n/a
Water-Resistant - Yes
IPX7 (snorkeling)
- - -
Accessibility
Adjustable Text Size - n/a n/a - n/a
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages Yes n/a 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
Infrared (IR) - - Yes - -
NFC - Yes - - -
USB - Yes
USB Type C
Yes - Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes - Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes n/a n/a - n/a
Ringer ID Yes n/a n/a - n/a
Voice Dialing Yes n/a n/a - n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers - n/a n/a - n/a
Data & Network
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes - - Yes
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client - n/a n/a - n/a
EMS / Picture Messaging - n/a n/a Yes n/a
Instant Messaging - n/a n/a - n/a
MMS - n/a n/a - n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - - - Yes
Music Player - n/a n/a - n/a
Photo & Video
DLNA - Yes - - Yes
Miracast - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a Yes n/a
Voice Memo Yes n/a n/a - n/a
Software
Games Yes n/a n/a Yes n/a
Java (J2ME) Yes n/a n/a - n/a
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) Yes n/a n/a - n/a
Push-To-Talk - - Yes * - -
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Samsung PM-A840 HTC Bolt Nokia N80 Ericsson T66 Samsung Galaxy Ring / Prevail 2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung PM-A840 HTC Bolt Nokia N80 Ericsson T66 Samsung Galaxy Ring / Prevail 2

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