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Phone HTC Bolt Samsung SGH-X640 Kyocera Coast / Kona Alcatel Idol 4S
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size 5.5" diag.
16 : 9
? 2.4" diag.
4 : 3
5.5" diag.
16 : 9
Display Resolution & Type 1440 x 2560 pixels
(~534 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~534 ppi)
AMOLED
Display Refresh 60 Hz ? ? 60 Hz
Battery 3,200 mAh 800 mAh 870 mAh 3,000 mAh
Processor 2 GHz Qualcomm Snapdragon 810 (MSM8994) ? 480 MHz Qualcomm QSC6155 1.8 GHz Qualcomm Snapdragon 652 (MSM8976)
RAM 3 GB ? 128 MB 3 GB
Storage 32 GB ? raw hardware 256 MB 32 GB
Main Camera 16 megapixel Yes 2 megapixel 16 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD - - 4K UHD
Front Camera 8 megapixel - - 8 megapixel
Weight 6.14 oz
(174g)
3 oz
(85g)
3.7 oz
(105g)
5.26 oz
(149g)
Dimensions 6.05" x 3.04" x 0.32"
(154 x 77 x 8.1 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.94" x 2.05" x 0.68"
(100 x 52 x 17.3 mm)
6.06" x 2.97" x 0.28"
(154 x 75 x 7 mm)
Form Factor Slab Clamshell Clamshell Slab
Platform / OS Android (proprietary) (proprietary) Android
Network Bands

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

GSM: 900, 1800, 1900

CDMA: 800, 850, 1700, 1900

*

4G LTE: 2, 4, 5, 7, 12, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 9) GPRS 1xRTT LTE (Cat 4)
Features 
Fingerprint Reader Yes
stand-alone
- - Yes *
Flashlight Yes - - Yes
GPS / Location n/a - Yes n/a
Water-Resistant Yes
IPX7 (snorkeling)
- - -
Accessibility
Adjustable Text Size n/a - Yes n/a
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display - - Yes -
Connectivity
Bluetooth Yes - Yes Yes
Mobile Hotspot n/a - - n/a
NFC Yes - - Yes
USB Yes
USB Type C
- Yes
Micro-USB
Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a - Yes n/a
Customization
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a - Yes n/a
Data & Network
Data Tethering n/a - - n/a
Dual-SIM - - - Yes *
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot Yes - - Yes
Messaging
Email Client n/a - - n/a
EMS / Picture Messaging n/a Yes - n/a
Instant Messaging n/a - - n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a Yes Yes n/a
Music
Headphone Jack (3.5mm) - - Yes Yes
Music Player n/a - - n/a
Stereo Speakers - - - Yes
Photo & Video
DLNA Yes - - -
Miracast Yes - - Yes
Power
Fast Charging Yes - - Yes
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
To-Do List n/a Yes - n/a
Voice Memo n/a Yes Yes n/a
Software
Games n/a Yes Yes n/a
Java (J2ME) n/a Yes Yes n/a
Voice
HD Voice Yes - - Yes
Headset Jack (2.5 mm) n/a Yes - n/a
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  HTC Bolt Samsung SGH-X640 Kyocera Coast / Kona Alcatel Idol 4S
  X > < X > < X > < X

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

 
Phone HTC Bolt Samsung SGH-X640 Kyocera Coast / Kona Alcatel Idol 4S

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