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Phone BlackBerry 7750 Kyocera 3225 Red Hydrogen One HTC G2 AT&T Vista
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 5.7" diag.
16 : 9
3.7" diag.
5 : 3
5.5" diag.
18 : 9
Display Resolution & Type 240 x 240 pixels
LCD (Color)
?
LCD (Grayscale)
1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz 60 Hz
Battery ? ? 4,510 mAh 1,300 mAh 2,450 mAh
Processor ? ? 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) 800 MHz Qualcomm S2 MSM7230 2 GHz MediaTek Helio A22 (MT6761V)
RAM ? ? 6 GB ? 3 GB
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware 32 GB
Main Camera - - 12 megapixel 5 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 4K UHD 720p HD 1080p HD
Front Camera - - 8 megapixel - 5 megapixel
Weight 5.01 oz
(142g)
4.23 oz
(120g)
9.63 oz
(273g)
6.5 oz
(184g)
5.51 oz
(156g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS BlackBerry OS (proprietary) Android Android Android
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

Data Technology 1xRTT 1xRTT LTE (Cat 12) HSPA 14.4 LTE (Cat 4)
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - Yes
GPS / Location n/a Yes n/a n/a n/a
Accessibility
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth -
-
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a - n/a n/a n/a
NFC - - Yes - -
USB Yes - Yes
USB Type C
Yes Yes
USB Type C
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
Contacts
Picture ID n/a - n/a n/a n/a
Ringer ID n/a - n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a - n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes - Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes -
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client n/a - n/a n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a - n/a n/a n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player n/a - n/a n/a n/a
Stereo Speakers - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a - n/a n/a n/a
Software
BREW n/a Yes n/a n/a n/a
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a - n/a n/a n/a
Voice
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Speaker Phone - Yes Yes Yes Yes
  BlackBerry 7750 Kyocera 3225 Red Hydrogen One HTC G2 AT&T Vista
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry 7750 Kyocera 3225 Red Hydrogen One HTC G2 AT&T Vista

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