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Phone Nokia N78 Red Hydrogen One BlackBerry 7750 BlackBerry Key2
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
5.7" diag.
16 : 9
? 4.5" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz
Battery 1,200 mAh 4,510 mAh ? 3,500 mAh
Processor 369 MHz ARM 11 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ? 2.2 GHz Qualcomm Snapdragon 660
RAM ? 6 GB ? 6 GB
Storage ? raw hardware 128 GB * ? raw hardware 64 GB *
Main Camera 3 megapixel 12 megapixel - 12 megapixel
Wide Camera - - - -
Tele Camera - - - 12 megapixel
Video Capture VGA (640 x 480) 4K UHD - 4K UHD
Front Camera - 8 megapixel - 8 megapixel
Weight 3.59 oz
(102g)
9.63 oz
(273g)
5.01 oz
(142g)
5.93 oz
(168g)
Dimensions 4.45" x 1.93" x 0.59"
(113 x 49 x 15.1 mm)
6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
Platform / OS S60 (Symbian) Android BlackBerry OS Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

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

CDMA: 850, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 LTE (Cat 12) 1xRTT LTE (Cat 11)
Features 
Fingerprint Reader - Yes
stand-alone
- Yes
stand-alone
Flashlight - Yes - Yes
Accessibility
Hearing Aid Compatible - Yes - Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
NFC - Yes - Yes
USB Yes
Micro-USB
Yes
USB Type C
Yes Yes
USB Type C
Wi-Fi Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes
Touch Screen - Yes - Yes
Memory
Memory Card Slot Yes Yes - Yes
Music
FM Radio Yes Yes - Yes
Headphone Jack (3.5mm) Yes Yes - Yes
Stereo Speakers Yes Yes - -
Photo & Video
TV Output Yes - - Yes
Power
Fast Charging - Yes - Yes
Voice
HD Voice - Yes - Yes
Push-To-Talk Yes * - - -
Speaker Phone Yes Yes - Yes
  * Some versions only
  Nokia N78 Red Hydrogen One BlackBerry 7750 BlackBerry Key2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia N78 Red Hydrogen One BlackBerry 7750 BlackBerry Key2

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