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Phone BlackBerry 7750 Samsung DoubleTime ZTE Savvy Samsung Galaxy S II Skyrocket
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 3.2" diag.
5 : 3
4" diag.
5 : 3
4.5" diag.
5 : 3
Display Resolution & Type 240 x 240 pixels
LCD (Color)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~207 ppi)
AMOLED
Display Refresh ? 60 Hz 60 Hz 60 Hz
Battery ? 1,200 mAh 1,650 mAh 1,850 mAh
Processor ? 600 MHz Qualcomm 1 GHz Qualcomm MSM8625 1.5 GHz Qualcomm Snapdragon S3 APQ8060
RAM ? ? 768 MB 1 GB
Storage ? raw hardware ? raw hardware 4 GB 16 GB
Main Camera - 3 megapixel 5 megapixel 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - QVGA (320 x 240) WVGA / 480p 1080p HD
Front Camera - - - 2 megapixel
Weight 5.01 oz
(142g)
5.22 oz
(148g)
4.43 oz
(126g)
4.71 oz
(133g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.45" x 2.44" x 0.59"
(113 x 62 x 15 mm)
4.96" x 2.55" x 0.42"
(126 x 65 x 10.7 mm)
5.12" x 2.72" x 0.35"
(130 x 69 x 9 mm)
Platform / OS BlackBerry OS Android Android Android
Network Bands

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 4, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT HSPA 7.2 EVDO rA LTE (Cat 3)
Features 
Flashlight - - Yes -
Accessibility
Hearing Aid Compatible - Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles Yes - - -
Connectivity
Bluetooth - Yes Yes Yes
NFC - - - Yes
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 a,b,g,n)
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - -
Touch Screen - Yes Yes Yes
Memory
Memory Card Slot - Yes Yes Yes
Music
Headphone Jack (3.5mm) - Yes Yes Yes
Photo & Video
DLNA - - Yes Yes
TV Output - - - Yes
Voice
Speaker Phone - Yes Yes Yes
  BlackBerry 7750 Samsung DoubleTime ZTE Savvy Samsung Galaxy S II Skyrocket
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry 7750 Samsung DoubleTime ZTE Savvy Samsung Galaxy S II Skyrocket

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