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Phone Samsung Galaxy S II / SGH-i777 Motorola Droid Ultra AT&T Maestro 3 HTC G2
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.3" diag.
5 : 3
5" diag.
16 : 9
6.5" diag.
20 : 9
3.7" diag.
5 : 3
Display Resolution & Type 480 x 800 pixels
(~217 ppi)
AMOLED
720 x 1280 pixels
(~294 ppi)
AMOLED
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz 60 Hz
Battery 1,650 mAh 2,130 mAh 3,900 mAh 1,300 mAh
Processor 1.2 GHz Samsung Exynos dual-core 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T 2 GHz MediaTek Helio A22 (MT6761) 800 MHz Qualcomm S2 MSM7230
RAM ? 2 GB 3 GB ?
Storage 16 GB 16 GB 32 GB ? raw hardware
Main Camera 8 megapixel 10 megapixel 13 megapixel 5 megapixel
Wide Camera - - 5 megapixel -
Tele Camera - - - -
Video Capture 1080p HD 1080p HD 1080p HD 720p HD
Front Camera 2 megapixel 2 megapixel 5 megapixel -
Weight 4.3 oz
(122g)
4.83 oz
(137g)
6.24 oz
(177g)
6.5 oz
(184g)
Dimensions 4.96" x 2.6" x 0.35"
(126 x 66 x 8.9 mm)
5.41" x 2.8" x 0.28"
(137 x 71 x 7.2 mm)
6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
Platform / OS Android Android Android Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 14, 30

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology HSPA+ 21 LTE (Cat 3) LTE (Cat 4) HSPA 14.4
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - - Yes -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC Yes Yes - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes - Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes
Photo & Video
DLNA Yes - - -
Miracast - Yes - -
TV Output Yes - - -
Voice
HD Voice - - Yes -
Speaker Phone Yes Yes Yes Yes
  Samsung Galaxy S II / SGH-i777 Motorola Droid Ultra AT&T Maestro 3 HTC G2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S II / SGH-i777 Motorola Droid Ultra AT&T Maestro 3 HTC G2

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