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Phone Samsung Galaxy S II Skyrocket Apple iPhone X LG K40 / Harmony 3 HTC EVO Design 4G / Hero S (CDMA)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.5" diag.
5 : 3
5.8" diag.
19.5 : 9
5.7" diag.
18 : 9
4" diag.
16 : 9
Display Resolution & Type 480 x 800 pixels
(~207 ppi)
AMOLED
1125 x 2436 pixels
(~463 ppi)
AMOLED
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~275 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz 60 Hz
Battery 1,850 mAh 2,716 mAh 3,000 mAh 1,520 mAh
Processor 1.5 GHz Qualcomm Snapdragon S3 APQ8060 Apple A11 1.8 GHz Qualcomm Snapdragon 450 1.2 GHz Qualcomm Snapdragon S2 MSM8655
RAM 1 GB 3 GB 2 GB 768 MB
Storage 16 GB 64 GB * 32 GB 4 GB
Main Camera 8 megapixel 12 megapixel 13 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - Yes - -
Video Capture 1080p HD 4K UHD 1080p HD 720p HD
Front Camera 2 megapixel 7 megapixel 5 megapixel 1 megapixel
Weight 4.71 oz
(133g)
6.14 oz
(174g)
5.11 oz
(145g)
5.22 oz
(148g)
Dimensions 5.12" x 2.72" x 0.35"
(130 x 69 x 9 mm)
5.65" x 2.79" x 0.3"
(144 x 71 x 7.6 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
4.78" x 2.44" x 0.46"
(122 x 62 x 11.8 mm)
Platform / OS Android iOS Android Android
Network Bands

4G LTE: 4, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G WiMAX: 41

WCDMA: 1, 8

CDMA: 800, 850, 1900

GSM: 850, 1900

*

Data Technology LTE (Cat 3) LTE (Cat 9) LTE (Cat 6) WiMAX
Features 
Barometer - Yes - -
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - Yes Yes Yes
Water-Resistant - Yes
IPX7 (snorkeling)
- -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
NFC Yes Yes Yes * -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,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
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes - Yes Yes
Music
FM Radio - - Yes Yes
Headphone Jack (3.5mm) Yes - Yes Yes
Stereo Speakers - Yes - -
Photo & Video
DLNA Yes - Yes Yes
TV Output Yes Yes - -
Power
Fast Charging - Yes - -
Wireless Charging - Yes - -
Voice
HD Voice - Yes Yes -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy S II Skyrocket Apple iPhone X LG K40 / Harmony 3 HTC EVO Design 4G / Hero S (CDMA)
  X > < X > < X > < X

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

 
Phone Samsung Galaxy S II Skyrocket Apple iPhone X LG K40 / Harmony 3 HTC EVO Design 4G / Hero S (CDMA)

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