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Phone LG K20 / Harmony / Grace ZTE Grand X 3 Samsung Galaxy S7 HTC Amaze 4G
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.3" diag.
16 : 9
5.5" diag.
16 : 9
5.1" diag.
16 : 9
4.3" diag.
16 : 9
Display Resolution & Type 720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
540 x 960 pixels
(~256 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz 60 Hz
Battery 2,800 mAh 3,080 mAh 3,000 mAh 1,730 mAh
Processor 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 1.3 GHz Qualcomm Snapdragon 210 (MSM8909) 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) 1.5 GHz Qualcomm Snapdragon S3 dual-core
RAM 1.5 GB 2 GB 4 GB 1 GB
Storage 16 GB 16 GB 32 GB 16 GB
Main Camera 8 megapixel 8 megapixel 12 megapixel 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD 720p HD 4K UHD 1080p HD
Front Camera 5 megapixel 2 megapixel 5 megapixel 2 megapixel
Weight 5 oz
(142g)
6 oz
(170g)
5.36 oz
(152g)
6.1 oz
(173g)
Dimensions 5.9" x 3" x 0.3"
(150 x 76 x 7.6 mm)
6.07" x 2.99" x 0.37"
(154 x 76 x 9.4 mm)
5.61" x 2.74" x 0.31"
(142 x 70 x 7.9 mm)
5.12" x 2.58" x 0.46"
(130 x 66 x 11.7 mm)
Platform / OS Android Android Android Android
Network Bands

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 29, 30, 40, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 4) LTE (Cat 9) HSPA+ 42
Features 
Fingerprint Reader - - Yes -
Flashlight Yes Yes Yes Yes
VR-ready - - Yes -
Water-Resistant - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
MirrorLink - - Yes -
NFC Yes * - Yes Yes
USB Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 a,b,g,n)
Data & Network
Dual-SIM - - Yes -
Input
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes
Music
FM Radio Yes - - Yes
Headphone Jack (3.5mm) Yes Yes Yes Yes
Photo & Video
DLNA - - Yes Yes
Miracast - - Yes -
TV Output - - - Yes
Power
Fast Charging - Yes Yes -
Wireless Charging - - Yes -
Voice
HD Voice Yes Yes Yes -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  LG K20 / Harmony / Grace ZTE Grand X 3 Samsung Galaxy S7 HTC Amaze 4G
  X > < X > < X > < X

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

 
Phone LG K20 / Harmony / Grace ZTE Grand X 3 Samsung Galaxy S7 HTC Amaze 4G

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