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Phone Motorola Droid RAZR MAXX HD Samsung SPH-Z400 Motorola Photon Q Samsung SCH-A990 Samsung Galaxy A21
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
1.9" diag.
4 : 3
4.3" diag.
16 : 9
? 6.5" diag.
20 : 9
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
AMOLED
176 x 220 pixels
(~150 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~256 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ? 60 Hz
Battery 3,300 mAh 1,300 mAh 1,785 mAh 1,000 mAh 4,000 mAh
Processor ? ? 1.5 GHz Qualcomm Snapdragon ? 2 GHz MediaTek Helio P35 (MT6765)
RAM 1 GB ? 1 GB ? 3 GB
Storage 32 GB ? raw hardware 8 GB ? raw hardware 32 GB
Main Camera 8 megapixel 1 megapixel 8 megapixel 3 megapixel 16 megapixel
Wide Camera - - - - 8 megapixel
Tele Camera - - - - -
Video Capture 1080p HD QCIF (176 x 144) 1080p HD ? 1080p HD
Front Camera 1 megapixel - 1 megapixel - 13 megapixel
Weight 5.54 oz
(157g)
4.06 oz
(115g)
6 oz
(170g)
4.4 oz
(125g)
6.81 oz
(193g)
Dimensions 5.19" x 2.67" x 0.37"
(132 x 68 x 9.3 mm)
3.73" x 1.91" x 1"
(95 x 49 x 25.4 mm)
4.98" x 2.6" x 0.54"
(126 x 66 x 13.7 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.61" x 3.02" x 0.32"
(168 x 77 x 8.1 mm)
Form Factor Slab Clamshell Slide Clamshell Slab
Platform / OS Android (proprietary) Android (proprietary) Android
Network Bands

4G LTE: 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 25

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) EVDO rA LTE (Cat 3) EVDO r0 LTE (Cat 6)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - Yes Yes
GPS / Location n/a Yes n/a Yes n/a
Ruggedized - Yes - - -
Accessibility
Adjustable Text Size n/a Yes n/a - n/a
Hearing Aid Compatible Yes
M3, T4 (very tele-coil compatible)
Yes
M4 (very compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot n/a - n/a - n/a
NFC Yes - Yes - Yes
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi Yes
4 (802.11 a,b,g,n)
- Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes n/a Yes n/a
Ringer ID n/a Yes n/a Yes n/a
Voice Dialing n/a Yes n/a Yes n/a
Customization
Custom Graphics n/a Yes n/a Yes n/a
Custom Ringtones n/a Yes n/a Yes n/a
Real-Music Ringers n/a Yes n/a Yes n/a
Data & Network
Data Tethering n/a Yes n/a Yes n/a
WAP / Web Browser n/a Yes n/a Yes n/a
Input
Predictive Text Entry n/a Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes
Capacitive
- Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a Yes n/a - n/a
EMS / Picture Messaging n/a - n/a Yes n/a
Instant Messaging n/a - n/a - n/a
MMS n/a - n/a Yes n/a
Text Messaging Templates n/a Yes n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes - Yes - Yes
Music Player n/a - n/a Yes n/a
Stereo Speakers - Yes - Yes -
Photo & Video
DLNA Yes - Yes - -
TV Output Yes - Yes Yes -
Power
Fast Charging - - - - Yes
Productivity
Alarm n/a Yes n/a Yes n/a
Calculator n/a Yes n/a Yes n/a
Calendar n/a Yes n/a Yes n/a
Voice Memo n/a Yes n/a Yes n/a
Software
BREW n/a - n/a Yes n/a
Games n/a Yes n/a Yes n/a
Java (J2ME) n/a Yes n/a - n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) n/a Yes n/a - n/a
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  Motorola Droid RAZR MAXX HD Samsung SPH-Z400 Motorola Photon Q Samsung SCH-A990 Samsung Galaxy A21
  X > < X > < X > < X > < X

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

 
Phone Motorola Droid RAZR MAXX HD Samsung SPH-Z400 Motorola Photon Q Samsung SCH-A990 Samsung Galaxy A21

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