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Phone Samsung SPH-A640 Motorola i90c Amazon Fire TCL 10 Pro Motorola A845
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4.7" diag.
16 : 9
6.5" diag.
19.5 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
?
LCD (Grayscale)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~398 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh ? 2,400 mAh 4,500 mAh ?
Processor ? ? 2.2 GHz Qualcomm Snapdragon 800 2 GHz Qualcomm Snapdragon 675 (SM6150) ?
RAM ? ? 2 GB 6 GB ?
Storage ? raw hardware ? raw hardware 32 GB * 128 GB ? raw hardware
Main Camera Yes - 13 megapixel 64 megapixel Yes
Wide Camera - - - 16 megapixel -
Tele Camera - - - - -
Video Capture - - 1080p HD 4K UHD ?
Front Camera - - 2 megapixel 24 megapixel Yes
Weight 3.2 oz
(91g)
5.33 oz
(151g)
5.64 oz
(160g)
6.6 oz
(187g)
5.47 oz
(155g)
Dimensions 3.6" x 1.8" x 0.9"
(91 x 46 x 22.9 mm)
3.5" x 2" x 1.1"
(89 x 51 x 27.9 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
6.24" x 2.85" x 0.36"
(159 x 72 x 9.2 mm)
5.4" x 2.2" x 1"
(137 x 56 x 25.4 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

iDEN: 800

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2

GSM: 850, 1800, 1900

Data Technology 1xRTT - LTE (Cat 4) LTE (Cat 6) WCDMA (UMTS)
Features 
Fingerprint Reader - - - Yes
in-display (optical)
-
Flashlight - - Yes Yes -
GPS / Location Yes - Yes n/a Yes
Accessibility
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes Yes
Mobile Hotspot - - Yes n/a -
NFC - - Yes Yes -
USB Yes - Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes - Yes n/a Yes
Ringer ID Yes - Yes n/a Yes
Voice Dialing Yes Yes Yes n/a Yes
Customization
Custom Graphics Yes - - n/a Yes
Custom Ringtones Yes - Yes n/a Yes
Real-Music Ringers - - - n/a Yes
Data & Network
Data Tethering Yes Yes Yes n/a Yes
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - - - Yes -
Messaging
Email Client - - Yes n/a Yes
EMS / Picture Messaging - - - n/a Yes
Instant Messaging - - - n/a Yes
MMS - - Yes n/a Yes
Text Messaging Templates Yes - Yes n/a -
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - - Yes n/a Yes
Stereo Speakers - - Yes - -
Photo & Video
Miracast - - Yes - -
TV Output - - Yes - -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List Yes - - n/a -
Voice Memo Yes Yes Yes n/a Yes
Software
Games Yes Yes Yes n/a Yes
Java (J2ME) Yes Yes - n/a Yes
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) Yes Yes - n/a Yes
Push-To-Talk Yes Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SPH-A640 Motorola i90c Amazon Fire TCL 10 Pro Motorola A845
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SPH-A640 Motorola i90c Amazon Fire TCL 10 Pro Motorola A845

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