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Phone Samsung SGH-A157 Samsung SGH-X640 Nubia RedMagic 5S Samsung Captivate Glide Motorola Moto Z2 Force
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.8" diag.
4 : 3
? 6.7" diag.
19.5 : 9
4" diag.
5 : 3
5.5" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
480 x 800 pixels
(~233 ppi)
AMOLED
1440 x 2560 pixels
(~534 ppi)
AMOLED
Display Refresh ? ? 144 Hz 60 Hz 60 Hz
Battery 800 mAh 800 mAh 4,500 mAh 1,650 mAh 2,730 mAh
Processor ? ? Qualcomm Snapdragon 865 1 GHz Nvidia Tegra 2 AP20H 2.4 GHz Qualcomm Snapdragon 835 (MSM8998)
RAM ? ? 8 GB * 1 GB 4 GB
Storage 256 MB ? raw hardware 128 GB * 8 GB 64 GB
Main Camera - Yes 64 megapixel 8 megapixel 12 megapixel
Wide Camera - - 8 megapixel - -
Tele Camera - - - - -
Video Capture - - 4K UHD 720p HD 4K UHD
Front Camera - - 8 megapixel 1 megapixel 5 megapixel
Weight 2.99 oz
(85g)
3 oz
(85g)
7.76 oz
(220g)
5.2 oz
(147g)
5.04 oz
(143g)
Dimensions 3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
4.88" x 2.55" x 0.51"
(124 x 65 x 13 mm)
6.13" x 2.99" x 0.24"
(156 x 76 x 6.1 mm)
Form Factor Clamshell Clamshell Slab Slide Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

5G: 41, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology ? GPRS NR (5G) HSPA+ 21 LTE (Cat 16)
Features 
Barometer - - - - Yes
Fingerprint Reader - - Yes - Yes
stand-alone
Flashlight - - Yes - Yes
GPS / Location Yes - n/a n/a n/a
VR-ready - - - - Yes
Water-Resistant - - - - Yes
Accessibility
Adjustable Text Size Yes - n/a n/a n/a
Hearing Aid Compatible Yes
M4 (very compatible)
- - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth - - Yes Yes Yes
Mobile Hotspot - - n/a n/a n/a
NFC - - - - Yes
USB Yes
Micro-USB
- Yes
USB Type C
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing - - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes - n/a n/a n/a
Data & Network
Data Tethering - - n/a n/a n/a
Dual-SIM - - Yes - Yes *
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys - Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client - - n/a n/a n/a
EMS / Picture Messaging - Yes n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - - n/a n/a n/a
Stereo Speakers - - Yes - -
Photo & Video
DLNA - - - Yes -
TV Output - - Yes Yes -
Power
Fast Charging - - Yes - Yes
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List Yes Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
Games - Yes n/a n/a n/a
Java (J2ME) - Yes n/a n/a n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) - Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-A157 Samsung SGH-X640 Nubia RedMagic 5S Samsung Captivate Glide Motorola Moto Z2 Force
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-A157 Samsung SGH-X640 Nubia RedMagic 5S Samsung Captivate Glide Motorola Moto Z2 Force

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