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Phone Samsung Wafer R510 Samsung Galaxy S6 (GSM) Coolpad Defiant ZTE Savvy
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 1.9" diag.
4 : 3
5.1" diag.
16 : 9
5" diag.
16 : 9
4" diag.
5 : 3
Display Resolution & Type 220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz
Battery 800 mAh 2,550 mAh 2,450 mAh 1,650 mAh
Processor ? 2.1 GHz Samsung Exynos 7420 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 1 GHz Qualcomm MSM8625
RAM ? 3 GB 1 GB 768 MB
Storage ? raw hardware 32 GB * 8 GB 4 GB
Main Camera 1 megapixel 16 megapixel 5 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? 4K UHD 720p HD WVGA / 480p
Front Camera - 5 megapixel 2 megapixel -
Weight 2.47 oz
(70g)
4.87 oz
(138g)
6.5 oz
(184g)
4.43 oz
(126g)
Dimensions 4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
4.96" x 2.55" x 0.42"
(126 x 65 x 10.7 mm)
Form Factor Slab Slab Slab Slab
Platform / OS (proprietary) Android Android Android
Network Bands

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO r0 LTE (Cat 6) LTE (Cat 4) EVDO rA
Features 
Fingerprint Reader - Yes - -
Flashlight - Yes Yes Yes
GPS / Location Yes n/a n/a n/a
VR-ready - Yes - -
Accessibility
Adjustable Text Size - n/a n/a n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - Yes - -
MirrorLink - Yes - -
NFC - Yes - -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID - n/a n/a n/a
Voice Dialing Yes n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers - n/a n/a n/a
Data & Network
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client - n/a n/a n/a
Instant Messaging - n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates - n/a n/a n/a
Music
Headphone Jack (3.5mm) - Yes Yes Yes
Music Player Yes n/a n/a n/a
Stereo Speakers Yes - - -
Photo & Video
DLNA - Yes - Yes
Miracast - Yes - -
TV Output - Yes - -
Power
Fast Charging - Yes - -
Wireless Charging - Yes - -
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
BREW Yes n/a n/a n/a
Games Yes n/a n/a n/a
Voice
HD Voice - Yes - -
Speaker Phone Yes Yes Yes Yes
  Samsung Wafer R510 Samsung Galaxy S6 (GSM) Coolpad Defiant ZTE Savvy
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Wafer R510 Samsung Galaxy S6 (GSM) Coolpad Defiant ZTE Savvy

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