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Phone ZTE Savvy Nokia 2651 Samsung Galaxy S6 (GSM) BlackBerry Bold 9900 Samsung Wafer R510
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
? 5.1" diag.
16 : 9
2.8" diag.
4 : 3
1.9" diag.
4 : 3
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
1440 x 2560 pixels
(~576 ppi)
AMOLED
640 x 480 pixels
(~286 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ? ?
Battery 1,650 mAh 760 mAh 2,550 mAh 1,230 mAh 800 mAh
Processor 1 GHz Qualcomm MSM8625 ? 2.1 GHz Samsung Exynos 7420 1.2 GHz Qualcomm Snapdragon S2 MSM8255 ?
RAM 768 MB ? 3 GB 768 MB ?
Storage 4 GB ? raw hardware 32 GB * 8 GB ? raw hardware
Main Camera 5 megapixel - 16 megapixel 5 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture WVGA / 480p - 4K UHD 720p HD ?
Front Camera - - 5 megapixel - -
Weight 4.43 oz
(126g)
3.4 oz
(96g)
4.87 oz
(138g)
4.59 oz
(130g)
2.47 oz
(70g)
Dimensions 4.96" x 2.55" x 0.42"
(126 x 65 x 10.7 mm)
3.35" x 1.81" x 0.9"
(85 x 46 x 22.9 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.53" x 2.6" x 0.41"
(115 x 66 x 10.5 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) Android BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 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

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology EVDO rA GPRS LTE (Cat 6) HSPA 14.4 EVDO r0
Features 
Fingerprint Reader - - Yes - -
Flashlight Yes - Yes - -
GPS / Location n/a - n/a n/a Yes
VR-ready - - Yes - -
Accessibility
Adjustable Text Size n/a - n/a n/a -
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - - Yes - -
MirrorLink - - Yes - -
NFC - - Yes Yes -
USB Yes
Micro-USB
- Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID n/a - n/a n/a Yes
Ringer ID n/a - n/a n/a -
Voice Dialing n/a - n/a n/a Yes
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a - n/a n/a -
Data & Network
Data Tethering n/a - n/a n/a -
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
Side Keys Yes - Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen Yes - Yes Yes -
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client n/a Yes n/a n/a -
EMS / Picture Messaging n/a Yes n/a n/a -
Instant Messaging n/a - n/a n/a -
MMS n/a Yes n/a n/a Yes
Text Messaging Templates n/a - n/a n/a -
Music
Headphone Jack (3.5mm) Yes - Yes Yes -
Music Player n/a - n/a n/a Yes
Stereo Speakers - - - - Yes
Photo & Video
DLNA Yes - Yes - -
Miracast - - Yes - -
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a Yes
To-Do List n/a - n/a n/a -
Voice Memo n/a - n/a n/a Yes
Software
BREW n/a - n/a n/a Yes
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a Yes n/a n/a -
Voice
HD Voice - - Yes - -
Speaker Phone Yes - Yes Yes Yes
  ZTE Savvy Nokia 2651 Samsung Galaxy S6 (GSM) BlackBerry Bold 9900 Samsung Wafer R510
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Savvy Nokia 2651 Samsung Galaxy S6 (GSM) BlackBerry Bold 9900 Samsung Wafer R510

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