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Phone ZTE Savvy Nokia Lumia 521 / 520 Samsung Galaxy S 4 (GSM) Samsung Galaxy Attain 4G
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
4" diag.
5 : 3
5" diag.
16 : 9
3.5" diag.
5 : 3
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
AMOLED
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 60 Hz
Battery 1,650 mAh 1,430 mAh 2,600 mAh 1,650 mAh
Processor 1 GHz Qualcomm MSM8625 1 GHz Qualcomm Snapdragon S4 MSM8270 1.9 GHz Qualcomm Snapdragon 600 8064T ?
RAM 768 MB 512 MB 2 GB 512 MB
Storage 4 GB 8 GB 16 GB * ? raw hardware
Main Camera 5 megapixel 5 megapixel 13 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture WVGA / 480p 720p HD 1080p HD WVGA / 480p
Front Camera - - 2 megapixel 1 megapixel
Weight 4.43 oz
(126g)
4.39 oz
(124g)
4.59 oz
(130g)
4.2 oz
(119g)
Dimensions 4.96" x 2.55" x 0.42"
(126 x 65 x 10.7 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
5.38" x 2.75" x 0.31"
(137 x 70 x 7.9 mm)
4.57" x 2.38" x 0.46"
(116 x 60 x 11.7 mm)
Platform / OS Android Windows Android Android
Network Bands

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4

CDMA: 850, 1700, 1900

Data Technology EVDO rA HSPA+ 21 LTE (Cat 3) LTE (Cat 3)
Features 
Flashlight Yes - Yes -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - - Yes -
NFC - - Yes -
USB Yes
Micro-USB
Yes Yes Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes Yes
5 (802.11 a,ac,b,g,n)
Yes
Input
Side Keys Yes Yes Yes Yes
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes
Photo & Video
DLNA Yes - Yes Yes
Miracast - - Yes -
TV Output - - Yes -
Voice
Speaker Phone Yes Yes Yes Yes
  ZTE Savvy Nokia Lumia 521 / 520 Samsung Galaxy S 4 (GSM) Samsung Galaxy Attain 4G
  X > < X > < X > < X

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

 
Phone ZTE Savvy Nokia Lumia 521 / 520 Samsung Galaxy S 4 (GSM) Samsung Galaxy Attain 4G

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