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Phone Apple iPhone 3G Samsung Jack i637 Google Pixel 3a XL ZTE Blade Vantage
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
2.4" diag.
4 : 3
6" diag.
18 : 9
5" diag.
16 : 9
Display Resolution & Type 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 60 Hz
Battery ? 1,480 mAh 3,700 mAh 2,500 mAh
Processor ? ? 2 GHz Qualcomm Snapdragon 670 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? ? 4 GB 2 GB
Storage 16 GB * ? raw hardware 64 GB 16 GB
Main Camera 2 megapixel 3 megapixel 12 megapixel 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? 4K UHD 720p HD
Front Camera - - 8 megapixel 2 megapixel
Weight 4.7 oz
(133g)
3.6 oz
(102g)
5.89 oz
(167g)
5.29 oz
(150g)
Dimensions 4.52" x 2.44" x 0.49"
(115 x 62 x 12.4 mm)
4.4" x 2.4" x 0.5"
(112 x 61 x 12.7 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
5.73" x 2.85" x 0.36"
(146 x 72 x 9.2 mm)
Platform / OS iOS Windows Mobile Standard Android Android
Network Bands

WCDMA: 1, 2, 5

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, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 13

Data Technology HSDPA 3.6 HSDPA 3.6 LTE (Cat 11) LTE (Cat 4)
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - - Yes Yes
Accessibility
Hearing Aid Compatible - Yes Yes Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC - - Yes -
USB Yes Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
802.11 b,g
Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen Yes - Yes Yes
Memory
Memory Card Slot - Yes - Yes
Music
Headphone Jack (3.5mm) Yes - Yes Yes
Stereo Speakers - - Yes -
Photo & Video
TV Output Yes - - -
Power
Fast Charging - - Yes -
Voice
Call Screening - - Yes -
HD Voice - - Yes Yes
Speaker Phone Yes Yes Yes Yes
  Apple iPhone 3G Samsung Jack i637 Google Pixel 3a XL ZTE Blade Vantage
  X > < X > < X > < X

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

 
Phone Apple iPhone 3G Samsung Jack i637 Google Pixel 3a XL ZTE Blade Vantage

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