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Phone Apple iPhone 4 (GSM) ZTE Blade Z Max Cricket Debut S2 / AT&T Calypso 4 OnePlus 7 Pro (5G) Sony Xperia Z2
Current U.S. Carriers (none) (none) AT&T (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size 3.5" diag.
5 : 3
6" diag.
16 : 9
6.1" diag.
19.5 : 9
6.7" diag.
19.5 : 9
5.2" diag.
16 : 9
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
1440 x 3120 pixels
(~515 ppi)
AMOLED
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz 90 Hz 60 Hz
Battery ? 4,080 mAh 3,000 mAh 4,000 mAh 3,200 mAh
Processor Apple A4 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) 2 GHz MediaTek Helio A22 (MT6761WB) 2.8 GHz Qualcomm Snapdragon 855 2.3 GHz Qualcomm Snapdragon 801 MSM8974AB
RAM ? 2 GB 3 GB 6 GB * 3 GB
Storage 32 GB * 32 GB 64 GB 128 GB * 16 GB
Main Camera 5 megapixel 16 megapixel 8 megapixel 48 megapixel 20 megapixel
Wide Camera - - - 16 megapixel -
Tele Camera - - - 8 megapixel -
Video Capture 720p HD 1080p HD ? 4K UHD 4K UHD
Front Camera Yes 8 megapixel 5 megapixel 16 megapixel 2 megapixel
Weight 4.8 oz
(136g)
6.58 oz
(186g)
5.64 oz
(160g)
7.27 oz
(206g)
5.75 oz
(163g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
6.51" x 3.28" x 0.33"
(165 x 83 x 8.3 mm)
6.11" x 2.87" x 0.34"
(155 x 73 x 8.6 mm)
6.4" x 2.99" x 0.35"
(163 x 76 x 8.8 mm)
5.78" x 2.89" x 0.32"
(147 x 73 x 8.2 mm)
Platform / OS iOS Android Android Android Android
Network Bands

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66

WCDMA: 1, 2, 4, 5, 8

5G: 41

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 41, 46, 48, 66, 71

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

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology HSPA 7.2 LTE (Cat 6) LTE (Cat 4) LTE (Cat 18) LTE (Cat 4)
Features 
Fingerprint Reader - Yes
stand-alone
- Yes
in-display (optical)
-
Flashlight - Yes Yes Yes -
Ruggedized - - - - Yes
Water-Resistant - - - Yes Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes -
TTY/TDD (Digital) Yes Yes - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC - - - Yes Yes
USB Yes Yes
USB Type C
Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Input
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes Yes Yes Yes Yes
Memory
Memory Card Slot - Yes Yes - Yes
Music
FM Radio - Yes - - Yes
Headphone Jack (3.5mm) Yes Yes Yes - Yes
Stereo Speakers - - - Yes -
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
TV Output Yes - - - Yes
Power
Fast Charging - Yes Yes Yes -
Voice
HD Voice - Yes Yes Yes -
Speaker Phone Yes Yes Yes Yes Yes
  Apple iPhone 4 (GSM) ZTE Blade Z Max Cricket Debut S2 / AT&T Calypso 4 OnePlus 7 Pro (5G) Sony Xperia Z2
  X > < X > < X > < X > < X

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

 
Phone Apple iPhone 4 (GSM) ZTE Blade Z Max Cricket Debut S2 / AT&T Calypso 4 OnePlus 7 Pro (5G) Sony Xperia Z2

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