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Phone Apple iPhone 4 (GSM) Motorola Charm Apple iPhone Xr BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
2.8" diag.
4 : 3
6.1" diag.
19.5 : 9
?
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
828 x 1792 pixels
(~324 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
Display Refresh 60 Hz 60 Hz 60 Hz ?
Battery ? 1,170 mAh 2,942 mAh ?
Processor Apple A4 720 MHz TI OMAP3410 Apple A12 Bionic ?
RAM ? ? 3 GB ?
Storage 32 GB * ? raw hardware 64 GB * ? raw hardware
Main Camera 5 megapixel 3 megapixel 12 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD ? 4K UHD -
Front Camera Yes - 7 megapixel -
Weight 4.8 oz
(136g)
3.88 oz
(110g)
6.84 oz
(194g)
5.01 oz
(142g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
5.94" x 2.98" x 0.33"
(151 x 76 x 8.4 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Platform / OS iOS Android iOS BlackBerry OS
Network Bands

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 29, 30, 32, 34, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology HSPA 7.2 HSDPA 3.6 LTE (Cat 9) 1xRTT
Features 
Barometer - - Yes -
Flashlight - - Yes -
Water-Resistant - - Yes
IPX7 (snorkeling)
-
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
-
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes -
NFC - - Yes -
USB Yes Yes
Micro-USB
Yes Yes
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)
-
Data & Network
Dual-SIM - - Yes -
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot - Yes - -
Music
Headphone Jack (3.5mm) Yes Yes - -
Stereo Speakers - - Yes -
Photo & Video
TV Output Yes - Yes -
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Voice
HD Voice - - Yes -
Speaker Phone Yes Yes Yes -
  Apple iPhone 4 (GSM) Motorola Charm Apple iPhone Xr BlackBerry 7750
  X > < X > < X > < X

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

 
Phone Apple iPhone 4 (GSM) Motorola Charm Apple iPhone Xr BlackBerry 7750

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