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Phone Apple iPhone 4 (GSM) Samsung SGH-A727 Nokia 7.1 LG K20 / Harmony / Grace Sanyo RL-4930
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? 5.8" diag.
19 : 9
5.3" diag.
16 : 9
?
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
1080 x 2280 pixels
(~432 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
128 x 112 pixels
LCD (STN)
Display Refresh 60 Hz ? 60 Hz 60 Hz ?
Battery ? ? 3,060 mAh 2,800 mAh 1,700 mAh
Processor Apple A4 ? Qualcomm Snapdragon 636 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ?
RAM ? ? 4 GB * 1.5 GB ?
Storage 32 GB * ? raw hardware 64 GB * 16 GB ? raw hardware
Main Camera 5 megapixel 1 megapixel 12 megapixel 8 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD QCIF (176 x 144) 4K UHD 1080p HD -
Front Camera Yes - 8 megapixel 5 megapixel -
Weight 4.8 oz
(136g)
2.82 oz
(80g)
5.64 oz
(160g)
5 oz
(142g)
4.4 oz
(125g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
4.51" x 2.01" x 0.35"
(115 x 51 x 8.9 mm)
5.89" x 2.8" x 0.31"
(150 x 71 x 8 mm)
5.9" x 3" x 0.3"
(150 x 76 x 7.6 mm)
4.5" x 2" x 1"
(114 x 51 x 25.4 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS iOS (proprietary) Android Android (proprietary)
Network Bands

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 17, 28, 38, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology HSPA 7.2 HSDPA 1.8 LTE (Cat 6) LTE (Cat 4) 1xRTT
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes Yes -
GPS / Location n/a - n/a n/a Yes
Ruggedized - - - - Yes
Accessibility
Adjustable Text Size n/a - n/a n/a -
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- - Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot n/a - n/a n/a -
NFC - - Yes Yes * -
USB Yes Yes Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a Yes n/a n/a Yes
Ringer ID n/a Yes n/a n/a Yes
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 Yes n/a n/a -
Data & Network
Data Tethering n/a Yes n/a n/a -
Dual-SIM - - Yes - -
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 Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client n/a Yes n/a n/a -
Instant Messaging n/a Yes n/a n/a -
MMS n/a Yes n/a n/a -
Text Messaging Templates n/a Yes n/a n/a -
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) Yes - Yes Yes -
Music Player n/a Yes n/a n/a -
Photo & Video
TV Output Yes - - - -
Power
Fast Charging - - Yes - -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a -
Calendar n/a Yes n/a n/a Yes
To-Do List n/a Yes n/a n/a Yes
Voice Memo n/a Yes n/a n/a Yes
Software
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a Yes n/a n/a Yes
Voice
Call Screening - - - - Yes
HD Voice - - - Yes -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Apple iPhone 4 (GSM) Samsung SGH-A727 Nokia 7.1 LG K20 / Harmony / Grace Sanyo RL-4930
  X > < X > < X > < X > < X

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

 
Phone Apple iPhone 4 (GSM) Samsung SGH-A727 Nokia 7.1 LG K20 / Harmony / Grace Sanyo RL-4930

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