Samsung Galaxy S4 vs Samsung Galaxy A20

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$153.95 VIEW ON AMAZON

Display

Display size

5.0 inches
6.4 inches

Resolution

1080 x 1920 pixels
720 x 1560 pixels

Pixel density

441 ppi
268 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

71.91 %
84.95 %

Features

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Proximity sensor

Camera

Rear

Single camera
Dual camera

Main camera

13 megapixels
13 megapixels

Hardware Features

Autofocus, CMOS image sensor, Back-illuminated sensor (BSI)
Autofocus

Specifications

Aperture size: F2.2; Focal length: 31 mm; Sensor size: 1/3.06"; Pixel size: 1.14 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm

Second camera

 
5 megapixels

Hardware Features

 
Ultra-wide

Specifications

 
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Flash

LED
LED

Video recording

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Digital image stabilization
Video calling, Video sharing

Front

2 megapixels
8 megapixels

Design

Dimensions

5.38 x 2.75 x 0.31 inches (136.6 x 69.8 x 7.9 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

4.59 oz (130 g)
the average is 6 oz (172 g)
5.96 oz (169 g)
the average is 6 oz (172 g)

Materials

Back: Plastic
Back: Plastic

Biometrics

 
2D Face unlock, Fingerprint (touch)

Colors

Black, Blue, Red, White
Black, Blue, Red

Hardware & Performance

System chip

Qualcomm Snapdragon 600 8974
Samsung Exynos 7884

Processor

Quad-core, 1900 MHz, Krait 300
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 320
Mali-G71 MP2

RAM

2 GB
3 GB

Internal storage

64 GB
32 GB

Maximum User Storage

 
21.7 GB

Storage expansion

up to 64 GB
up to 512 GB

OS

Android (5.0 Lollipop, 4.4.2, 4.3, 4.2.2)
Android (9.0 Pie), Samsung One UI

Battery

Capacity

2600 mAh
4000 mAh

Charging

 
Samsung Adaptive Fast Charging

Talk time (3G)

17.00 hours
the average is 23 h (1387 min)
26.00 hours
the average is 23 h (1387 min)

Stand-by time (3G)

15.4 days (370 hours)
the average is 26 days (636 h)
 

Stand-by time (4G)

13.3 days (320 hours)
the average is 26 days (627 h)
 

Internet use

 
 

3G

 
12 hours

LTE

 
13 hours

Wi-Fi

 
13 hours

Music playback

62.00 hours
82.00 hours

Video playback

11.00 hours
21.00 hours

Cellular

LTE (FDD)

Bands 1, 3, 5, 7, 8, 18
Bands 1, 3, 5, 7, 8, 20

LTE (TDD)

 
Bands 38, 40, 41

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

Data

LTE Cat 3 (100/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

 
Yes

SIM type

Micro SIM
Nano SIM

VoLTE

Yes
 

Connectivity

Bluetooth

4.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band
802.11 b, g, n

USB

USB 2.0
USB 2.0

Connector

microUSB
USB Type-C (reversible)

Features

Mass storage device, USB OTG, USB charging, Video out
Mass storage device

HDMI

Yes
 

Location

GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning

Other

NFC, ANT+, Infrared, Tethering, Computer sync, OTA sync
VoIP, Tethering, Computer sync, OTA sync

Phone features

Sensors

Accelerometer, Gyroscope, Compass, Thermometer, Gesture, Humidity, Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Notifications

Notification light, Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Multimedia

Screen mirroring

DLNA, Wireless screen share, MHL
Wireless screen share

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

 
for Noise cancellation

Regulatory Approval

FCC approval

 
 

Date approved

Mar 14, 2013
 

FCC ID value: A3LGTI9505 link
 

FCC measured SAR

 
 

Head

0.50 W/kg
 

Body

0.65 W/kg
 

Simultaneous Transmission

1.17 W/kg
 

Wireless Router

0.67 W/kg
 
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