Samsung Galaxy A20 vs T-Mobile Revvl 4

Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone specs comparison tool or pick a popular device from the ones below.

$160 VIEW ON amazon

Display

Size

6.4 inches
6.2 inches

Resolution

1560 x 720 pixels, 19.5:9 ratio,
268 PPI
1520 x 720 pixels, 19:9 ratio,
270 PPI

Technology

Super AMOLED
LCD

Screen-to-body

84.95 %
79.97 %

Features

Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip

Samsung Exynos 7884
MediaTek Helio A22

Processor

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Quad-core, 2000 MHz, ARM Cortex-A53, 64-bit, 12 nm

GPU

Mali-G71 MP2
PowerVR GE8300

RAM

3GB LPDDR4
2GB

Internal storage

32GB, available to use: 20.3 GB
32GB, available to use: 24 GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 256 GB

Device type

Smartphone
Smartphone

OS

Android (10, 9.0 Pie), Samsung One UI
Android (10)

Battery

Capacity

4000 mAh
3500 mAh

Type

Not user replaceable
Not user replaceable

Charging

Samsung Adaptive Fast Charging
 

Camera

Rear

Dual camera
Single camera

Main camera

13 MP (Autofocus)
13 MP (Autofocus)

Specifications

Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
 

Second camera

5 MP (Ultra-wide)
 

Specifications

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

Video recording

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

Front

8 MP
5 MP

Design

Dimensions

6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)
6.26 x 2.99 x 0.32 inches (159 x 75.9 x 8.1 mm)

Weight

5.96 oz (169.0 g)
the average is 6.3 oz (179 g)
5.59 oz (158.5 g)
the average is 6.3 oz (179 g)

Materials

Back: Plastic
Back: Plastic

Biometrics

2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Keys

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors

Black,Deep blue, Red
Graphite

Cellular

Carrier locked

 
Yes

LTE (FDD)

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
Bands 2(1900), 4(AWS-1), 5(850), 7(2600), 12(700 a), 25(1900+), 26(850+), 66(AWS-3), 71(600)

LTE (TDD)

 
Bands 41(2600+)

UMTS

850, 900, 1900, 2100 MHz
850, 1700/2100, 1900 MHz

Data Speed

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
Nano SIM

HD Voice

 
Yes

VoLTE

 
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Dolby Atmos
 

Screen mirroring

Wireless screen share
Wireless screen share

Radio

 
FM

Additional microphone(s)

for Noise cancellation
 

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

Type-C (reversible), USB 2.0
Type-C (reversible)

Features

Charging
Charging

Location

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

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer

Hearing aid compatible

 
M3, T3

Regulatory Approval

FCC approval

 
 

Date approved

Jun 19, 2019
 

FCC ID value: A3LSMA205U link
 

Measured SAR

 
 

Head

1.09 W/kg
 

Body

0.60 W/kg
 

Simultaneous Transmission

1.37 W/kg
 

Wireless Router

1.00 W/kg
 

Phablet

3.94 W/kg
 

Buyers information

Price

$ 250
$ 120

In The Box

 
Quick Start Guide, Charger Head, Data cable, Product Safety Information, SIM Tool

Availability

Officially announced

 
Aug 27, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
FCC OKs Cingular's purchase of AT&T Wireless