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Samsung Galaxy A21 vs T-Mobile Revvl 4+ Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
Samsung Galaxy A21
T-Mobile Revvl 4+
Samsung Galaxy A21 T-Mobile Revvl 4+
Released · Jun 29, 2020
Released · Sep 04, 2020
6.5-inch · 1600x720px
6.5-inch · 1600x720px
Quad camera
Dual camera
3GB · 32GB
4GB · 64GB
4000 mAh
4000 mAh

Design

Dimensions
6.61 x 3.02 x 0.32 inches
167.8 x 76.7 x 8.1 mm 		6.51 x 2.96 x 0.32 inches
165.4 x 75.2 x 8.1 mm
Weight
6.81 oz (193.0 g) 6.35 oz (180.0 g)
Materials
Back: Plastic
Frame: Plastic 		Back: Plastic
Biometrics
Fingerprint (touch) 2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black Steel gray

Display

Size
6.5-inch 6.5-inch
Resolution
1600x720px, 20:9 ratio, 270 PPI 1600x720px, 20:9 ratio, 269 PPI
Technology
IPS LCD LCD
Refresh rate
60Hz
Screen-to-body
79.20 % 82.56 %
Features
Ambient light sensor, Proximity sensor Ambient light sensor, Proximity sensor

Hardware

System chip
Mediatek Helio P35 MT6765 (12 nm) Qualcomm Snapdragon 665 SM6125 (11 nm)
Processor
Octa-core
4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53 		Octa-core
1800 MHz
Kryo 260
GPU
PowerVR GE8320 Adreno 610
RAM
3GB (LPDDR4) 4GB
Internal storage
32GB (eMMC 5.1), available to use: 19.8 GB 64GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 256 GB
OS
Android (10), Samsung One UI Android (10)

Battery

Capacity
4000 mAh 4000 mAh
Type
Li - Polymer
Charging
Fast charging Qualcomm Quick Charge 3.0
Charge speed
Wired: 15.0W

Camera

Rear
Quad camera Dual camera
Main camera
16 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/3.06"
Pixel size: 1 μm 		16 MP (Autofocus)
Aperture size: F1.8
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm 		5 MP (Depth information)
Third camera
2 MP (Macro)
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1920x1080 (Full HD) (30 fps) 3840x2160 (4K UHD)
Front
13 MP, Video capture: 1920x1080 (Full HD) 16 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0 Type-C
Hearing aid compatible
M4/T3 M3/T3
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass Accelerometer
Other
NFC NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM
Additional microphone(s)
Noise cancellation

Cellular

Carrier locked
Yes
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 5(850), 4(1700/2100), 2(1900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Cat 12 (600/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM Nano SIM
HD Voice
Yes Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Apr 17, 2020
FCC ID value: ZCASMA215U 		Date approved: Jun 18, 2020
FCC ID value: 2ACCJH122
Measured SAR
Head: 0.42 W/kg
Body: 1.27 W/kg
Simultaneous Transmission: 1.27 W/kg
Wireless Router: 1.27 W/kg 		Head: 1.02 W/kg
Body: 0.47 W/kg
Simultaneous Transmission: 1.47 W/kg
Wireless Router: 1.34 W/kg
Phablet: 3.86 W/kg

Buyers information

MSRP
$ 250 $ 192
In The Box
This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer. Quick Start Guide, Charger Head, Data cable, Product Safety Information, SIM Tool

Availability

Officially announced
Apr 08, 2020 Aug 27, 2020

Alternative variants

for Verizon
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD) Bands 38(2600), 40(2300), 41(2600+)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for Sprint
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
FCC OKs Cingular\'s purchase of AT&T Wireless