Asus ZenFone 6 (2019) vs Samsung Galaxy S21 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.

8.0
Asus ZenFone 6 (2019)
8.5
Samsung Galaxy S21
Asus ZenFone 6 (2019) Samsung Galaxy S21
Released · May 25, 2019
Released · Jan 29, 2021
6.4-inch
6.2-inch
Dual camera
Triple camera
6GB · 64GB
8GB · 128GB
5000 mAh
4000 mAh
Check prices

Design

Dimensions
6.26 x 2.97 x 0.36 inches
159.1 x 75.44 x 9.1 mm
5.97 x 2.80 x 0.31 inches
151.7 x 71.2 x 7.9 mm
Weight
6.70 oz (190.0 g) 6.03 oz (171.0 g)
Materials
Back: Glass (Corning Gorilla Glass 3) Back: Plastic
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch) 2D Face unlock, Ultrasonic in-screen fingerprint
Features
Notification light
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Silver Phantom pink, Violet, Gray, White

Display

Size
6.4-inch 6.2-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 2400x1080px, 20:9 ratio, 424 PPI
Technology
IPS LCD Dynamic AMOLED
Refresh rate
120Hz (adaptive)
Screen-to-body
83.82 % 86.06 %
Peak brightness
1300 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 855 SM8150 (7 nm) Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core
2840 MHz
Kryo 485
Octa-core
1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 640 Adreno 660
RAM
6GB (LPDDR4) 8GB (LPDDR5)
Internal storage
64GB 128GB (UFS 3.0)
Storage expansion
microSDXC up to 2000 GB not expandable
OS
Android (11, 9.0 Pie), ASUS Zen UI Android (13, 12, 11), Samsung One UI

Battery

Capacity
5000 mAh 4000 mAh
Type
Li - Polymer
Charging
Qualcomm Quick Charge 4 Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
4h 28min
Browsing
7h 47min
Video
7h 36min
Gaming
7h 9min

Camera

Rear
Dual camera, Swivel, Doubles as a selfie camera Triple camera
Main camera
48 MP (Laser and PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.76"
Pixel size: 1.8 μm
Second camera
13 MP (Ultra-wide)
Focal Length: 11 mm
12 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
64 MP (Telephoto, OIS, PDAF)
Aperture size: F2.0
Focal Length: 29 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm
Flash
Dual LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
Time-lapse video, Picture-taking during video recording, EIS
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.0, Yes 5.0
WLAN
802.11 a,b,g,n,ac,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band
MIMO, Wi-Fi Direct, Hotspot
USB
Type-C Type-C, USB 3.2
Hearing aid compatible
M4/T4 M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers) Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC NFC, ANT+

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM, Stereo, RDS
Additional microphone(s)
Noise cancellation Noise cancellation, Video recording

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+) Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 5(850), 8(900), 2(1900), 1(2100) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Apr 16, 2019
FCC ID value: MSQI01WD
Date approved: Dec 08, 2020
FCC ID value: A3LSMG991U
Measured SAR
Head: 1.18 W/kg
Body: 0.93 W/kg
Simultaneous Transmission: 1.58 W/kg
Wireless Router: 1.18 W/kg
Head: 0.36 W/kg
Body: 1.08 W/kg
Simultaneous Transmission: 3.96 W/kg
Wireless Router: 1.09 W/kg
Phablet: 2.49 W/kg

Buyers information

MSRP
$ 500 $ 800
In The Box
18W wall charger, USB type-C cable, SIM eject tool, 3.5 mm earphones, Silicon tips for the earphones, User guide, C to C Data Cable, Ejection Pin

Availability

Officially announced
May 16, 2019 Jan 14, 2021

Alternative variants

with 128 GB storage
Internal storage 128GB
MSRP $ 550
with 256GB storage
Internal storage 256GB
with 512 GB storage
RAM 12GB
Internal storage 512GB
MSRP $ 900
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
2900 MHz
1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU Mali G78 MP14
Weight 5.96 oz (169.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 18, 2020
FCC ID value: A3LSMG991B
Measured SAR Head: 0.42 W/kg
Body: 0.94 W/kg
Simultaneous Transmission: 3.96 W/kg
Wireless Router: 1.34 W/kg
Phablet: 2.37 W/kg
with 256 GB storage
RAM 8GB
Internal storage 256GB
MSRP $ 600
FCC OKs Cingular\'s purchase of AT&T Wireless