Samsung Galaxy S21 vs Google Pixel 3 XL 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.

8.5
Samsung Galaxy S21
9.0
Google Pixel 3 XL
Samsung Galaxy S21 Google Pixel 3 XL
Released · Jan 29, 2021
Released · Oct 18, 2018
6.2-inch
6.3-inch
Triple camera
Single camera
8GB · 128GB
4GB · 64GB
4000 mAh
3430 mAh
Check prices Check prices

Availability

Officially announced
Jan 14, 2021 Oct 09, 2018
Prices (MSRP)
$800 $899

Design

Dimensions
5.97 x 2.80 x 0.31 inches
151.7 x 71.2 x 7.9 mm
6.22 x 3.02 x 0.31 inches
158 x 76.7 x 7.9 mm
Weight
6.03 oz (171.0 g) 6.49 oz (184.0 g)
Materials
Back: Plastic
Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom pink, Violet, Gray, White Black, Pink, White

Display

Size
6.2-inch, 86.06% screen-to-body 6.3-inch, 83.12% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1300 nits Super AMOLED, HDR
Resolution
2400x1080px, 20:9 ratio, 424 PPI 2960x1440px, 18.5:9 ratio, 522 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 888 (5 nm) Snapdragon 845 SDM845 (10 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Octa-core
2500 MHz
Kryo 385
GPU
Adreno 660 Adreno 630
Memory
8GB (LPDDR5)/128GB (UFS 3.0)
8GB/256GB
4GB (LPDDR4)/64GB
4GB/128GB
Storage expansion
not expandable not expandable
OS
Android (13, 12, 11) Android (12, 11, 10, 9.0 Pie)

Battery

Type
4000 mAh, Li - Polymer 3430 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
USB Power Delivery
Qi wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
4h 28min
Browsing
7h 47min
Video
7h 36min
Gaming
7h 9min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

Camera

Rear
Triple camera Single camera
Main camera
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.76"
Pixel size: 1.8 μm
12.2 MP (OIS, PDAF, CMOS image sensor)
Aperture size: F1.8
Focal length: 28 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Second camera
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
LED Dual LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
OIS, EIS, Video calling, Video sharing
Front
10 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
8 MP (Dual-Camera, Wide Angle, Autofocus)
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 3.2 Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3 M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo
Other
NFC, ANT+ NFC, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
No 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 Album art cover, Background playback
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 32, 66, 71
4G (TDD) Bands
38, 39, 40, 41, 46, 48 38, 39, 40, 41, 46
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS
Dual SIM
Yes
SIM type
Nano SIM Nano SIM, eSIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Dec 08, 2020
FCC ID value: A3LSMG991U
Date approved: Aug 31, 2018
FCC ID value: A4RG013C
Measured SAR
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
Head: 1.35 W/kg
Body: 1.19 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.35 W/kg
Phablet: 3.48 W/kg

Alternative variants

with 256GB storage
Memory 256GB
with 128 GB storage
Memory 128GB
Prices (MSRP) $999
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
2900 MHz
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz 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
FCC OKs Cingular\'s purchase of AT&T Wireless