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 · 2400x1080px
6.3-inch · 2960x1440px
Triple camera
Single camera
8GB · 128GB
4GB · 64GB
4000 mAh
3430 mAh
Check prices Check prices

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 6.3-inch
Resolution
2400x1080px, 20:9 ratio, 424 PPI 2960x1440px, 18.5:9 ratio, 522 PPI
Technology
Dynamic AMOLED Super AMOLED
Refresh rate
120Hz (adaptive)
Screen-to-body
86.06 % 83.12 %
Peak brightness
1300 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm) Qualcomm Snapdragon 845 SDM845 (10 nm)
Processor
Octa-core
1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
Octa-core
2500 MHz
Kryo 385
GPU
Adreno 660 Adreno 630
RAM
8GB (LPDDR5) 4GB (LPDDR4)
Internal storage
128GB (UFS 3.0) 64GB
Storage expansion
not expandable not expandable
OS
Android (13, 12, 11), Samsung One UI Android (12, 11, 10, 9.0 Pie)

Battery

Capacity
4000 mAh 3430 mAh
Type
Li - Polymer 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
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
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
OIS, EIS, Video calling, Video sharing
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) 8 MP (Dual-Camera, Wide Angle, Autofocus), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2 Type-C, USB 3.1
Hearing aid compatible
M3/T3 M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer Accelerometer, Gyroscope, Compass, Barometer
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 Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation, Video recording Noise cancellation

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), 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) 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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 32(1500 L-band), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
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

Buyers information

MSRP
$ 800 $ 899
In The Box
C to C Data Cable, Ejection Pin Quick Switch Adapter, USB-C to USB-C cable, USB-C 18W Power adapter, Pixel USB-C earbuds, USB-C to 3.5mm headphone adapter, SIM tool, Quick Start Guide

Availability

Officially announced
Jan 14, 2021 Oct 09, 2018

Alternative variants

with 256GB storage
Internal storage 256GB
with 128 GB storage
Internal storage 128GB
MSRP $ 999
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
FCC OKs Cingular\'s purchase of AT&T Wireless