Google Pixel XL vs Samsung Galaxy S21 Ultra 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.

9.0
Google Pixel XL
9.1
Samsung Galaxy S21 Ultra
Google Pixel XL Samsung Galaxy S21 Ultra
Released · Oct 20, 2016
Released · Jan 29, 2021
5.5-inch · 2560x1440px
6.8-inch · 3200x1440px
Single camera
Quad camera
4GB · 128GB
12GB · 128GB
3450 mAh
5000 mAh
Check prices Check prices

Availability

Officially announced
Oct 04, 2016 Jan 14, 2021
Prices (MSRP)
$869 $1200 | €1399

Design

Dimensions
6.09 x 2.98 x 0.34 inches
154.72 x 75.74 x 8.6 mm
6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump)
165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
Weight
5.93 oz / 168.0 g 8.04 oz / 229.0 g
Materials
Back: Aluminum, Glass Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Resistance
Splash, Dust; IP53 Water, Dust; IP68
Biometrics
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, Gray, Blue Phantom black, Silver

Display

Size
5.5-inch, 71.22% screen-to-body 6.8-inch, 89.33% screen-to-body
Type
AMOLED Dynamic AMOLED, 120Hz, HDR, 1500 nits
Resolution
2560x1440px, 16:9 ratio, 534 PPI 3200x1440px, 20:9 ratio, 516 PPI
Protection
Corning Gorilla Glass 4 Corning Gorilla Glass Victus
Features
Oleophobic coating
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
2 (Good) 1.5 (Good)

Hardware

System chip
Snapdragon 821 MSM8996 Pro Snapdragon 888 SM8350 (5 nm)
Processor
Quad-core
2150 MHz
Kryo
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
GPU
Adreno 530 Adreno 660
Memory
4GB (LPDDR4)/128GB
4GB/32GB
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
Storage expansion
not expandable not expandable
OS
Android (10, 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat) Android (14, 13, 12, 11)
PhoneArena Performance Test
GeekBench 6 Single
Untested 1117
GeekBench 6 Multi
Untested 3312
3D Mark High
Untested 1963
3D Mark Low
Untested 1179

Battery

Type
3450 mAh, Li - Ion 5000 mAh, Li - Polymer
Charging
USB Power Delivery 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
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min

Camera

Rear
Single camera Quad camera
Main camera
12.3 MP (Laser and PDAF)
Aperture size: F2.0
Sensor size: 1/2.3"
Pixel size: 1.55 μm
108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
10 MP (Telephoto, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Fourth camera
10 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Flash
Dual LED LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
Video calling, Video sharing
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
Front
8 MP
Video capture: 1080p
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
4.2 5.1
WLAN
b,g,n,ac,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 b, g, n, ac
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.0 Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M4/T4 M3/T3
Location
GPS, A-GPS, Glonass GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync NFC, ANT+

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Album art cover, Background playback 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
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, 17, 20, 25, 26, 28, 29, 30 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71
4G (TDD) Bands
41 38, 39, 40, 41, 46, 48
3G Bands
5, 8, 4, 2, 1 1, 2, 4, 5, 8
Data Speed
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS LTE-A Pro Cat 20 (2000/150 Mbit/s)
SIM type
Nano SIM Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Feb 12, 2017
FCC ID value: NM8G-2PW2100
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Measured SAR
Head: 0.89 W/kg
Measured in: 1900 MHz
Body: 0.56 W/kg
Measured in: 1900 MHz
Simultaneous Transmission: 1.15 W/kg
Wireless Router: 0.56 W/kg
Head: 0.77 W/kg
Body: 1.02 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.16 W/kg
Phablet: 3.15 W/kg

Alternative variants

Memory 32GB
Prices (MSRP) $769
with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz Cortex-A55
GPU Mali G78 MP14
Weight 8.01 oz / 227.0 g
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 22, 2020
FCC ID value: A3LSMG998B
Measured SAR Head: 0.16 W/kg
Body: 0.72 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 3.86 W/kg
FCC OKs Cingular\'s purchase of AT&T Wireless