Samsung Galaxy S21 Ultra vs Google Pixel 4 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.

9.1
Samsung Galaxy S21 Ultra
9.0
Google Pixel 4 XL
Samsung Galaxy S21 Ultra Google Pixel 4 XL
Released · Jan 29, 2021
Released · Oct 24, 2019
6.8-inch · 3200x1440px
6.3-inch · 3040x1440px
Quad camera
Dual camera
12GB · 128GB
6GB · 64GB
5000 mAh
3700 mAh
Check prices Check prices

Availability

Officially announced
Jan 14, 2021 Oct 15, 2019
Prices (MSRP)
12GB/128GB - $1200 | €1399 6GB/64GB - $899

Design

Dimensions
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)
6.31 x 2.96 x 0.32 inches
160.4 x 75.1 x 8.2 mm
Weight
8.04 oz / 229.0 g 6.81 oz / 193.0 g
Materials
Back: Glass (Corning Gorilla Glass Victus)
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 3D Face unlock
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom black, Silver Just black, Clearly white, Oh so orange

Display

Size
6.8-inch, 89.33% screen-to-body 6.3-inch, 82.21% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits OLED, 90Hz, HDR
Resolution
3200x1440px, 20:9 ratio, 516 PPI 3040x1440px, 19:9 ratio, 534 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass 5
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.5 (Good) 1.7 (Good)

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Snapdragon 855 SM8150 (7 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Octa-core
Kryo 485
GPU
Adreno 660 Adreno 640
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
6GB (LPDDR4)/64GB
6GB/128GB
Storage expansion
not expandable not expandable
OS
Android (14, 13, 12, 11) Android (12, 11, 10)
PhoneArena Performance Test
GeekBench 6 Single
1117 Untested
GeekBench 6 Multi
3312 Untested
3D Mark High
1963 Untested
3D Mark Low
1179 Untested

Battery

Type
5000 mAh, Li - Polymer 3700 mAh
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
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
4h 53min
Browsing
10h 3min
Video
7h 17min
Gaming
8h 4min

Camera

Rear
Quad camera Dual camera
Main camera
108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
12.2 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 28 mm
Sensor size: 1/2.55"
Pixel size: 1.4 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
16 MP (Telephoto, OIS, PDAF)
Aperture size: F2.4
Focal Length: 45 mm
Pixel size: 1 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
LED Dual LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
OIS, Time-lapse video, EIS
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
8 MP (Time-of-Flight (ToF))
Video capture: 1080p

Connectivity & Features

Bluetooth
5.1 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
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 3.2 Type-C
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, Cell ID, Wi-Fi positioning
Other
NFC, ANT+ NFC

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 aptX-HD

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, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41, 46, 48 38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s) LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Date approved: Sep 03, 2019
FCC ID value: A4RG020J
Measured SAR
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
Head: 1.35 W/kg
Body: 1.18 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.00 W/kg
Phablet: 3.57 W/kg

Alternative variants

with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
with 128 GB storage
Memory 128GB
Prices (MSRP) $999
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
for Europe
4G (FDD) Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71
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