OnePlus 9 Pro vs Samsung Galaxy S21 Ultra: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: OnePlus 9 Pro vs Samsung Galaxy S21 Ultra. The complete information of specifications to decide which to buy.

Compare
OnePlus 9 ProOnePlus 9 ProGlobal · 8GB · 128GB
Samsung Galaxy S21 UltraSamsung Galaxy S21 UltraGlobal · 12GB · 128GB · SM-G998B
Technical data sheets

Basics
OnePlus 9 Pro
OnePlus 9 Pro
Global · 8GB · 128GB
View datasheet
vs
Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra
Global · 12GB · 128GB · SM-G998B
View datasheet
vs

Score
Ki Cost-effective
Score		 8.8 Ki Cost-effective
Score 		8.9 Ki Cost-effective
Score
Design and Screen score 9.4Design & Materials 8.2Design & Materials
Performance and Hardware score 7.9Performance & Hardware 7.6Performance & Hardware
Camera score 8.0Camera 8.7Camera
Connectivity score 8.5 Connectivity 8.4 Connectivity
Battery score 6.3 Battery 8.0 Battery

User reviews
User score
8.9
57 reviews
9.0
79 reviews

Technical specifications of the OnePlus 9 Pro vs Samsung Galaxy S21 Ultra

Specs OnePlus 9 Pro prices OnePlus 9 Pro
Global · 8GB · 128GB 		stores to buy Samsung Galaxy S21 Ultra Samsung Galaxy S21 Ultra
Global · 12GB · 128GB · SM-G998B
Inches 6.7" 6.8"
Resolution WQHD+ WQHD+
Usable surface 89% useful 89% useful
Aspect Ratio 20:9 20:9
Dimensions 73.6 mm
163.2 mm
8.7 mm 		75.6 mm
165.1 mm
8.9 mm
Weight 197 g 227 g
Micro SnapD. 888
Octa-Core 		Exynos 2100
Octa-Core
RAM 8 GB RAM 12 GB RAM
Storage 128 GB 128 GB
AnTuTu 877.600
v10 		749.000
v10
Battery 4500 mAh 5000 mAh
Main Camera 1
48 Mpx · ƒ/1.8
IMX789
2 3 4 		1
108 Mpx · ƒ/1.8
S5KHM3
2 3 4
Selfie Camera SELF 16 Mpx · ƒ/2.4 SELF 44 Mpx · ƒ/2.2
Bands
OS Android 13 Tiramisu Android 14 Upside-down cake

Brand
Brand OnePlus Samsung
Aliases LE2123 SM-G998B

Release Date
Release date March 2021,
3 years ago 		January 2021,
3 years ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

OnePlus 9 Pro
Samsung Galaxy S21 Ultra
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Size
73.6 mm • 163.2 mm • 8.7 mm
See more details
 Print 3D Model
75.6 mm • 165.1 mm • 8.9 mm
See more details
 Print 3D Model
Weight 197 g 227 g
Usable surface 89 % 89 %
Materials Aluminium alloy, Glass Glass, Aluminium
Resistance IP68 IP68
Colors
Black

Silver

Green
Black

Silver

Gray

Brown

Screen
Diagonal 6.7" 6.8"
Type AMOLED AMOLED • Dynamic Amoled 2x
Aspect Ratio 20:9 20:9
Resolution WQHD+
1440 x 3216 px 		WQHD+
1440 x 3200 px
Density 525 Pixels per inch 516 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Refresh rate 120 Hz
  • Variable refresh rate 1 Hz
  • Touch sampling rate 240 Hz
  • Peak brightness - 1300 cd/m²
  • Always-On Display
  • TÜV Rheinland Eye Comfort Certification
  • HDR10+
  • DCI-P3
  • Full sRGB standard
  • 10 Bits panel
  • MEMC
  • Scratch resistant
  • Dual Edge display
  • Corning Gorilla Glass 5
  • 3D curved glass screen
  • Capacitive
  • Multi-touch
  • Frameless
  • LTPO (Low Temperature PolySilicon oxide)
  • Hole-punch Notch
  • Refresh rate 120 Hz
  • Peak brightness - 1500 cd/m²
  • Always-On Display
  • HDR10+
  • Scratch resistant
  • Dual Edge display
  • Corning Gorilla Glass Victus
  • S-Pen
  • Capacitive
  • Multi-touch
  • Frameless
  • LTPO (Low Temperature PolySilicon oxide)

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
8.6
8.4
Do you think it's a nice phone?
9.6
9.5
Is it comfortable?
9.3
8.6
Can you see it well in the sunlight?
9.2
9.2
Number of reviews
57 reviews
79 reviews

Performance & Hardware

Processor
Model Qualcomm Snapdragon 888 Samsung Exynos 2100
CPU 1x Cortex X1 2.84GHz + 3x Cortex A78 2.42GHz + 4x Cortex A55 1.8GHz 1x Cortex-X1 2,91 GHz + 3x Cortex-A78 2,81 GHz + 4x Cortex-A55 2,21 GHz.
Type Octa-Core Octa-Core
Manufacturing 5 nm 5 nm
64 Bits Yes Yes

Graphics
GPU Adreno 660 ARM Mali-G78 MC14

RAM
RAM 8 GB 12 GB
Type RAM LPDDR5 RAM LPDDR5

Antutu
Score
877.600
Antutu v10
Overall performance better than 88% of devices
See more details
749.000
Antutu v10
Overall performance better than 85% of devices
See more details

Storage
Capacity 128 GB 128 GB
Type UFS Storage 3.1 UFS Storage 3.1
SD Slot No No

Security
Fingerprint Yes, in screen Yes, in screen

Sensors
Sensors
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Gravity
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Barometer
  • Hall
  • Geomagnetic

Audio

Audio
  • Dolby Atmos
  • Noise cancellation microphone
  • Stereo Speakers
  • 3 microphones
  • Dolby Atmos
  • Hi-Res Audio
  • Noise cancellation microphone
  • Stereo Speakers

Others
Notifications LED -- --
Cooling system Yes No
Gaming buttons No No

User reviews

Does it have good sound?
9.4
9.5
Does it work smoothly in everyday use?
9.5
9.5
What's your experience been with demanding games?
9.3
9.0
Number of reviews
57 reviews
79 reviews

Camera

Main
No. of cameras Quad rear camera Quad rear camera
1
Camera type

Standard

Standard
Resolution 48 Mpx 108 Mpx
Sensor Sony IMX789 Samsung S5KHM3
Type CMOS ISOCELL
Aperture ƒ/ 1.8 ƒ/ 1.8
ISO -- --
Pixel size 1.12 µm 0.80 µm
Pixel Binning 1-4 (2x2) 1-9 (3x3)
Sensor size 1/1.43" 1/1.33"
2
Camera type

Wide Angle lens

Wide Angle + Macro
Resolution
50 Mpx
12.2 Mpx
Sensor
Sony IMX766
Sony IMX563
Type
CMOS
CMOS
Aperture
ƒ/ 2.2
ƒ/ 2.2
Pixel size
1.00 µm
1.40 µm
Pixel Binning
1-4 (2x2)
--
Sensor size
1/1.56"
1/2.55"
3
Camera type

Telephoto lens

Telephoto + portrait
Resolution
8 Mpx
10 Mpx
Sensor
Omnivision OV08A10
Samsung S5K3J1
Type
PureCel
ISOCELL
Aperture
ƒ/ 2.4
ƒ/ 2.4
Pixel size
1.00 µm
1.22 µm
Pixel Binning
--
--
Sensor size
1/4.4"
1/2.65"
4
Camera type

Black & white

Telephoto lens
Resolution
2 Mpx
10 Mpx
Sensor
Unknown
Samsung S5K3J1
Type
--
ISOCELL
Aperture
ƒ/ 2.4
ƒ/ 4.9
Pixel size
--
1.22 µm
Pixel Binning
--
--
Sensor size
--
1/2.65"

Features
Flash Dual LED LED
Optical Stabilisation Yes Yes
Slow Motion Video Yes,
480 fps 		Yes,
960 fps
Others
  • 4K Video
  • 8K Video
  • Digital zoom
  • Optical zoom
  • Quadruple camera
  • Digital image stabilization
  • Optical Stabilization (OIS)
  • Ultra stable video
  • Autofocus
  • Touch focus
  • Continuous autofocus
  • Manual focus
  • Phase detection autofocus (PDAF)
  • Contrast detection autofocus (CDAF)
  • Laser autofocus (LAF)
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • RAW
  • Night Mode
  • RAW 12 bits
  • 4K Video
  • 8K Video
  • Digital zoom
  • Optical zoom
  • Quadruple camera
  • Digital image stabilization
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Continuous autofocus
  • Manual focus
  • Laser AF
  • Phase detection autofocus (PDAF)
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • RAW
  • Night Mode

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 16 Mpx 44 Mpx
Sensor Sony IMX471 Exmor RS Samsung S5KGH1
Type CMOS ISOCELL
Aperture ƒ/ 2.4 ƒ/ 2.2
Pixel size 0.70 µm 0.70 µm
Pixel Binning 1-4 (2x2) 1-4 (2x2)
Sensor size 1/3.13" 1/2.65"
Others
--
--

DxOMark Score
DxOMark Score
122
Mobile
124
Photo
118
Video
115
Mobile
121
Photo
100
Video
135
Selfie
133
Photo
140
Video

User reviews

Quality of daytime photos
9.4
9.5
Quality of nighttime photos
8.8
8.5
Quality of selfies
8.6
9.2
Does it have a powerful flash?
9.0
9.3
Number of reviews
57 reviews
79 reviews

Connectivity

Network compatibility

5G
  • n1 (2100)
  • n3 (1800)
  • n5 (850)
  • n7 (2600)
  • n8 (900)
  • n20 (800)
  • n28b (700)
  • n28a (700)
  • n38 (2600)
  • n40 (2300)
  • n41 (2500)
  • n66 (1700)
  • n77 (3700)
  • n78 (3500)
  • n1 (2100)
  • n3 (1800)
  • n5 (850)
  • n7 (2600)
  • n8 (900)
  • n20 (800)
  • n28b (700)
  • n28a (700)
  • n38 (2600)
  • n40 (2300)
  • n41 (2500)
  • n66 (1700)
  • n77 (3700)
  • n78 (3500)
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B13 (700)
  • B17 (700)
  • B18 (800)
  • B20 (800)
  • B25 (1900+)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B32 (1500)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B13 (700)
  • B17 (700)
  • B18 (800)
  • B19 (800)
  • B20 (800)
  • B25 (1900+)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B32 (1500)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B9 (1800 Japan)
  • B19 (800)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM

Wi-Fi
Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • WiFi 6 (802.11ax)
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • WiFi 6 (802.11ax)
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi MiMO
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi MiMO

Bluetooth
Version Bluetooth 5.2 LE Low energy consumption Bluetooth 5.2 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • APT-x
  • LDAC
  • SBC
  • AAC
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • LE (Low Energy)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • ANT+
  • APT-x
  • SBC

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS (L1+L5)
  • GLONASS (L1)
  • BeiDou (B1)
  • Galileo (E1+E5a)
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS (L1+L5)
  • Galileo (E1+E5a)

USB
USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • USB Host 3.1
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • USB Host 3.1

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 -- 0.710 W/Kg on head
1.580 W/Kg on body
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 -- --

Others
Others
  • NFC
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • NFC
  • OTA sync
  • Tethering.

User reviews

Does it have good coverage for calls?
9.4
9.2
Quality of the GPS
9.4
9.1
And the WiFi?
9.4
9.3
Number of reviews
57 reviews
79 reviews

Battery

Battery
Capacity
4500 mAh
See more details
5000 mAh
See more details
Type Li-Polymer Li-Polymer
Fast charge Yes,
65.0W 		Yes,
25.0W
Others
  • Wireless charging
  • Reverse charging
  • Non-removable
  • Wireless charging
  • Reverse charging
  • Non-removable

User reviews

How long does the battery last?
  • 2%
    Less than half day
  • 26%
    Less than a day
  • 46%
    One day
  • 26%
    More than one day
  • 0%
    Two days or more
  • 3%
    Less than half day
  • 12%
    Less than a day
  • 42%
    One day
  • 33%
    More than one day
  • 10%
    Two days or more
Number of reviews
57 reviews
79 reviews

Software

Software
Operating System
  • OxygenOS 13 (Android 13)
    Android 13 Tiramisu, 1 year ago
  • Android 14
    Android 14 Upside-down cake, 7 months ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 16%
    It comes with a clean operating system
  • 81%
    It has preinstalled apps but they don't bother me
  • 4%
    It has preinstalled apps that I can't uninstall
  • 3%
    It comes with a clean operating system
  • 82%
    It has preinstalled apps but they don't bother me
  • 16%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 0%
    Never
  • 4%
    Once a year
  • 33%
    Every six months
  • 63%
    Every two months or less
  • 0%
    Never
  • 1%
    Once a year
  • 33%
    Every six months
  • 65%
    Every two months or less
Number of reviews
57 reviews
79 reviews
Prices
From $ 385 --
From $ 293 --

Others

Common comparisons