OnePlus 9 Pro vs Samsung Galaxy S21 Ultra
Short Description
OnePlus 9 Pro
Screen size: 6.7" / Resolution: 1440 x 3216 px / Main camera: 50 MP & 48 MP & 8 MP & 2 MP / Front camera: 16MP / RAM: 8GB, 12GB / Battery power: 4500 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB / SIM cards: 2 SIM
Samsung Galaxy S21 Ultra
Screen size: 6.8" / Resolution: 1440 x 3200 px / Main camera: 108 MP & 12 MP & 10 MP & 10 MP / Front camera: 40MP / RAM: 12GB, 16GB / Battery power: 5000 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB, 512GB / SIM cards: 1 SIM, 1 eSIM
Key Differences
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
How is OnePlus 9 Pro better than Samsung Galaxy S21 Ultra?
AnTuTu score is about 14% higher
Better display resolution: 1440 x 3216 px vs 1440 x 3200 px
Higher charging speed: 65W vs 25W
Lighter: 197 g (6.95 ounces) vs 229 g (8.08 ounces)
Narrower: 73.6 mm (2.9 inches) vs 75.6 mm (2.98 inches)
Shorter: 163.2 mm (6.43 inches) vs 165.1 mm (6.5 inches)
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
How is Samsung Galaxy S21 Ultra better than OnePlus 9 Pro?
Bigger battery capacity: 5000 mAh vs 4500 mAh
Faster CPU speed: 1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz vs 1 x 2.84 GHz & 3 x 2.42 GHz & 4 x 1.8 GHz
More RAM memory capacity in max option: 12GB, 16GB vs 8GB, 12GB
More internal storage in max option: 128GB, 256GB, 512GB vs 128GB, 256GB
More megapixels main camera: 108 MP & 12 MP & 10 MP & 10 MP vs 50 MP & 48 MP & 8 MP & 2 MP
More megapixels front camera: 40MP vs 16MP
Has a larger display diagonal: 6.8" vs 6.7"
More color options: Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy vs Morning Mist, Forest Green, Stellar Black
The phone is 8 months newer
Size Comparison
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Height
163.2 mm
(6.43 inches)
Width
73.6 mm
(2.9 inches)
Thickness
8.7 mm
(0.34 inches)
Screen size
6.7"
Weight
197 g
(6.95 ounces)
6.7"
6.8"
Height
165.1 mm
(6.5 inches)
Width
75.6 mm
(2.98 inches)
Thickness
8.9 mm
(0.35 inches)
Screen size
6.8"
Weight
229 g
(8.08 ounces)
Height
163.2 mm
(6.43 inches)
Width
73.6 mm
(2.9 inches)
Thickness
8.7 mm
(0.34 inches)
Screen size
6.7"
Weight
197 g
(6.95 ounces)
Height
165.1 mm
(6.5 inches)
Width
75.6 mm
(2.98 inches)
Thickness
8.9 mm
(0.35 inches)
Screen size
6.8"
Weight
229 g
(8.08 ounces)
3D comparison
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Expert Score
Score 4.2
Score 4.3
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Score 4.2
Score 4.3
TechRadar
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
IGN
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Tom's Guide
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Tech Advisor
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
PCMag
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
The Verge
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Smartprix
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Vote for Your option
OnePlus 9 Pro
Vote for Your option
Samsung Galaxy S21 Ultra
Benchmarks
AnTuTu Score
OnePlus 9 Pro
962,268 +14.15%
Samsung Galaxy S21 Ultra
843,008
The score reflects a device's overall performance by summing up results from tests of RAM speed, CPU, and 2D/3D graphics.
CPU
OnePlus 9 Pro
259,123 +11.52%
Samsung Galaxy S21 Ultra
232,358
Measures the performance of a device's processor, focusing on tasks such as computing power and multi-core efficiency.
GPU
OnePlus 9 Pro
302,680 +18.07%
Samsung Galaxy S21 Ultra
256,356
Measures the graphical performance of a device's GPU, evaluating its ability to handle graphics-intensive tasks such as gaming and rendering.
Memory
OnePlus 9 Pro
174,575 +7.1%
Samsung Galaxy S21 Ultra
163,007
Measures the performance of a device's memory (RAM), measuring its speed and efficiency in handling multitasking and data-intensive applications.
UX
OnePlus 9 Pro
222,890 +16.56%
Samsung Galaxy S21 Ultra
191,217
Measures the overall user experience performance of a device, including factors like system responsiveness, touch sensitivity, and app launching speed.
Geekbench 5 · Multi-Core
OnePlus 9 Pro
3,220
Samsung Galaxy S21 Ultra
3,723 +15.62%
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing in Geekbench 5.
Geekbench 5 · Single-Core
OnePlus 9 Pro
979
Samsung Galaxy S21 Ultra
1,096 +11.95%
Measures the performance of a single processor core in a device, evaluating its efficiency in handling single-threaded tasks in Geekbench 5.
Battery Performance
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Battery Life
Charging timeComparison videos
800,000+ views
OnePlus 9 Pro vs Samsung Galaxy S21 Ultra - Which should you buy?
300,000+ views
OnePlus 9 Pro vs Samsung Galaxy S21 Ultra - Which Should You Buy?
60,000+ views
OnePlus 9 Pro vs Samsung Galaxy S21 Ultra SPEED TEST!
50,000+ views
OnePlus 9 Pro vs Samsung Galaxy S21 Ultra: Is Samsung still the best?
Technical Specifications
Show differences
Show differences
Specs
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Design
Weight
197 g (6.95 ounces)
229 g (8.08 ounces)
Thickness
8.7 mm (0.34 inches)
8.9 mm (0.35 inches)
Width
73.6 mm (2.9 inches)
75.6 mm (2.98 inches)
Height
163.2 mm (6.43 inches)
165.1 mm (6.5 inches)
Is weather-sealed (splashproof)
✔
✔
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
6 m
1.5 m
Volume
104.5 cm³
111.09 cm³
Is dustproof and water-resistant
✔
✔
Color options
Morning Mist, Forest Green, Stellar Black
Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
French Repairability Index
6.8
8.2
Display
Screen size
6.7"
6.8"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
525 ppi
515 ppi
Resolution
1440 x 3216 px
1440 x 3200 px
Refresh rate
120Hz
120Hz
Brightness (typical)
1300 nits
1500 nits
Has branded damage-resistant glass
✔
✔
Gorilla Glass version
Gorilla Glass 5
Gorilla Glass Victus
Supports HDR10
✔
✔
Supports HDR10+
✔
✔
Always-On Display
✔
✔
Contrast ratio
-
3000000:1
Has a curved display
✔
✔
Has a touch screen
✔
✔
Performance
Internal storage
128GB, 256GB
128GB, 256GB, 512GB
RAM
8GB, 12GB
12GB, 16GB
Android version
Android 11
Android 14
CPU speed
1 x 2.84 GHz & 3 x 2.42 GHz & 4 x 1.8 GHz
1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz
Has integrated LTE
✔
✔
RAM speed
3200 MHz
3200 MHz
Semiconductor size
5 nm
5 nm
Supports 64-bit
✔
✔
DirectX version
DirectX 12
DirectX 12
Has integrated graphics
✔
✔
OpenGL ES version
3.2
3.2
Uses big.LITTLE technology
✔
✔
CPU threads
8 threads
8 threads
Uses HMP
-
✔
Has TrustZone
✔
✔
Maximum memory bandwidth
51.2 GB/s
51.2 GB/s
OpenCL version
2
2
L2 cache
1 MB
-
DDR memory version
5
5
Maximum memory amount
16GB
16GB
L3 cache
3 MB
-
GPU execution units
2
-
Thermal Design Power (TDP)
10W
9W
Release date
2021
2021
Has NX bit
✔
✔
L1 cache
512 KB
-
GPU turbo
840 MHz
854 MHz
Memory channels
-
4
Cameras
Main camera
50 MP & 48 MP & 8 MP & 2 MP
108 MP & 12 MP & 10 MP & 10 MP
Front camera
16MP
40MP
Has built-in optical image stabilization
✔
✔
Video recording (main camera)
4320 x 30 fps
4320 x 24 fps
Wide aperture (main camera)
f/2.2 & f/1.8 & f/2.4 & f/2.4
f/1.8 & f/2.2 & f/4.9 & f/2.4
Has a dual-tone LED flash
✔
✔
Has a BSI sensor
-
✔
Has continuous autofocus when recording movies
✔
✔
Has phase-detection autofocus for photos
✔
✔
Supports slow-motion video recording
✔
✔
Has a built-in HDR mode
✔
✔
Has a flash
✔
✔
Has manual exposure
✔
✔
Has a dual-lens (or multi-lens) main camera
✔
✔
Optical zoom
3.3x
10x
Number of flash LEDs
2
2
Has a CMOS sensor
✔
✔
Has manual ISO
✔
✔
Has a serial shot mode
✔
✔
Has manual focus
✔
✔
Has a front camera
✔
✔
Has laser autofocus
✔
✔
Has manual white balance
✔
✔
Shoots raw
✔
✔
Has touch autofocus
✔
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.4
f/2.2
Has timelapse function
✔
✔
Shoots 360° panorama
✔
-
Operating system
Has clipboard warnings
-
✔
Has location privacy options
-
✔
Has camera/microphone privacy options
-
✔
Has theme customization
✔
✔
Can play games while they download
-
✔
Has dark mode
✔
✔
Has Wi-Fi password sharing
✔
✔
Has battery health check
-
✔
Has an extra dim mode
-
✔
Has focus modes
✔
✔
Has dynamic theming
-
✔
Can offload apps
-
✔
Has customizable notifications
✔
✔
Has scrolling screenshots
-
✔
Supports split screen
✔
✔
Supports instant markup
✔
✔
Supports PiP and PaP
✔
✔
Can be used as a PC
-
✔
Has sharing intents
✔
✔
Has a child lock
✔
✔
Is free and open source
✔
✔
Tracks the current position of a mobile device
✔
✔
Is a multi-user system
✔
✔
Supports widgets
✔
✔
More languages supported
125
125
Has offline voice recognition
✔
✔
The browser has word wrap
✔
✔
Has voice commands
✔
✔
Battery
Battery power
4500 mAh
5000 mAh
Has wireless charging
✔
✔
Supports fast charging
✔
✔
Charging speed
65W
25W
Wireless charging speed
50W
15W
Has reverse wireless charging
✔
✔
Reverse wireless charging speed
-
4.5W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Battery life
-
35.5 hours
Audio
Has stereo speakers
✔
✔
Has LDAC
✔
-
Has aptX
✔
✔
Number of microphones
3
2
Has a radio
✔
-
Features
Has 5G support
✔
✔
Wi-Fi version
Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Download speed
7500 MBits/s
3000 MBits/s
Upload speed
3000 MBits/s
422 MBits/s
Has USB Type-C
✔
✔
USB version
3.1
3.2
Has NFC
✔
✔
SIM cards
2 SIM
1 SIM, 1 eSIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.2
5.2
Has a gyroscope
✔
✔
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Has a barometer
-
✔
Supports Galileo
✔
✔
Has an infrared sensor
✔
-
Has an accelerometer
✔
✔
Supports ant+
✔
✔
Head SAR (eu)
-
0.71W/kg
Is DLNA-certified
✔
-
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
OnePlus 9 Pro
Vote for Your option
Samsung Galaxy S21 Ultra
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