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
Product details 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
Product details Key Differences
Why is OnePlus 9 Pro better than Samsung Galaxy S21 Ultra?
Higher AnTuTu benchmark score: 822238 vs 755462
Higher pixel density: 525 ppi vs 515 ppi
Better display resolution: 1440 x 3216 px vs 1440 x 3200 px
Higher charging speed: 65W vs 25W
Lighter: 197 g vs 229 g
Narrower: 73.6 mm vs 75.6 mm
Shorter: 163.2 mm vs 165.1 mm
Higher wireless charging speed: 65W vs 25W
Why is Samsung Galaxy S21 Ultra better than OnePlus 9 Pro?
Bigger battery capacity: 5000 mAh vs 4500 mAh
More RAM memory capacity: 12GB, 16GB vs 8GB, 12GB
More megapixels main camera: 108 MP & 12 MP & 10 MP & 10 MP vs 50 MP & 48 MP & 8 MP & 2 MP
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
The phone is 8 months newer
Has a larger display diagonal: 6.8" vs 6.7"
More megapixels front camera: 40MP vs 16MP
More internal storage: 128GB, 256GB, 512GB vs 128GB, 256GB
More color options: Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy vs Morning Mist, Forest Green, Stellar Black
Size Comparison
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Height
163.2 mm
Width
73.6 mm
Thickness
8.7 mm
Screen size
6.7"
Weight
197 g
6.7"
6.8"
Height
165.1 mm
Width
75.6 mm
Thickness
8.9 mm
Screen size
6.8"
Weight
229 g
Height
163.2 mm
Width
73.6 mm
Thickness
8.7 mm
Screen size
6.7"
Weight
197 g
Height
165.1 mm
Width
75.6 mm
Thickness
8.9 mm
Screen size
6.8"
Weight
229 g
3D comparison
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Expert Score
Score 4.2
OnePlus 9 Pro
Score 4.3
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
822238 +8.84%
Samsung Galaxy S21 Ultra
755462
3DMark Wild Life benchmark
OnePlus 9 Pro
5707 +9.31%
Samsung Galaxy S21 Ultra
5221
3DMark Wild Life Unlimited benchmark
OnePlus 9 Pro
5738 +4.73%
Samsung Galaxy S21 Ultra
5479
Geekbench 5 · Multi-Core
OnePlus 9 Pro
3220
Samsung Galaxy S21 Ultra
3723 +15.62%
Geekbench 5 · Single-Core
OnePlus 9 Pro
979
Samsung Galaxy S21 Ultra
1096 +11.95%
Price Comparison
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Price in USA From $ 350
From $ 244
Price in Europe From € 189
-
Price in India From ₹ 24,000
-
Comparison videos
800,000+ views
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OnePlus 9 Pro vs Samsung Galaxy S21 Ultra SPEED TEST!
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OnePlus 9 Pro versus Samsung Galaxy S21 Ultra camera comparison
About Products
OnePlus 9 Pro
The OnePlus 9 Pro is a flagship powerhouse, designed for users who seek top-tier performance and photography. Featuring a 6.7-inch Fluid AMOLED display with a 120Hz refresh rate, it delivers ultra-smooth visuals and vibrant colors, making it ideal for gaming and media consumption. Powered by the Snapdragon 888 processor and up to 12GB of RAM, the OnePlus 9 Pro ensures blazing-fast performance and seamless multitasking.
One of its standout features is the Hasselblad partnership, which brings professional-grade camera performance with a 48MP primary sensor, 50MP ultra-wide, and 8MP telephoto lens. Whether it's low light, ultra-wide shots, or portraits, the OnePlus 9 Pro delivers stunning photography results. Its 4,500mAh battery supports 65W fast charging and 50W wireless charging, keeping you powered throughout the day. With a sleek design, top-notch display, and powerful cameras, the OnePlus 9 Pro is a premium choice for tech enthusiasts.
Samsung Galaxy S21 Ultra
The Samsung Galaxy S21 Ultra is a flagship powerhouse, designed for those who seek top-tier performance and innovation. Featuring a stunning 6.8-inch Dynamic AMOLED 2X display with a 120Hz refresh rate, it delivers vibrant visuals and smooth scrolling. The Exynos 2100 (or Snapdragon 888) processor ensures lightning-fast performance and seamless multitasking.
Its advanced quad-camera system includes a 108MP main sensor, dual telephoto lenses, and a 12MP ultra-wide, enabling incredible photography with up to 100x Space Zoom. The 40MP front camera ensures detailed selfies. With its massive 5000mAh battery, S Pen support, and 5G connectivity, the S21 Ultra is a feature-rich device, perfect for enthusiasts and professionals looking for the best in smartphone technology.
Specs
Show differences
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Specs
OnePlus 9 Pro
Samsung Galaxy S21 Ultra
Design
Weight
197 g
229 g
Thickness
8.7 mm
8.9 mm
Width
73.6 mm
75.6 mm
Height
163.2 mm
165.1 mm
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
✔
-
Vote for Your option
OnePlus 9 Pro
Vote for Your option
Samsung Galaxy S21 Ultra
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