Home Phone comparison OnePlus 11 and Samsung Galaxy S21 Ultra - Which is better?

OnePlus 11 vs Samsung Galaxy S21 Ultra

76 out 100
OnePlus 11
VS
67 out 100
Samsung Galaxy S21 Ultra
OnePlus 11
Samsung Galaxy S21 Ultra

Compared 2 smartphones : OnePlus 11 Manufactured in January, 2023, with display 6.7 with chipsetQualcomm Snapdragon 8 Gen 2, vs Samsung Galaxy S21 Ultra, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose OnePlus 11
  • Higher pixel density: 525ppi
  • Lighter design: 205g vs 227g
  • Newer Bluetooth version: 5.3 vs 5.2
  • Includes charger
Reasons to choose Samsung Galaxy S21 Ultra
  • Larger display: 6.8in
  • Supports newer USB: 3.2 vs 2

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 12/256 GB
- 16/256 GB
- 16/512 GB		 - 12/128 GB
- 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB

Review

Key Specs OnePlus 11 and Samsung Galaxy S21 Ultra
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
OnePlus 11
vs
Galaxy S21 Ultra

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.7 in 6.8 in
Resolution 1440x3216 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 525 ppi 515 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes Yes (10-120 Hz)
Max brightness 1300 nits 1500 nits
HDR support Yes Dolby Vision Yes HDR10+
Screen-to-body ratio 89.6 % 89.5 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
OnePlus 11
767 nits
Samsung Galaxy S21 Ultra
1019 nits
sRGB gamut96.9 %n/a
PWM (Flicker)361 Hzn/a
Response time6 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [OnePlus 11], [Samsung Galaxy S21 Ultra]

Design & Build

Design and ergonomics comparison
Height 163.1 mm (6.42 in) 165.1 mm (6.5 in)
Width 74.1 mm (2.92 in) 75.6 mm (2.98 in)
Thickness 8.53 mm (0.34 in) 8.9 mm (0.35 in)
Weight 205 g (7.23 oz) 227 g (8.01 oz)
Water resistance IP64 IP68
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Green		 - Black
- Silver
- Gray
- Blue
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
OnePlus 11
89.6 %
Samsung Galaxy S21 Ultra
89.5 %

Performance

Testing OnePlus 11 and Samsung Galaxy S21 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 2 Samsung Exynos 2100
Max Frequency 3200 MHz 2900 MHz
CPU Cores 8 (1 + 2 + 2 + 3) 8 (1 + 3 + 4)
Architecture - 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)		 - 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
Process TSMC Samsung
Transistor Size 4 nm 5 nm
Neural Processor Hexagon Yes
Graphics Adreno 740 Mali-G78 MP14
GPU Cores 1536 896
GPU Frequency 680 MHz 854 MHz
FLOPS 2089 GFLOPS 1530.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 11
1731
Samsung Galaxy S21 Ultra
1449
Geekbench 6 (Multi-Core)
OnePlus 11
4908
Samsung Galaxy S21 Ultra
3892
Geekbench 6 (Single-Core)17311449
Geekbench 6 (Multi-Core)49083892
Sources: Geekbench v6 [OnePlus 11]
AnTuTu 10
AnTuTu 10
OnePlus 11
1527125
Samsung Galaxy S21 Ultra
843008
CPU376628232358
GPU582337256356
Memory268996163007
UX299164191217
NanoReview Score1527125843008
3DMark Wild Life
3DMark Wild Life
OnePlus 11
12632
Samsung Galaxy S21 Ultra
5221
Max Surface Temp.48.1 °C40.8 °C
Stability64 %69 %
Graphics Test75 fps31 fps
Graphics Score126325221
Sources: 3DMark [OnePlus 11], [Samsung Galaxy S21 Ultra]
PCMark 3.0
PCMark 3.0
OnePlus 11
12445
Samsung Galaxy S21 Ultra
n/a
Writing score16224n/a
Web score10790n/a
Video editing6002n/a
Data manipulation11431n/a
NanoReview Score12445n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB
- 16 GB		 - 12 GB
- 16 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 4266 MHz 2750 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB		- 128 GB
- 256 GB
- 512 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoNo

Software

OS Android 13 (Upgradeable to Android 15) Android 11 (Upgradeable to Android 14)
OS Size 37 GB 26.4 GB
UI Skin OxygenOS 14 One UI 6

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 100 W 25 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (50% in 8 min) Yes (54% in 30 min)
Full Charge Time 0:22 h 1:11 h
Battery Life Test
Battery Life
OnePlus 11
21:26
Samsung Galaxy S21 Ultra
22:05
Web Browsing07:48 h07:58 h
Video Playback14:28 h13:59 h
Games05:12 h05:14 h
Standby Mode102 h111 h

Main camera

Matrix 50 MP 108 MP
Photo resolution 8192x6144 pixels 12000x9000 pixels
Zoom Optical, 2x Optical, 10x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS Up to 24FPS
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 480 fps (720p) 960 fps (720p)
Wide-angle lens 115 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 32 MP
Ultra-wide: 48 MP		 Standard: 108 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP108 MP
Aperturef/1.8f/1.8
Focal length24 mm26 mm
SensorSony IMX890Samsung S5KHM3
Sensor size1/1.561/1.33
Pixel size1 μm0.8 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix32 MP10 MP
Aperturef/2.0f/4.9
Focal length48 mm240 mm
SensorSony IMX709Samsung S5K3J1
Sensor size1/2.741/2.65
Pixel size0.8 μm1.22 μm
StabilizationDigitalOptical
Ultra-wide lens
Matrix48 MP12 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
SensorSony IMX581Sony IMX563
Sensor size1/21/2.55
Pixel size0.8 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
OnePlus 11
134
Samsung Galaxy S21 Ultra
121
Video quality
OnePlus 11
121
Samsung Galaxy S21 Ultra
100
Overall camera score
OnePlus 11
127
Samsung Galaxy S21 Ultra
115
Bokeh6570
Preview6067
Zoom103106
Sources: DxOMark [OnePlus 11], [Samsung Galaxy S21 Ultra]

Front camera

Matrix 16 MP 40 MP
Photo resolution 4608x3456 pixels 7864x5200 pixels
Aperture f/2.4 f/2.2
Focal length 25 mm 26 mm
Sensor Samsung S5K3P9 Samsung S5KGH1
Sensor size 1/3.09 1/2.65
Pixel size 1 μm 0.7 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
OnePlus 11
n/a
Samsung Galaxy S21 Ultra
133
Video quality
OnePlus 11
n/a
Samsung Galaxy S21 Ultra
140

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5.2
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- USB-Host mode
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900GSM 850, 900, 1800, 1900 MHz
3G BandsWCDMA B1, 2, 4, 5, 6, 8, 19WCDMA Band 1, 2, 4, 5, 8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B30/B32/B38/B39/B40/B41/B46/B48/B66/B71)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
LTE category2024
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
OnePlus 11
85.7 dB
Samsung Galaxy S21 Ultra
88 dB

Other

Class Flagship Flagship
Announced January, 2023 yr January, 2021 yr
Release Date January, 2023 yr February, 2021 yr
Launch Price ($) 699 1200
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 100 W n/a

Note

OnePlus 11:

The 128GB version features UFS 3.1 storage, while the other configurations utilize UFS 4.0 storage.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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