Xiaomi Mi 11 Ultra vs OnePlus 9 Pro

Here we compared two flagship smartphones: the 6.81-inch Xiaomi Mi 11 Ultra (with Qualcomm Snapdragon 888) that was released on March 29, 2021, against the OnePlus 9 Pro, which is powered by the same chip. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Mi 11 Ultra
  • Better camera quality (According to DxOMark rating)
  • The rear camera has a 5x optical zoom
  • Slow-motion recording at 1920FPS
  • Comes with 500 mAh larger battery capacity: 5000 vs 4500 mAh
  • 12% better performance in AnTuTu Benchmark (772K versus 688K)
  • Delivers 9% higher peak brightness (941 against 866 nits)
  • Has a built-in infrared port
Reasons to consider the OnePlus 9 Pro
  • Shows 25% longer battery life (31:52 vs 25:28 hours)
  • More recent OS version: Android 13 versus 12
  • Weighs 37 grams less
  • Ready for eSIM technology

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type AMOLED AMOLED
Size 6.81 inches 6.7 inches
Resolution 1440 x 3200 pixels 1440 x 3216 pixels
Aspect ratio 20:9 20:9
PPI 515 ppi 525 ppi
Refresh rate 120 Hz 120 Hz
Max rated brightness 900 nits 500 nits
Max rated brightness in HDR 1500 nits 1300 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Corning Gorilla Glass 5
Screen-to-body ratio 91.4% 90.3%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 99.8% 97.8%
PWM 510 Hz 192 Hz
Response time 2.8 ms 41.5 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
941 nits
866 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 164.3 mm (6.47 inches) 163.2 mm (6.43 inches)
Width 74.6 mm (2.94 inches) 73.6 mm (2.9 inches)
Thickness 8.4 mm (0.33 inches) 8.7 mm (0.34 inches)
Weight 234 gramm (8.25 oz) 197 gramm (6.95 oz)
Waterproof IP68 IP68
Rear material Ceramic Glass
Frame material Metal Metal
Colors White, Black White, Black, Green
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
91.4%
90.3%

Performance

Tests of Xiaomi Mi 11 Ultra and OnePlus 9 Pro in the benchmarks
SoC
Chipset Qualcomm Snapdragon 888 Qualcomm Snapdragon 888
Max. clock 2840 MHz 2840 MHz
CPU cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4 cores at 1.8 GHz: Kryo 680 Silver (Cortex-A55)
- 3 cores at 2.42 GHz: Kryo 680 Gold (Cortex-A78)
- 1 core at 2.84 GHz: Kryo 680 Prime (Cortex-X1)
- 4 cores at 1.8 GHz: Kryo 680 Silver (Cortex-A55)
- 3 cores at 2.42 GHz: Kryo 680 Gold (Cortex-A78)
- 1 core at 2.84 GHz: Kryo 680 Prime (Cortex-X1)
L3 cache 4 MB 4 MB
Lithography process 5 nanometers 5 nanometers
Graphics Adreno 660 Adreno 660
GPU clock 840 MHz 840 MHz
FLOPS ~1720 GFLOPS ~1720 GFLOPS
Memory
RAM size 8, 12 GB 8, 12 GB
Memory type LPDDR5 LPDDR5
Memory clock 2750 MHz 2750 MHz
Channels 2 4
Storage
Storage size 128, 256, 512 GB 128, 256 GB
Storage type UFS 3.1 UFS 3.1
Memory card No No

Benchmarks

Geekbench 5 (Single-Core)
1122
Geekbench 5 (Multi-Core)
9 Pro +4%
3611
AnTuTu Benchmark 9
772555
688584
CPU 198271 157992
GPU 290845 287397
Memory 131669 120016
UX 151935 127958
Total score 772555 688584
3DMark Wild Life Performance
9 Pro +8%
5713
Stability 91% 57%
Graphics test 31 FPS 34 FPS
Graphics score 5308 5713
PCMark 3.0 score 13096 11955
AnTuTu Benchmark Smartphone Scores (102nd and 152nd place)
Sources: 3DMark [3], [4]

Software

Operating system Android 11 (Can be upgraded to Android 12) Android 11 (Can be upgraded to Android 13)
ROM MIUI 13 OxygenOS 13
OS size 31 GB 16 GB

Battery

Specifications
Capacity 5000 mAh 4500 mAh
Charge power 67 W 65 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging Yes (67 W) Yes (50 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Fast charging Yes (90% in 30 min) Yes (100% in 32 min)
Full charging time 0:37 hr 0:32 hr
Battery life tests
Web browsing 08:18 hr 11:28 hr
Watching video 12:44 hr 12:04 hr
Gaming 04:46 hr 05:10 hr
Standby 79 hr 113 hr
General battery life
25:28 hr
9 Pro +25%
31:52 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 50 megapixels 48 megapixels
Image resolution 8700 x 5800 8000 x 6000
Zoom Optical, 5x Optical, 3.3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 24FPS Up to 30FPS
4K video recording Up to 60FPS Up to 120FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 1920 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 128° 140°
Lenses 3 (50 MP + 48 MP + 48 MP) 4 (48 MP + 8 MP + 50 MP + 2 MP)
Wide (main) lens - 50 MP
- Aperture: f/2.0
- Focal length: 24 mm
- Pixel size: 1.4 micron
- Sensor: 1/1.12", Samsung GN2 (ISOCELL Plus CMOS)
- Laser autofocus
- Optical stabilization
- 48 MP
- Aperture: f/1.8
- Focal length: 23 mm
- Pixel size: 1.12 micron
- Sensor: 1/1.43", Sony IMX789 (Exmor-RS CMOS)
- Laser autofocus
- Optical stabilization
Telephoto lens - 48 MP
- Aperture: f/4.1
- Focal length: 120 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX586 (Exmor-RS CMOS)
- Phase autofocus
- Optical stabilization
- 8 MP
- Aperture: f/2.4
- Focal length: 77 mm
- Pixel size: 1 micron
- Sensor: 1/4.4", Omnivision OV08A10
- Phase autofocus
- Optical stabilization
Ultra-wide lens - 48 MP
- Aperture: f/2.2
- Focal length: 12 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX586 (Exmor-RS CMOS)
- Phase autofocus
- 50 MP
- Aperture: f/1.8
- Focal length: 14 mm
- Pixel size: 1 micron
- Sensor: 1/1.56", Sony IMX766 (Exmor-RS CMOS)
- Phase autofocus
Depth lens - - 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Samples Photo samples of Xiaomi Mi 11 Ultra from DxOMark Photo samples of OnePlus 9 Pro from DxOMark
Selfie camera
Megapixels 20 megapixels 16 megapixels
Image resolution 5380 x 3620 4920 x 3264
Aperture f/2.3 f/2.0
Focal length 27 mm -
Pixel size 0.8 microns 1 microns
Sensor type ISOCELL CMOS Exmor-RS CMOS
Sensor size 1/3.4" 1/3.06"
Video resolution 1080p (Full HD) at 60 FPS 1080p (Full HD) at 30 FPS

DxOMark camera tests

Photo quality
139
129
Video quality
138
108
Generic camera score
141
124

Connectivity

Wi-Fi standard Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (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 Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.2
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, SBAS
NFC* Yes Yes
Infrared port Yes No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No Yes
Hybrid slot No No
LTE Cat* 24 24
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos - Yes
Speakers test
Max. loudness
89.5 dB
81.1 dB

Other

Category Flagship Flagship
Announced March 2021 March 2021
Release date April 2021 March 2021
SAR (head) - 0.99 W/kg
SAR (body) - 1.21 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the software, battery life, and connectivity are more important to you, then choose the OnePlus 9 Pro. But if the camera is more of a priority – go for the Xiaomi Mi 11 Ultra.

Cast your vote

So, which phone would you choose?
331 (61.6%)
206 (38.4%)
Total votes: 537

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