Home Phone comparison Xiaomi Mi 11 Ultra and OnePlus 15 - Which is better?

Xiaomi Mi 11 Ultra vs OnePlus 15

69 out 100
Xiaomi Mi 11 Ultra
VS
91 out 100
OnePlus 15
Xiaomi Mi 11 Ultra
OnePlus 15

Compared 2 smartphones : Xiaomi Mi 11 Ultra Manufactured in April, 2021, with display 6.81 with chipsetQualcomm Snapdragon 888, vs OnePlus 15, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite Gen 5. 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 Xiaomi Mi 11 Ultra
  • Larger display: 6.81in
  • Higher pixel density: 515ppi
Reasons to choose OnePlus 15
  • Higher refresh rate: 165Hz
  • Lighter design: 211g vs 234g
  • Higher battery capacity: 7300mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
  • Includes charger

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Mi 11 Ultra and OnePlus 15
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.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Mi 11 Ultra
vs
OnePlus 15

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.81 in 6.78 in
Resolution 1440x3200 pixels 1272x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 515 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 900 nits 1800 nits
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 91.4 % 91.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Mi 11 Ultra
939 nits
OnePlus 15
n/a
sRGB gamut99.8 %n/a
PWM (Flicker)510 Hzn/a
Response time2.8 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi Mi 11 Ultra]

Design & Build

Design and ergonomics comparison
Height 164.3 mm (6.47 in) 161.4 mm (6.35 in)
Width 74.6 mm (2.94 in) 76.7 mm (3.02 in)
Thickness 8.4 mm (0.33 in) 8.1 mm (0.32 in)
Weight 234 g (8.25 oz) 211 g (7.44 oz)
Water resistance IP68 IP69
Cooling system n/a Vapor chamber
Back panel Ceramic Glass
Frame Metal Metal
Colors - White
- Black		 - Black
- Gold
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Mi 11 Ultra
91.4 %
OnePlus 15
91.2 %

Performance

Testing Xiaomi Mi 11 Ultra and OnePlus 15 In benchmarks
Processor
Chipset Qualcomm Snapdragon 888 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2840 MHz 4600 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Kryo 680 Silver (Cortex-A55))
- 3/2.42 (Kryo 680 Gold (Cortex-A78))
- 1/2.84 (Kryo 680 Prime (Cortex-X1))		 6/3.63 ()
Process Samsung TSMC
Transistor Size 5 nm 3 nm
Neural Processor Hexagon 780 Hexagon
Graphics Adreno 660 Adreno 840
GPU Cores 1024 1536
GPU Frequency 840 MHz 1200 MHz
FLOPS 1290.2 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Mi 11 Ultra
1463
OnePlus 15
3726
Geekbench 6 (Multi-Core)
Xiaomi Mi 11 Ultra
3911
OnePlus 15
11199
Geekbench 6 (Single-Core)14633726
Geekbench 6 (Multi-Core)391111199
Geekbench Compute (GPU)n/a27829
Sources: Geekbench v6 [OnePlus 15]
AnTuTu 10
AnTuTu 10
Xiaomi Mi 11 Ultra
923576
OnePlus 15
3434737
CPU246800968935
GPU2602941235307
Memory182528489823
UX233954740672
NanoReview Score9235763434737
3DMark Wild Life
3DMark Wild Life
Xiaomi Mi 11 Ultra
5285
OnePlus 15
n/a
Max Surface Temp.43.1 °Cn/a
Stability91 %n/a
Graphics Test31 fpsn/a
Graphics Score5285n/a
Sources: 3DMark [Xiaomi Mi 11 Ultra]
PCMark 3.0
PCMark 3.0
Xiaomi Mi 11 Ultra
12250
OnePlus 15
n/a
Writing score14672n/a
Web score11015n/a
Video editing7568n/a
Data manipulation9531n/a
NanoReview Score12250n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 2750 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB		256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 11 (Upgradeable to Android 14) Android 16
OS Size 31 GB n/a
UI Skin HyperOS 1.0 OxygenOS 16

Battery

Volume 5000 mAh 7300 mAh
Max Charging Power 67 W 120 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (67 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes, (Wireless)
Fast Charging Yes (90% in 30 min) Yes (50% in 15 min)
Full Charge Time 0:37 h 0:43 h
Battery Life Test
Battery Life
Xiaomi Mi 11 Ultra
17:59
OnePlus 15
n/a
Web Browsing06:28 hn/a
Video Playback11:22 hn/a
Games04:38 hn/a
Standby Mode90 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8700x5800 pixels 8192x6144 pixels
Zoom Optical, 5x Optical, 3.5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS Yes (Up to 30 fps)
4K Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (1080p) n/a
Wide-angle lens 128 ° 116 °
Lenses count Standard: 50 MP
Telephoto: 48 MP
Ultra-wide: 48 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/2.0f/1.8
Focal length24 mm24 mm
SensorSamsung GN2Sony LYTIA-T808
Sensor size1/1.121/1.56
Pixel size1.4 μm1 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix48 MP50 MP
Aperturef/4.1f/2.8
Focal length120 mm85 mm
SensorSony IMX586Samsung S5KJN5
Sensor size1/21/2.76
Pixel size0.8 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix48 MP50 MP
Aperturef/2.2f/2.0
Focal length12 mm15 mm
SensorSony IMX586Samsung S5KJN5
Sensor size1/21/2.76
Pixel size0.8 μm0.64 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi Mi 11 Ultra
139
OnePlus 15
n/a
Video quality
Xiaomi Mi 11 Ultra
138
OnePlus 15
n/a
Overall camera score
Xiaomi Mi 11 Ultra
141
OnePlus 15
n/a
Bokeh75n/a
Preview72n/a
Zoom142n/a
Sources: DxOMark [Xiaomi Mi 11 Ultra]

Front camera

Matrix 20 MP 32 MP
Photo resolution 5380x3620 pixels 6560x4928 pixels
Aperture f/2.3 f/2.4
Focal length 27 mm 21 mm
Sensor Samsung S5K3T2 Sony IMX615
Sensor size 1/3.4 1/2.74
Pixel size 0.8 μm 0.8 μm
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi Mi 11 Ultra
117
OnePlus 15
n/a
Video quality
Xiaomi Mi 11 Ultra
139
OnePlus 15
n/a

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
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 5.2 6.0
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM850 900 1800 MHzn/a
3G BandsWCDMAB1 / B2 / B4 / B5 / B8 / B19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B28/B32/B38/B40/B41/B42/B66)n/a
LTE category24n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos No No
Speaker Test
Max Volume
Xiaomi Mi 11 Ultra
89.5 dB
OnePlus 15
n/a

Other

Class Flagship Flagship
Announced March, 2021 yr October, 2025 yr
Release Date April, 2021 yr October, 2025 yr
Launch Price ($) 1299 n/a
MSRP ($) n/a 899
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 120 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus 15 the clear winner in this comparison.

Survey

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Total Votes: 1

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