Xiaomi 18 Pro vs OnePlus 15

92 out of 100
Xiaomi 18 Pro
VS
93 out of 100
OnePlus 15

Here we compared two flagship smartphones: the 6.4-inch Xiaomi 18 Pro (with Qualcomm Snapdragon 8 Elite Gen 6) that was released on September 23, 2026, against the OnePlus 15, which is powered by Qualcomm Snapdragon 8 Elite Gen 5 and came out 11 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi 18 Pro
  • Slow-motion recording at 1920FPS
  • 22% better performance in AnTuTu Benchmark (4888K versus 4008K)
  • More recent OS version: Android 17 versus 16
  • Supports Dolby Atmos sound technology
Reasons to consider the OnePlus 15
  • Higher display refresh rate – 165 Hz
  • The rear camera has a 3.5x optical zoom
  • Waterproof body (IP69 classification)
  • Has a 0.38 inch larger screen size
  • Supports higher wattage charging (120W versus 100W)
  • Ready for eSIM technology

Review

Evaluation of Xiaomi 18 Pro and OnePlus 15 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
94*
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
93*
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
92*
Select your primary usage scenario to get a more accurate NanoReview Score
πŸ“± Primary usage:

Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
12 / 256 GB
VS
12 / 256 GB
49.3
(Average)
Value Index
66.9
(Good)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type AMOLED AMOLED
Size 6.4 inches 6.78 inches
Resolution 1120 x 2436 pixels 1272 x 2772 pixels
Aspect ratio 19.5:9 19.5:9
PPI 419 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max rated brightness 1200 nits 1800 nits
Max rated brightness in HDR 4000 nits 6000 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 300 Hz 330 Hz
Screen protection Dragon Crystal Glass 3 Gorilla Glass Victus 2
Screen-to-body ratio 92% 91.2%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space - 99.9%
PWM - 120 Hz
Response time - 3 ms
Contrast - ∞ Infinity
Screen space comparison
OnePlus 15
6.78β€³ (19.5:9 ratio) = 17.5 in2
18 Pro
6.4β€³ (19.5:9 ratio) = 15.6 in2
~12% more screen space
Peak brightness test (auto)
n/a
3365 nits
Sources: NotebookCheck [3]

Design and build

Height 151.8 mm (5.98 inches) 161.42 mm (6.36 inches)
Width 72 mm (2.83 inches) 76.67 mm (3.02 inches)
Thickness 8.46 mm (0.33 inches) 8.1 mm (0.32 inches)
Weight 203 g (7.16 oz) 211 g (7.44 oz)
Waterproof IP68 IP69
Advanced cooling Vapor chamber Vapor chamber
Rear material Plastic Glass
Frame material Metal Metal
Colors White, Black, Blue, Red, Pink Black, Gold, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Repairability - Good (3.69/5)
Drop resistance - Good (C) Β· 90 drops
Screen-to-body ratio
18 Pro +1%
92%
91.2%

Performance

Chipset specifications of Xiaomi 18 Pro and OnePlus 15
SoC
Chipset Qualcomm Snapdragon 8 Elite Gen 6 Qualcomm Snapdragon 8 Elite Gen 5
Max clock 5010 MHz 4600 MHz
CPU cores 8 (2 + 3 + 3) 8 (2 + 6)
Architecture - 3 cores at 3.74 GHz:
- 3 cores at 4.03 GHz:
- 2 cores at 5.01 GHz:
- 6 cores at 3.63 GHz: Oryon Gen 3 Performance
- 2 cores at 4.74 GHz: Oryon Gen 3 Prime
L3 cache - 12 MB
Manufacturing TSMC TSMC
Lithography process 2 nanometers 3 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 845 Adreno 840
GPU shading units 1536 1536
GPU clock - 1300 MHz
FLOPS - ~3993.6 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi 18 Pro and OnePlus 15
Geekbench 6 (Single-Core)
18 Pro +7%
3866
3607
Geekbench 6 (Multi-Core)
18 Pro +4%
11140
10732
Compute Score (GPU)
n/a
24461
Compute Score (GPU) - 24461
Single-core score 3866 3607
Multi-core score 11140 10732
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
18 Pro +22%
4888150
4008294
CPU 1365000 1184036
GPU 1783000 1490867
Memory 662300 402813
UX 1047850 930578
Total score 4888150 4008294
Samples Less than 3 [45 tests]
3DMark Steel Nomad Light
n/a
2699
Stability - 78%
Graphics test - 20 FPS
Graphics score - 2699
3DMark Solar Bay
n/a
12540
Graphics test - 48 FPS
Section 1 - 56 FPS
Section 2 - 47 FPS
Section 3 - 39 FPS
Graphics score - 12540
Sources: 3DMark [5]
PCMark 3.0
n/a
15658
Web score - 15531
Video editing - 6678
Photo editing - 26644
Data manipulation - 14971
Writing score - 20874
AnTuTu 11 Ranking List (4th and 21st place)

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi 18 Pro
No benchmark results yet
OnePlus 15
DateBenchmarkResult
πŸ“˜ 2026-09-08 -> aleshkaAnTuTu 123914618
πŸ“˜ 2026-09-05 (Mehdi)AnTuTu 113651261
πŸ“˜ 2026-08-24 -> Ang3L4DAnTuTu 114057387
πŸ“˜ 2026-08-15 (YurOk)AnTuTu 113870500
πŸ“˜ 2026-08-07 (@zokhidjonovch)AnTuTu 114470263

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock - 5333 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.1 UFS 4.1
Memory card No No

Software

Operating system Android 17 Android 16
ROM HyperOS 4 OxygenOS 16
OS size - 26 GB
OS updates 6 years 4 years
Security updates 6 years 6 years

Battery

Capacity 7000 mAh 7300 mAh
Max charge power 100 W 120 W
Battery type Silicon-Carbon (Si/C) Silicon-Carbon (Si/C)
Replaceable No No
Wireless charging Yes (50 W) Yes (50 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging Yes Yes
Fast charging Yes Yes (50% in 15 min)
Full charging time - 0:43 hr
Battery cycles - 1100 cycles
Battery life tests
Web browsing - 18:32 hr
Watching video - 28:44 hr
Gaming - 10:01 hr
Standby - 139 hr
General battery life
n/a
39:14 hr

Main camera

Matrix 200 megapixels 50 megapixels
Image resolution - 8192 x 6144
Zoom Optical, 3.2x Optical, 3.5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 30FPS Up to 30FPS
4K video recording Up to 120FPS Up to 120FPS
1080p video recording Up to 60FPS Up to 120FPS
Slow motion 1920 FPS (720p) 480 FPS (720p)
Angle of widest lens 102Β° 116Β°
Lenses 1) Standard: 200 MP
2) Telephoto: 200 MP
3) Ultrawide: 50 MP
1) Standard: 50 MP
2) Telephoto: 50 MP
3) Ultrawide: 50 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 200 MP 50 MP
Aperture f/1.7 f/1.8
Focal length 23 mm 24 mm
Sensor - Sony IMX906
Sensor size 1/1.28" (β‰ˆ 0.78 inch) 1/1.56" (β‰ˆ 0.64 inch)
Pixel size 0.61 micron 1 micron
Autofocus Laser autofocus Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 200 MP 50 MP
Aperture f/2.4 f/2.8
Focal length 75 mm 85 mm
Sensor Samsung ISOCELL HP5 Samsung S5KJN5
Sensor size 1/1.56" (β‰ˆ 0.64 inch) 1/2.76" (β‰ˆ 0.36 inch)
Pixel size 0.8 micron 0.64 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 50 MP 50 MP
Aperture f/2.4 f/2.0
Focal length 17 mm 16 mm
Sensor OmniVision OV50M40 OmniVision OV50D
Sensor size 1/2.88" (β‰ˆ 0.35 inch) 1/2.88" (β‰ˆ 0.35 inch)
Pixel size 0.61 micron 0.612 micron
Stabilization Digital Digital

Selfie camera

Megapixels 50 megapixels 32 megapixels
Image resolution 8192 x 6144 6560 x 4928
Aperture f/2.2 f/2.4
Focal length 21 mm 21 mm
Sensor OmniVision OV50M40 Sony IMX709
Sensor size 1/2.88" (β‰ˆ 0.35 inch) 1/2.74" (β‰ˆ 0.36 inch)
Pixel size 0.61 micron 0.64 micron
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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 6.0 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort Yes Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC* Yes Yes
Infrared port Yes Yes
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
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes No
Speakers test
Max loudness
n/a
80.4 dB

Other

Category Flagship Flagship
Announced September 2026 October 2025
Release date September 2026 October 2025
Launch price (MSRP) $999 $899
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 100 W Not included
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the battery life and design are more important to you, then choose the OnePlus 15. But if the sound is more of a priority – go for the Xiaomi 18 Pro.

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