Home Phone comparison OnePlus 9RT and Xiaomi 15T - Which is better?

OnePlus 9RT vs Xiaomi 15T

62 out 100
OnePlus 9RT
VS
82 out 100
Xiaomi 15T
OnePlus 9RT
Xiaomi 15T

Compared 2 smartphones : OnePlus 9RT Manufactured in October, 2021, with display 6.62 with chipsetQualcomm Snapdragon 888 5G, vs Xiaomi 15T, Manufactured in September, 2025 with chipsetMediaTek Dimensity 8400 Ultra. 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 9RT
  • Includes charger
Reasons to choose Xiaomi 15T
  • Larger display: 6.83in
  • Higher pixel density: 447ppi
  • Lighter design: 194g vs 198.5g
  • Higher battery capacity: 5500mAh vs 4500mAh
  • Newer Bluetooth version: 6.0 vs 5.2
  • Infrared port
  • Built-in eSIM

Versions

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

Review

Key Specs OnePlus 9RT and Xiaomi 15T
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 9RT
vs
Xiaomi 15T

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.62 in 6.83 in
Resolution 1080x2400 pixels 1280x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 397 ppi 447 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 500 nits n/a
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate 600 Hz 480 Hz
Screen-to-body ratio 87.4 % 89.9 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 162.2 mm (6.39 in) 163.2 mm (6.43 in)
Width 74.6 mm (2.94 in) 78 mm (3.07 in)
Thickness 8.3 mm (0.33 in) 7.5 mm (0.3 in)
Weight 198.5 g (7 oz) 194 g (6.84 oz)
Water resistance No IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Plastic
Colors - Black
- Silver
- Blue		 - Black
- Gray
- Rose Gold
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
OnePlus 9RT
87.4 %
Xiaomi 15T
89.9 %

Performance

Testing OnePlus 9RT and Xiaomi 15T In benchmarks
Processor
Chipset Qualcomm Snapdragon 888 5G MediaTek Dimensity 8400 Ultra
Max Frequency 2840 MHz 3250 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
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))		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process Samsung TSMC
Transistor Size 5 nm 4 nm
Neural Processor Hexagon 780 MediaTek NPU 880
Graphics Adreno 660 Mali-G720 MP7
GPU Cores 1024 896
GPU Frequency 840 MHz 1300 MHz
FLOPS 1290.2 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 9RT
1201
Xiaomi 15T
1603
Geekbench 6 (Multi-Core)
OnePlus 9RT
3302
Xiaomi 15T
6413
Geekbench 6 (Single-Core)12011603
Geekbench 6 (Multi-Core)33026413
Geekbench Compute (GPU)n/a11228
Sources: Geekbench v6 [OnePlus 9RT], [Xiaomi 15T]
AnTuTu 10
AnTuTu 10
OnePlus 9RT
927492
Xiaomi 15T
1872827
CPU237316448609
GPU307284683486
Memory169143396486
UX213749344246
NanoReview Score9274921872827
3DMark Wild Life
3DMark Wild Life
OnePlus 9RT
5821
Xiaomi 15T
n/a
Stability66 %n/a
Graphics Test34 fpsn/a
Graphics Score5821n/a
Sources: 3DMark [OnePlus 9RT]

Memory

RAM
RAM Size - 8 GB
- 12 GB		 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 2750 MHz n/a
Channels 4 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 12 (Upgradeable to Android 14) Android 15
UI Skin OxygenOS 14 HyperOS 2.0

Battery

Volume 4500 mAh 5500 mAh
Max Charging Power 65 W 67 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 15 min) Yes (50% in 22 min)
Full Charge Time 0:38 h 0:50 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8700x5800 pixels 8192x6144 pixels
Zoom Digital Optical, 2x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No No
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) 240 fps (1080p)
Wide-angle lens 123 ° 120 °
Lenses count Standard: 50 MP
Ultra-wide: 16 MP
Macro: 2 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.7
Focal length24 mm23 mm
SensorSony IMX766Omnivision OV50 Light Hunter 800
Sensor size1/1.561/1.55
Pixel size1 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/1.9
Focal lengthn/a46 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aDigital
Ultra-wide lens
Matrix16 MP12 MP
Aperturef/2.2f/2.2
Focal length14 mm15 mm
SensorSony IMX481n/a
Sensor size1/3.091/3.06
Pixel size1 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.0 f/2.2
Focal length n/a 21 mm
Sensor CMOS CMOS
Sensor size 1/3.06 1/3.44
Pixel size 1 μm 0.64 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (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 5.2 6.0
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G Bandsn/aGSM 2/3/5/8
3G Bandsn/aWCDMA B1/2/4/5/8/6/19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes

Other

Class Flagship Mid-range
Announced October, 2021 yr September, 2025 yr
Release Date October, 2021 yr September, 2025 yr
Launch Price ($) 515 n/a
MSRP ($) n/a 650
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 65 W No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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