Home Phone comparison Oppo Realme 9i and Xiaomi 15T - Which is better?

Oppo Realme 9i vs Xiaomi 15T

46 out 100
Oppo Realme 9i
VS
82 out 100
Xiaomi 15T
Oppo Realme 9i
Xiaomi 15T

Compared 2 smartphones : Oppo Realme 9i Manufactured in January, 2022, with display 6.6 with chipsetQualcomm Snapdragon 680, 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 Oppo Realme 9i
  • Lighter design: 190g vs 194g
  • Includes charger
Reasons to choose Xiaomi 15T
  • Larger display: 6.83in
  • Higher pixel density: 447ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5500mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Infrared port
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB		 - 12/256 GB
- 12/512 GB

Review

Key Specs Oppo Realme 9i 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.
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:
Oppo Realme 9i
vs
Xiaomi 15T

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.6 in 6.83 in
Resolution 1080x2412 pixels 1280x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 401 ppi 447 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 480 nits n/a
HDR support No Yes, Dolby Vision
Touch Sampling Rate 180 Hz 480 Hz
Screen-to-body ratio 84.5 % 89.9 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Realme 9i
512 nits
Xiaomi 15T
n/a
sRGB gamut98.2 %n/a
Response time26 msn/a
Contrast847:1n/a
Sources: NotebookCheck [Oppo Realme 9i]

Design & Build

Design and ergonomics comparison
Height 164.4 mm (6.47 in) 163.2 mm (6.43 in)
Width 75.7 mm (2.98 in) 78 mm (3.07 in)
Thickness 8.4 mm (0.33 in) 7.5 mm (0.3 in)
Weight 190 g (6.7 oz) 194 g (6.84 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Plastic
Colors - Black
- Blue		 - Black
- Gray
- Rose Gold
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Oppo Realme 9i
84.5 %
Xiaomi 15T
89.9 %

Performance

Testing Oppo Realme 9i and Xiaomi 15T In benchmarks
Processor
Chipset Qualcomm Snapdragon 680 MediaTek Dimensity 8400 Ultra
Max Frequency 2400 MHz 3250 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.9 (Kryo 265 Silver (Cortex-A53))
- 4/2.4 (Kryo 265 Gold (Cortex-A73))		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process TSMC TSMC
Transistor Size 6 nm 4 nm
Neural Processor Hexagon 686 MediaTek NPU 880
Graphics Adreno 610 Mali-G720 MP7
GPU Cores 128 896
GPU Frequency 1114 MHz 1300 MHz
FLOPS 284 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme 9i
548
Xiaomi 15T
1603
Geekbench 6 (Multi-Core)
Oppo Realme 9i
1599
Xiaomi 15T
6413
Geekbench 6 (Single-Core)5481603
Geekbench 6 (Multi-Core)15996413
Geekbench Compute (GPU)n/a11228
Sources: Geekbench v6 [Xiaomi 15T]
AnTuTu 10
AnTuTu 10
Oppo Realme 9i
294782
Xiaomi 15T
1872827
CPU99824448609
GPU40210683486
Memory80648396486
UX74100344246
NanoReview Score2947821872827
3DMark Wild Life
3DMark Wild Life
Oppo Realme 9i
445
Xiaomi 15T
n/a
Max Surface Temp.43.9 °Cn/a
Stability98 %n/a
Graphics Test2 fpsn/a
Graphics Score445n/a
Sources: 3DMark [Oppo Realme 9i]
PCMark 3.0
PCMark 3.0
Oppo Realme 9i
8159
Xiaomi 15T
n/a
Writing score9474n/a
Web score7934n/a
Video editing4265n/a
Data manipulation6065n/a
NanoReview Score8159n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz n/a
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeUFS 2.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 11 (Upgradeable to Android 14) Android 15
OS Size 17 GB n/a
UI Skin Realme UI 5.0 HyperOS 2.0

Battery

Volume 5000 mAh 5500 mAh
Max Charging Power 33 W 67 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (27% in 15 min) Yes (50% in 22 min)
Full Charge Time 1:12 h 0:50 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8700x5800 pixels 8192x6144 pixels
Zoom Digital Optical, 2x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 240 fps (1080p)
Wide-angle lens n/a 120 °
Lenses count Standard: 50 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.7
Focal length26 mm23 mm
SensorSamsung S5KJN1Omnivision OV50 Light Hunter 800
Sensor size1/2.761/1.55
Pixel size0.64 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
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
Matrixn/a12 MP
Aperturen/af/2.2
Focal lengthn/a15 mm
Sensor sizen/a1/3.06
Pixel sizen/a1.12 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Oppo Realme 9i
95
Xiaomi 15T
n/a
Video quality
Oppo Realme 9i
61
Xiaomi 15T
n/a
Overall camera score
Oppo Realme 9i
75
Xiaomi 15T
n/a
Bokeh30n/a
Preview57n/a
Zoom36n/a
Sources: DxOMark [Oppo Realme 9i]

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.1 f/2.2
Focal length 26 mm 21 mm
Sensor Sony IMX471 CMOS
Sensor size 1/3.13 1/3.44
Pixel size 1 μm 0.64 μm
Autofocus No 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 5 (802.11 a/b/g/n/ac) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- 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 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* Varies by region Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900GSM 2/3/5/8
3G BandsWCDMA 1/5/8WCDMA B1/2/4/5/8/6/19
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71)
5G SupportNoYes

Sound

Speakers Stereo n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Oppo Realme 9i
88 dB
Xiaomi 15T
n/a

Other

Class Mid-range Mid-range
Announced January, 2022 yr September, 2025 yr
Release Date January, 2022 yr September, 2025 yr
Launch Price ($) 230 n/a
MSRP ($) n/a 650
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 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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