Home Phone comparison Oppo Realme 9i and Xiaomi Redmi Note 15 Pro 4G - Which is better?

Oppo Realme 9i vs Xiaomi Redmi Note 15 Pro 4G

46 out 100
Oppo Realme 9i
VS
67 out 100
Xiaomi Redmi Note 15 Pro 4G
Oppo Realme 9i
Xiaomi Redmi Note 15 Pro 4G

Compared 2 smartphones : Oppo Realme 9i Manufactured in January, 2022, with display 6.6 with chipsetQualcomm Snapdragon 680, vs Xiaomi Redmi Note 15 Pro 4G, Manufactured in December, 2025 with chipsetMediaTek Helio G200 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
  • Higher pixel density: 401ppi
  • Lighter design: 190g vs 195g
  • Includes charger
Reasons to choose Xiaomi Redmi Note 15 Pro 4G
  • Larger display: 6.77in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6500mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Infrared port

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB		 - 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Oppo Realme 9i and Xiaomi Redmi Note 15 Pro 4G
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
Redmi Note 15 Pro 4G

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.6 in 6.77 in
Resolution 1080x2412 pixels 1080x2392 pixels
Aspect ratio 20:9 n/a
Pixel density 401 ppi 388 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 480 nits n/a
HDR support No n/a
Touch Sampling Rate 180 Hz n/a
Screen-to-body ratio 84.5 % 89.1 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Realme 9i
512 nits
Xiaomi Redmi Note 15 Pro 4G
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) 76.3 mm (3 in)
Thickness 8.4 mm (0.33 in) 8 mm (0.31 in)
Weight 190 g (6.7 oz) 195 g (6.88 oz)
Water resistance No IP65
Back panel Plastic Plastic
Frame Plastic Metal
Colors - Black
- Blue		 - Black
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Oppo Realme 9i
84.5 %
Xiaomi Redmi Note 15 Pro 4G
89.1 %

Performance

Testing Oppo Realme 9i and Xiaomi Redmi Note 15 Pro 4G In benchmarks
Processor
Chipset Qualcomm Snapdragon 680 MediaTek Helio G200 Ultra
Max Frequency 2400 MHz 2500 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.9 (Kryo 265 Silver (Cortex-A53))
- 4/2.4 (Kryo 265 Gold (Cortex-A73))		 - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
Process TSMC TSMC
Transistor Size 6 nm 6 nm
Neural Processor Hexagon 686 Yes
Graphics Adreno 610 Mali-G57 MP2
GPU Cores 128 64
GPU Frequency 1114 MHz 1100 MHz
FLOPS 284 GFLOPS 140.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme 9i
548
Xiaomi Redmi Note 15 Pro 4G
734
Geekbench 6 (Multi-Core)
Oppo Realme 9i
1599
Xiaomi Redmi Note 15 Pro 4G
2008
Geekbench 6 (Single-Core)548734
Geekbench 6 (Multi-Core)15992008
AnTuTu 10
AnTuTu 10
Oppo Realme 9i
294782
Xiaomi Redmi Note 15 Pro 4G
447931
CPU99824139717
GPU4021065836
Memory80648124991
UX74100117387
NanoReview Score294782447931
3DMark Wild Life
3DMark Wild Life
Oppo Realme 9i
445
Xiaomi Redmi Note 15 Pro 4G
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 Redmi Note 15 Pro 4G
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		 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeUFS 2.1UFS 2.2
Memory CardMicroSDMicroSD

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 6500 mAh
Max Charging Power 33 W 18 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (27% in 15 min) Yes
Full Charge Time 1:12 h n/a

Main camera

Matrix 50 MP 200 MP
Photo resolution 8700x5800 pixels n/a
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Wide-angle lens n/a 120 °
Lenses count Standard: 50 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 200 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP200 MP
Aperturef/1.8f/2.2
Focal length26 mm25 mm
SensorSamsung S5KJN1n/a
Sensor size1/2.761/4 (0.25)
Pixel size0.64 μm0.7 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a15 mm
Sensor sizen/a1/4 (0.25)
Pixel sizen/a1.12 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Oppo Realme 9i
95
Xiaomi Redmi Note 15 Pro 4G
n/a
Video quality
Oppo Realme 9i
61
Xiaomi Redmi Note 15 Pro 4G
n/a
Overall camera score
Oppo Realme 9i
75
Xiaomi Redmi Note 15 Pro 4G
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 n/a
Sensor Sony IMX471 CMOS
Sensor size 1/3.13 1/3 (0.33)
Pixel size 1 μm 0.7 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (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 Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.3
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 Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900n/a
3G BandsWCDMA 1/5/8n/a
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)n/a
5G SupportNoNo

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 Redmi Note 15 Pro 4G
n/a

Other

Class Mid-range Mid-range
Announced January, 2022 yr December, 2025 yr
Release Date January, 2022 yr December, 2025 yr
Launch Price ($) 230 n/a
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 n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi Note 15 Pro 4G the clear winner in this comparison.

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