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

Oppo Realme 9 vs Xiaomi Redmi Note 15 4G

49 out 100
Oppo Realme 9
VS
64 out 100
Xiaomi Redmi Note 15 4G
Oppo Realme 9
Xiaomi Redmi Note 15 4G

Compared 2 smartphones : Oppo Realme 9 Manufactured in April, 2022, with display 6.4 with chipsetQualcomm Snapdragon 680, vs Xiaomi Redmi Note 15 4G, Manufactured in December, 2025 with chipsetMediaTek Helio G100 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 9
  • Higher pixel density: 411ppi
  • Lighter design: 178g vs 183.7g
  • Includes charger
Reasons to choose Xiaomi Redmi Note 15 4G
  • Larger display: 6.77in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5.1

Versions

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

Review

Key Specs Oppo Realme 9 and Xiaomi Redmi Note 15 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.
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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:
Oppo Realme 9
vs
Redmi Note 15 4G

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.4 in 6.77 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 n/a
Pixel density 411 ppi 388 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 430 nits n/a
HDR support No No
Touch Sampling Rate 360 Hz n/a
Screen-to-body ratio 84.2 % 89.7 %
Features - DCI-P3
- Always-On Display		 DCI-P3
Display test
Peak brightness (auto)
Oppo Realme 9
642 nits
Xiaomi Redmi Note 15 4G
n/a

Design & Build

Design and ergonomics comparison
Height 160.2 mm (6.31 in) 164 mm (6.46 in)
Width 73.3 mm (2.89 in) 75.4 mm (2.97 in)
Thickness 7.99 mm (0.31 in) 7.4 mm (0.29 in)
Weight 178 g (6.28 oz) 183.7 g (6.48 oz)
Water resistance IP54 IP64
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- Gold		 - Black
- Blue
- Green
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Oppo Realme 9
84.2 %
Xiaomi Redmi Note 15 4G
89.7 %

Performance

Testing Oppo Realme 9 and Xiaomi Redmi Note 15 4G In benchmarks
Processor
Chipset Qualcomm Snapdragon 680 MediaTek Helio G100 Ultra
Max Frequency 2400 MHz 2200 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 1000 MHz
FLOPS 284 GFLOPS 128 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme 9
413
Xiaomi Redmi Note 15 4G
730
Geekbench 6 (Multi-Core)
Oppo Realme 9
1425
Xiaomi Redmi Note 15 4G
2025
Geekbench 6 (Single-Core)413730
Geekbench 6 (Multi-Core)14252025
Sources: Geekbench v6 [Oppo Realme 9]
AnTuTu 10
AnTuTu 10
Oppo Realme 9
317925
Xiaomi Redmi Note 15 4G
437184
CPU111183132724
GPU3995072238
Memory82903109980
UX83889122242
NanoReview Score317925437184
3DMark Wild Life
3DMark Wild Life
Oppo Realme 9
446
Xiaomi Redmi Note 15 4G
n/a
Stability99 %n/a
Graphics Test2 fpsn/a
Graphics Score446n/a
Sources: 3DMark [Oppo Realme 9]
PCMark 3.0
PCMark 3.0
Oppo Realme 9
8053
Xiaomi Redmi Note 15 4G
n/a
Writing score10149n/a
Web score7446n/a
Video editing4322n/a
Data manipulation5731n/a
NanoReview Score8053n/a

Memory

RAM
RAM Size - 6 GB
- 8 GB		 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 2.2UFS 2.2
Memory CardMicroSDNo

Software

OS Android 12 (Upgradeable to Android 14) Android 15
UI Skin Realme UI 5.0 HyperOS 2.0

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 33 W 33 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (50% in 30 min) Yes
Full Charge Time 1:16 h n/a
Battery Life Test
Battery Life
Oppo Realme 9
26:31
Xiaomi Redmi Note 15 4G
n/a
Web Browsing09:51 hn/a
Video Playback14:59 hn/a
Games06:05 hn/a
Standby Mode140 hn/a

Main camera

Matrix 108 MP 108 MP
Photo resolution 12000x9000 pixels n/a
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (720p) n/a
Wide-angle lens 120 ° n/a
Lenses count Standard: 108 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 108 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix108 MP108 MP
Aperturef/1.8f/1.7
Focal length26 mm24 mm
SensorSamsung HM6n/a
Sensor size1/1.671/1.67 (0.6)
Pixel size0.64 μm0.64 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
SensorOmniVision OV08D10n/a
Sensor size1/4n/a
Pixel size1.12 μmn/a
StabilizationNon/a

Front camera

Matrix 16 MP 20 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.1 f/2.2
Focal length 26 mm n/a
Sensor Sony IMX471 Omnivision OV02F
Sensor size 1/3.13 1/5 (0.2)
Pixel size 1 μm 1.75 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)
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 5.1 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 No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM/GPRS/EDGE 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 Mono n/a
3.5 mm Jack Yes No
FM Radio No Yes

Other

Class Mid-range Mid-range
Announced April, 2022 yr December, 2025 yr
Release Date April, 2022 yr December, 2025 yr
Launch Price ($) 320 n/a
Sensors - Proximity Sensor
- Gyroscope
- 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 4G the clear winner in this comparison.

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