Home Phone comparison Xiaomi Redmi K90 and Oppo Find X9 Pro - Which is better?

Xiaomi Redmi K90 vs Oppo Find X9 Pro

91 out 100
Xiaomi Redmi K90
VS
96 out 100
Oppo Find X9 Pro
Xiaomi Redmi K90
Oppo Find X9 Pro

Compared 2 smartphones : Xiaomi Redmi K90 Manufactured in October, 2025, with display 6.59 with chipsetQualcomm Snapdragon 8 Elite, vs Oppo Find X9 Pro, Manufactured in October, 2025with chipsetMediaTek Dimensity 9500. 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 Xiaomi Redmi K90
  • Lighter design: 206g vs 224g
Reasons to choose Oppo Find X9 Pro
  • Larger display: 6.78in
  • Higher battery capacity: 7500mAh vs 7100mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB		 - 12/256 GB
- 12/512 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Redmi K90 and Oppo Find X9 Pro
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
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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:
Xiaomi Redmi K90
vs
Oppo Find X9 Pro

Display

Display quality comparison
Type OLED AMOLED
Size 6.59 in 6.78 in
Resolution 1156x2510 pixels 1264x2780 pixels
Aspect ratio 19.5:9 20:9
Pixel density n/a 450 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness n/a 1800 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 480 Hz 240 Hz
Screen-to-body ratio 89.9 % 90 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi K90
n/a
Oppo Find X9 Pro
1792 nits

Design & Build

Design and ergonomics comparison
Height 157.49 mm (6.2 in) 161.26 mm (6.35 in)
Width 75.25 mm (2.96 in) 76.46 mm (3.01 in)
Thickness 8 mm (0.31 in) 8.25 mm (0.32 in)
Weight 206 g (7.27 oz) 224 g (7.9 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel n/a Glass
Frame Metal Metal
Colors - White
- Black
- Blue
- Purple		 - White
- Gray
- Red
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi K90
89.9 %
Oppo Find X9 Pro
90 %

Performance

Testing Xiaomi Redmi K90 and Oppo Find X9 Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9500
Max Frequency 4470 MHz 4210 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon MediaTek NPU 990
Graphics Adreno 830 Mali-G1 Ultra MP12
GPU Cores 1536 1536
GPU Frequency 1100 MHz 1716 MHz
FLOPS 3379.2 GFLOPS 5271.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi K90
2856
Oppo Find X9 Pro
3235
Geekbench 6 (Multi-Core)
Xiaomi Redmi K90
8814
Oppo Find X9 Pro
9626
Geekbench 6 (Single-Core)28563235
Geekbench 6 (Multi-Core)88149626
Geekbench Compute (GPU)2442729534
Sources: Geekbench v6 [Xiaomi Redmi K90], [Oppo Find X9 Pro]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi K90
3218814
Oppo Find X9 Pro
3956885
CPU9160551030180
GPU11503131453877
Memory513749709892
UX638697762936
NanoReview Score32188143956885

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5300 MHz 5333 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin HyperOS 3 ColorOS 16

Battery

Volume 7100 mAh 7500 mAh
Max Charging Power 100 W 80 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging Yes Yes, (Wireless)
Fast Charging Yes Yes (54% in 30 min)
Full Charge Time n/a 1:20 h
Battery Life Test
Battery Life
Xiaomi Redmi K90
n/a
Oppo Find X9 Pro
35:19
Web Browsingn/a19:04 h
Video Playbackn/a25:00 h
Gamesn/a10:24 h
Standby Moden/a107 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 2.5x Optical, 3x
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 480 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.5
Focal lengthn/a23 mm
SensorOmnivision OV50 Light Hunter 800Sony LYT-828
Sensor size1/1.551/1.28
Pixel size1 μm1.22 μm
AutofocusPhase autofocus (Dual Pixel)Laser autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP200 MP
Aperturef/3.0f/2.1
Focal lengthn/a70 mm
SensorOmnivision OV50MSamsung ISOCELL HP5
Sensor size1/2.761/1.56
Pixel size0.64 μm0.5 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.0
Focal lengthn/a15 mm
SensorOmnivision OV08FSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Aperture f/2.2 f/2.0
Focal length n/a 21 mm
Sensor Omnivision OV20B Samsung S5KJN5
Sensor size 1/4 1/2.76
Pixel size 0.8 μm 0.64 μm
Autofocus n/a Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version 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 5.4 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version n/a 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G Bandsn/aGSM 850/900/1800MHz
3G Bandsn/aWCDMA 1/2/4/5/6/8/19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B25/B26/B28/B66)
5G SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced October, 2025 yr October, 2025 yr
Release Date October, 2025 yr October, 2025 yr
MSRP ($) 370 1299
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 100 W Yes, 80 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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