Compare / Redmi K90 Ultra vs Oppo Find X9 Pro
Redmi K90 Ultra vs Oppo Find X9 Pro
A side-by-side comparison of the Redmi K90 Ultra and the Oppo Find X9 Pro, covering display, chipset, memory, camera, battery and build.
Overview
Specifications
Redmi K90 Ultra
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800
- 3G bands
- UMTS 2100 / 1700/2100 / 850 / 800 / 900 / 800 - HSUPA, HSUPA 5.8, HSDPA, HSPA+ 21.1, HSPA+ 42.2, DC-HSDPA 42.2
- 4G bands
- LTE bands 1, 3, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66 - 100/50, 150/50, 300/50, 300/75, 300/100, 450/50, 450/100, 600/50, 600/100
- 5G bands
- NR bands 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 - 1500, 2600, 3700 data links
- Dual SIM
- SIM2 supports same bands as SIM1
Oppo Find X9 Pro
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800 / 1900
- 3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China
HSDPA 900 / 2100 - India
- 4G bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71 - International
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66 - China
1, 3, 5, 8, 40 - India
- 5G bands
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 76, 77, 78, 79 SA/NSA - International
1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 48, 66, 77, 78, 79 SA/NSA - China
1, 3, 5, 8, 40 SA/NSA - India
- Speed
- HSPA, LTE, 5G
Redmi K90 Ultra
- Announced
- 2026 Jun
- Status
- Available. Released 2026 Jun 29
Oppo Find X9 Pro
- Announced
- 2025, October 16
- Status
- Available. Released 2025, October 22
Redmi K90 Ultra
- Dimensions
- 162.91 × 77.93 × 8.18 mm
- Weight
- 227 g
- Build
- Yes
- SIM
- Nano-SIM (4FF)
- Protection
- IP69 dust/water resistant (150 cm, 30 min)
- Extras
- Haptic touch feedback, Tactile touch feedback
Oppo Find X9 Pro
- Dimensions
- 161.3 x 76.5 x 8.3 mm (6.35 x 3.01 x 0.33 in)
- Weight
- 224 g (7.90 oz)
- Build
- Glass front (Gorilla Glass Victus 2), glass back, aluminum frame
- SIM
· Nano-SIM + eSIM
· Nano-SIM + Nano-SIM
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Redmi K90 Ultra
- Type
- AM-OLED display, 1073.7M colors, 165 Hz
- Size
- 6.8 inches
- Resolution
- 1280x2772 pixels (~447 PPI density), ~90.2% screen-to-body ratio
- Protection
- Yes
- Touch
- Capacitive multi-touch screen
- Notch/Hole
- 1-hole
Oppo Find X9 Pro
- Type
- LTPO AMOLED1B colors120Hz2160Hz PWMDolby VisionHDR10+HDR Vivid800 nits (typ)1800 nits (HBM)3600 nits (peak)
- Size
- 6.78 inches, 112.4 cm2 (~91.1% screen-to-body ratio)
- Resolution
- 1272 x 2772 pixels, 19.5:9 ratio (~450 ppi density)
- Protection
Corning Gorilla Glass Victus 2
Ultra HDR image support
Redmi K90 Ultra
- OS
- Google Android 16 (Baklava)
- Chipset
- Qualcomm Snapdragon 8 Elite SM8750-AB (Sun) 3 nm
- CPU
- 4.32 GHz octa-core
- GPU
- Qualcomm Adreno 830 (1100 MHz)
Oppo Find X9 Pro
- OS
- Android 16, up to 5 major OS updates, ColorOS 16
- Chipset
- Mediatek Dimensity 9500 (3 nm)
- CPU
- Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
- GPU
- Arm G1-Ultra
Redmi K90 Ultra
- Card slot
- No
- Internal
- 512GB 16GB RAM, 512GB 12GB RAM, 256GB 16GB RAM, 256GB 12GB RAM
- Interface
- UFS 4.1
Oppo Find X9 Pro
- Card slot
- No
- Internal
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
UFS 4.1
Redmi K90 Ultra
- Dual
50.1 MP, f/1.68, 24mm, 1.0 x optical zoom, BSI CMOS, 1.00µm, PD AF, EIS, EIS (video), OIS, Pixel unification, HDR photo, HDR video, Red-eye reduction, Slow motion video, Burst mode, Refocus, Touch focus, Macro mode, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection
8.0 MP, f/2.20, 15mm, (ultrawide), BSI CMOS, 1.12µm, HDR photo, HDR video, Slow motion video, Burst mode, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection
- Other features
- single LED flash
- Video
- 7680x4320 pixel
Oppo Find X9 Pro
- Triple
50 MP, f/1.5, 23mm (wide), 1/1.28", 1.22µm, multi-directional PDAF, OIS
200 MP, f/2.1, 70mm (periscope telephoto), 1/1.56", 0.5µm, 3x optical zoom, multi-directional PDAF, OIS
50 MP, f/2.0, 15mm, 120˚ (ultrawide), 1/2.76", 0.64µm, multi-directional PDAF
- Features
- Laser AFcolor spectrum sensorHasselblad Color CalibrationLED flashHDRpanoramaLUT preview
- Video
- 4K@30/60/120fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10‑bit video, Dolby Vision, LOG
Redmi K90 Ultra
- Single
20.2 MP, f/2.00, BSI CMOS, Pixel unification, HDR photo, HDR video, Slow motion video, Burst mode, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection
- Video
- 1920x1080 pixel
Oppo Find X9 Pro
- Single
- 50 MP, f/2.0, 21mm (wide), 1/2.76", 0.64µm, PDAF
- Features
- Panorama
- Video
- 4K@30/60fps, 1080p@30/60fps, gyro-EIS
Redmi K90 Ultra
- Loudspeaker
- 3
- 3.5mm jack
- No
- Audio features
- Voice speakerSpeakerphoneANCHD VoiceVoLTEViLTE
Oppo Find X9 Pro
- Loudspeaker
- Yes, with stereo speakers
- 3.5mm jack
- No
Redmi K90 Ultra
- WLAN
- 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax, 802.11be
- Bluetooth
- Bluetooth 5.4
- Positioning
- Simultaneous GPSA-GPSDual-frequency GPSGeotaggingQuickGPSQZSSNavIC
- Satellite details
- GLONASS (L1OF); Galileo (E1, E5a); BeiDou (B1c, B1I, B2a BeiDou receiver)
- NFC
- Yes
- USB
- USB C reversible USB 2.0
- USB features
- USB chargingUSB fast chargingUSB HostUSB OTG 1.3USB OTG 2.0USB PDUSB PD 2.0USB PD 3.0
- Wireless features
- Miracast, Wi-Fi Direct, Wi-Fi Tethering, WiDi, Wi-Fi Calling
- IR
- Yes
Oppo Find X9 Pro
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band or tri-band, Wi-Fi Direct
- Bluetooth
- 6.0, A2DP, LE, aptX HD, LHDC 5
- Positioning
- GPS (L1+L5)BDS (B1I+B1c+B2a+B2b)GALILEO (E1+E5a+E5b)QZSS (L1+L5)GLONASSNavIC (L5)
- NFC
- Yes
- Infrared port
- Yes
- Radio
- No
- USB
- USB Type-C 3.2, OTG
Redmi K90 Ultra
- Sensors
- AccelerometerGyroCompassIn-screen FP sensorL sensorP sensorStep counterNFC
- Software
- Voice CommandBusiness card recognitionNavigation softwareAugmented Reality (AR)Intelligent personal assistantVoice RecognitionFace Recognition
Oppo Find X9 Pro
- Sensors
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Satellite connectivity support (1TB 16GB RAM model only)
Redmi K90 Ultra
- Type
- 8550 mAh battery Li-ion (Si-C)
- Charging
- 100.0 W charging wired
Oppo Find X9 Pro
- Type
- Si/C Li-Ion 7500 mAh
- Charging
80W wired, 80W UFCS, 55W PPS, 11.7W PD
50W wireless
10W reverse wireless
Redmi K90 Ultra
- Models
- Redmi K90 Ultra 5G Standard Edition Dual SIM TD-LTE CN 512GB M332BF
- Price
- ¥4,199
- Market
- Asia
- Countries
- China
Oppo Find X9 Pro
- Colors
- Silk White, Titanium Charcoal, Velvet Red
- Models
- CPH2791, PLG110
- Price
- £ 849.00 / € 1,079.00 / $ 1,835.00
Redmi K90 Ultra
Not listed for this device
Oppo Find X9 Pro
- Performance
AnTuTu: 2719560 (v10), 3563384 (v11)
GeekBench: 9697 (v6)
3DMark: 6808 (Wild Life Extreme)
- Display
- 1175 nits max brightness (measured)
- Loudspeaker
- -26.6 LUFS (Good)
- Battery
- Active use score 21:57h
Redmi K90 Ultra
Not listed for this device
Oppo Find X9 Pro
- Energy
- Class A
- Battery
- 80:06h endurance, 1300 cycles
- Free fall
- Class C (90 falls)
- Repairability
- Class B
How the Redmi K90 Ultra and Oppo Find X9 Pro differ
- The Redmi K90 Ultra has a larger battery, 8550 mAh against 7500 mAh on the Oppo Find X9 Pro.
- The Redmi K90 Ultra has the bigger screen, 6.8 inches against 6.78 inches.
- The main cameras are 50.1 MP on the Redmi K90 Ultra and 50 MP on the Oppo Find X9 Pro.
- The Redmi K90 Ultra is the newer of the two, released in June 2026.