Oppo Find X9 Ultra vs Xiaomi Mi 9

[ VERDICT ] Winner: Oppo Find X9 Ultra (96/100)

Oppo Find X9 Ultra leads overall with a score of 96/100 compared to Xiaomi Mi 9 (48/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Oppo Find X9 Ultra Xiaomi Mi 9
Gaming 96.0 Excellent WINNER 24.0 Poor
NanoReview Score 96.0 Excellent WINNER 48.0 Poor
Performance 99.0 Excellent WINNER 40.0 Poor

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
Battery type Silicon-Carbon (Si/C) Li-Po
Bypass charging Yes
Capacity 7050 mAh 3300 mAh
Fast charging Yes (75% in 30 min) Yes, Quick Charge 4 (50% in 30 min)
Full charging time 0:45 hr 1:30 hr
Gaming 08:23 hr 04:07 hr
Max charge power 100 W 27 W
Replaceable No No
Reverse charging Yes, (wireless) No
Standby 144 hr 83 hr
Watching video 26:15 hr 11:37 hr
Web browsing 16:45 hr 06:08 hr
Wireless charging Yes (50 W) Yes (20 W)

Benchmarks

Benchmarks specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
CPU 1184661 327134
Compute Score (GPU) 27916 3553
GPU 1577144 129608
Memory 509054 142341
Multi-core score 10744 2929
Single-core score 3536 1000
Total score 4231988 786843
UX 961129 187760
Data manipulation 7804
Graphics score 877
Graphics test 5 FPS
Photo editing 25498
Stability 86%
Video editing 6701
Web score 7583
Writing score 13260

Connectivity

Connectivity specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
2G network GSM 850/900/1800/1900MHz GSM 850, GSM 900, GSM 1800, GSM 1900
3G network WCDMA 1/2/4/5/6/8/19 HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
4G network LTE 1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/32/66/71 LTE 2100, LTE 800, LTE 1800, LTE 2600, LTE 900, LTE 2300, LTE 2500
5G support Yes No
Bluetooth features LE LE, A2DP
Bluetooth version 6.0 5
DisplayPort Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo
Hybrid slot No No
Infrared port Yes Yes
Multi SIM mode Standby Standby
NFC* Yes Yes
Number of SIM* 2 2
Type of SIM card Nano Nano
USB features - Charging- USB-Storage mode- OTG - Charging- USB-Storage mode- USB-Host mode- OTG
USB type USB Type-C USB Type-C
USB version 3.2 2
Wi-Fi features - Dual Band- Wi-Fi MiMO- Wi-Fi Direct- Wi-Fi Hotspot- Wi-Fi Display - Dual Band- Wi-Fi Direct- Wi-Fi Hotspot- Wi-Fi Display
Wi-Fi standard Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 5 (802.11 a/b/g/n/ac)
eSIM support* Yes No
LTE Cat* 20

Design and build

Design and build specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
Advanced cooling Vapor chamber
Colors White, Green, Orange Black, Blue, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Frame material Metal Metal
Height 163.16 mm (6.42 inches) 157.5 mm (6.2 inches)
Rear material Glass Glass
Thickness 8.65 mm (0.34 inches) 7.6 mm (0.3 inches)
Waterproof IP69 No
Weight 235 g (8.29 oz) 173 g (6.1 oz)
Width 76.97 mm (3.03 inches) 74.6 mm (2.94 inches)

Display

Display specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
Adaptive refresh rate Yes (1-120 Hz) No
Aspect ratio 19.8:9 19.5:9
Contrast ∞ Infinity ∞ Infinity
Display features - DCI-P3- Always-On Display- DC Dimming - Always-On Display- DC Dimming
HDR support Yes, Dolby Vision Yes, HDR10
Max rated brightness 1800 nits 600 nits
Max rated brightness in HDR 3600 nits
PPI 510 ppi 403 ppi
PWM 90 Hz 245 Hz
RGB color space 99.5% 95.4%
Refresh rate 144 Hz 60 Hz
Resolution 1440 x 3168 pixels 1080 x 2340 pixels
Response time 1 ms 4.2 ms
Screen protection Gorilla Glass Victus 2 Corning Gorilla Glass 6
Screen-to-body ratio 90% 85.3%
Size 6.82 inches 6.39 inches
Touch sampling rate 300 Hz
Type AMOLED AMOLED

DxOMark main camera tests

DxOMark main camera tests specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
Bokeh 185
Samples Photo samples of Oppo Find X9 Ultra from DxOMark Photo samples of Xiaomi Mi 9 from DxOMark

Main camera

Main camera specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
1080p video recording Up to 240FPS Up to 60FPS
4K video recording Up to 120FPS Up to 60FPS
8K video recording Up to 30FPS No
Angle of widest lens 120° 117°
Aperture f/1.5 f/1.8
Autofocus Phase autofocus Laser autofocus
Camera features - Bokeh mode- Pro mode - Bokeh mode- Pro mode- RAW support
Flash LED Dual LED
Focal length 23 mm 27 mm
Image resolution 16320 x 12240 8000 x 6000
Lenses 1) Standard: 200 MP2) Telephoto: 200 MP3) Telephoto: 50 MP4) Ultrawide: 50 MP 1) Standard: 48 MP2) Telephoto: 12 MP3) Ultrawide: 16 MP
Matrix 200 megapixels 48 megapixels
Pixel size 0.7 micron 0.8 micron
Sensor Sony LYTIA-901 Sony IMX586
Sensor size 1/1.12" (≈ 0.89 inch) 1/2" (≈ 0.5 inch)
Slow motion 480 FPS (720p) 960 FPS (1080p)
Stabilization Optical Digital
Zoom Optical, 10x Optical, 2x

Memory

Memory specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
Channels 4 2
Memory card No No
Memory clock 5300 MHz 2133 MHz
Memory type LPDDR5X LPDDR4X
RAM size 12 GB 6 GB
Storage size 256 GB 64 GB
Storage type UFS 4.1 UFS 2.1

Other

Other specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
Announced April 2026 February 2019
Bundled charger Not included
Category Flagship Flagship
Launch price (MSRP) $1299 $460
Release date May 2026 April 2019
Sensors - Proximity sensor- Gyroscope- Accelerometer- Ambient light sensor- Compass- Fingerprint - Hall-effect sensor- Barometer- Proximity sensor- Gyroscope- Accelerometer- Ambient light sensor- Compass- Fingerprint
SAR (body) 0.99 W/kg
SAR (head) 1.389 W/kg
Successor -Xiaomi 17

Performance

Performance specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
Architecture - 6 cores at 3.63 GHz: Oryon Gen 3 Performance- 2 cores at 4.61 GHz: Oryon Gen 3 Prime - 4 cores at 1.8 GHz: Cortex-A55 (Kryo 485 Silver)- 3 cores at 2.42 GHz: Cortex-A76 (Kryo 485 Gold)- 1 core at 2.84 GHz: Cortex-A76 (Kryo 485 Gold)
CPU cores 8 (2 + 6) 8 (1 + 3 + 4)
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 855
FLOPS ~3686.4 GFLOPS ~898.5 GFLOPS
GPU clock 1200 MHz 585 MHz
GPU shading units 1536 768
Graphics Adreno 840 Adreno 640
L3 cache 12 MB 2 MB
Lithography process 3 nanometers 7 nanometers
Manufacturing TSMC TSMC
Max clock 4600 MHz 2840 MHz
Neural processor (NPU) Hexagon Hexagon 690

Recent User Tests

Recent User Tests specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
Date Benchmark Benchmark
📘 2026-07-05(ak26ru) AnTuTu
📘 2026-07-15(IlyaLub) AnTuTu
📘 2026-07-19(KY.w) GeekBench GPU
📘 2026-07-21(IlyaLub) AnTuTu
📘 2024-11-06(Pon 2) GeekBench GPU
📘 2024-12-18(mi9user_perdun) GeekBench GPU
📘 2025-11-02(Rauful) AnTuTu
📘 2025-12-08(Imam Mawardi) AnTuTu
📘 2026-02-05(A13) AnTuTu
📘 2026-02-22(A13) AnTuTu

Selfie camera

Selfie camera specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
Depth sensor (TOF 3D) No No
Megapixels 50 megapixels 20 megapixels
Video resolution 2160p (4K) at 60 FPS 1080p (Full HD) at 30 FPS

Software

Software specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
OS size 31.6 GB 13.5 GB
OS updates 5 years
Operating system Android 16 Android 9.0 (Can be upgraded to Android 11)
ROM ColorOS 16 MIUI 12.5
Security updates 6 years

Sound

Sound specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Mi 9
Dolby Atmos No No
FM radio No No
Headphone audio jack No No
Speakers Stereo Mono

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