Oppo Find X9 Ultra vs Xiaomi 15T

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

Oppo Find X9 Ultra leads overall with a score of 96/100 compared to Xiaomi 15T (75/100), 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 15T
Gaming 96.0 Excellent WINNER 50.0 Below Average
NanoReview Score 96.0 Excellent WINNER 75.0 Good
Performance 99.0 Excellent WINNER 57.0 Below Average

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
Battery type Silicon-Carbon (Si/C) Li-Po
Bypass charging Yes No
Capacity 7050 mAh 5500 mAh
Fast charging Yes (75% in 30 min) Yes (69% in 30 min)
Full charging time 0:45 hr 0:51 hr
Gaming 08:23 hr 06:40 hr
Max charge power 100 W 67 W
Replaceable No No
Reverse charging Yes, (wireless) No
Standby 144 hr 125 hr
Watching video 26:15 hr 14:55 hr
Web browsing 16:45 hr 11:09 hr
Wireless charging Yes (50 W) No
Battery cycles 1600 cycles

Benchmarks

Benchmarks specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
CPU 1184661 601024
Compute Score (GPU) 27916 11228
GPU 1577144 581727
Memory 509054 320685
Multi-core score 10744 2688
Single-core score 3536 904
Total score 4231988 1915524
UX 961129 412008
Data manipulation 13815
Graphics score 1281
Graphics test 9 FPS
Photo editing 23714
Section 1 24 FPS
Section 2 23 FPS
Section 3 20 FPS
Stability 88%
Video editing 6673
Web score 15808
Writing score 18234

Connectivity

Connectivity specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
2G network GSM 850/900/1800/1900MHz GSM 2/3/5/8
3G network WCDMA 1/2/4/5/6/8/19 WCDMA B1/2/4/5/8/6/19
4G network LTE 1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/32/66/71 LTE B1/2/3/4/5/7/8/12/13/17/18/19/20/26/28/32/66/71
5G support Yes Yes
Bluetooth features LE LE
Bluetooth version 6.0 6.0
DisplayPort Yes No
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS
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- 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 MiMO- 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 6E (802.11 a/b/g/n/ac/ax)
eSIM support* Yes Yes

Design and build

Design and build specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
Advanced cooling Vapor chamber Vapor chamber
Colors White, Green, Orange Black, Gray, Rose gold
Fingerprint scanner Yes, in-display Yes, in-display
Frame material Metal Plastic
Height 163.16 mm (6.42 inches) 163.2 mm (6.43 inches)
Rear material Glass Plastic
Thickness 8.65 mm (0.34 inches) 7.5 mm (0.3 inches)
Waterproof IP69 IP68
Weight 235 g (8.29 oz) 194 g (6.84 oz)
Width 76.97 mm (3.03 inches) 78 mm (3.07 inches)
Drop resistance Excellent (A) · 270 drops
Repairability Average (2.63/5)

Display

Display specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
Adaptive refresh rate Yes (1-120 Hz) Yes (30-120 Hz)
Aspect ratio 19.8:9 19.5:9
Contrast ∞ Infinity ∞ Infinity
Display features - DCI-P3- Always-On Display- DC Dimming - DCI-P3- Always-On Display- DC Dimming
HDR support Yes, Dolby Vision Yes, Dolby Vision
Max rated brightness 1800 nits 1100 nits
Max rated brightness in HDR 3600 nits 3200 nits
PPI 510 ppi 447 ppi
PWM 90 Hz 120 Hz
RGB color space 99.5% 99.7%
Refresh rate 144 Hz 120 Hz
Resolution 1440 x 3168 pixels 1280 x 2772 pixels
Response time 1 ms 1 ms
Screen protection Gorilla Glass Victus 2 Corning Gorilla Glass 7i
Screen-to-body ratio 90% 89.9%
Size 6.82 inches 6.83 inches
Touch sampling rate 300 Hz 480 Hz
Type AMOLED AMOLED

DxOMark main camera tests

DxOMark main camera tests specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
Bokeh 185
Samples Photo samples of Oppo Find X9 Ultra from DxOMark

Main camera

Main camera specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
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° 120°
Aperture f/1.5 f/1.7
Autofocus Phase autofocus Phase autofocus
Camera features - Bokeh mode- Pro mode - Bokeh mode- Pro mode- RAW support
Flash LED Dual LED
Focal length 23 mm 23 mm
Image resolution 16320 x 12240 8192 x 6144
Lenses 1) Standard: 200 MP2) Telephoto: 200 MP3) Telephoto: 50 MP4) Ultrawide: 50 MP 1) Standard: 50 MP2) Telephoto: 50 MP3) Ultrawide: 12 MP
Matrix 200 megapixels 50 megapixels
Pixel size 0.7 micron 1 micron
Sensor Sony LYTIA-901 Omnivision OV50 Light Hunter 800
Sensor size 1/1.12" (≈ 0.89 inch) 1/1.55" (≈ 0.65 inch)
Slow motion 480 FPS (720p) 240 FPS (1080p)
Stabilization Optical Optical
Zoom Optical, 10x Optical, 2x

Memory

Memory specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
Channels 4 4
Memory card No No
Memory clock 5300 MHz
Memory type LPDDR5X LPDDR5X
RAM size 12 GB 12 GB
Storage size 256 GB 256 GB
Storage type UFS 4.1 UFS 4.1

Other

Other specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
Announced April 2026 September 2025
Bundled charger Not included Not included
Category Flagship Flagship
Launch price (MSRP) $1299 $650
Release date May 2026 September 2025
Sensors - Proximity sensor- Gyroscope- Accelerometer- Ambient light sensor- Compass- Fingerprint - Gyroscope- Accelerometer- Ambient light sensor- Compass- Fingerprint

Performance

Performance specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
Architecture - 6 cores at 3.63 GHz: Oryon Gen 3 Performance- 2 cores at 4.61 GHz: Oryon Gen 3 Prime - 4 cores at 2.1 GHz: Cortex-A725- 3 cores at 3 GHz: Cortex-A725- 1 core at 3.25 GHz: Cortex-A725
CPU cores 8 (2 + 6) 8 (1 + 3 + 4)
Chipset Qualcomm Snapdragon 8 Elite Gen 5 MediaTek Dimensity 8400 Ultra
FLOPS ~3686.4 GFLOPS ~2329.6 GFLOPS
GPU clock 1200 MHz 1300 MHz
GPU shading units 1536 896
Graphics Adreno 840 Mali-G720 MP7
L3 cache 12 MB 6 MB
Lithography process 3 nanometers 4 nanometers
Manufacturing TSMC TSMC
Max clock 4600 MHz 3250 MHz
Neural processor (NPU) Hexagon MediaTek NPU 880

Recent User Tests

Recent User Tests specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
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
📘 2025-11-23(aliwesrr) AnTuTu
📘 2025-11-28(Mg) AnTuTu
📘 2025-11-29(Viktor) AnTuTu
📘 2025-12-09(Darwish) AnTuTu
📘 2026-01-24(8arusadar) AnTuTu
📘 2026-03-15(Bers2409) AnTuTu
📘 2026-03-31(chebypeli100500) AnTuTu
📘 2026-08-20(Ali -geekbench 7 test) GeekBench CPU

Selfie camera

Selfie camera specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
Depth sensor (TOF 3D) No No
Megapixels 50 megapixels 32 megapixels
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 30 FPS

Software

Software specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
OS size 31.6 GB 33 GB
OS updates 5 years 5 years
Operating system Android 16 Android 15 (Can be upgraded to Android 16)
ROM ColorOS 16 HyperOS 3.0
Security updates 6 years 5 years

Sound

Sound specifications comparison
Specification Oppo Find X9 Ultra Xiaomi 15T
Dolby Atmos No Yes
FM radio No No
Headphone audio jack No No
Speakers Stereo Stereo

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