Oppo Find X9 Ultra vs Xiaomi Redmi Note 15 Pro Plus 5G

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

Oppo Find X9 Ultra leads overall with a score of 96/100 compared to Xiaomi Redmi Note 15 Pro Plus 5G (70/100), 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 Redmi Note 15 Pro Plus 5G
Gaming 96.0 Excellent WINNER 28.0 Poor
NanoReview Score 96.0 Excellent WINNER 70.0 Good
Performance 99.0 Excellent WINNER 47.0 Poor

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
Battery type Silicon-Carbon (Si/C) Silicon-Carbon (Si/C)
Bypass charging Yes
Capacity 7050 mAh 6500 mAh
Fast charging Yes (75% in 30 min) Yes (78% in 30 min)
Full charging time 0:45 hr 0:48 hr
Gaming 08:23 hr 06:41 hr
Max charge power 100 W 100 W
Replaceable No No
Reverse charging Yes, (wireless) Yes
Standby 144 hr 134 hr
Watching video 26:15 hr 18:31 hr
Web browsing 16:45 hr 10:18 hr
Wireless charging Yes (50 W) No
Battery cycles 1000 cycles

Benchmarks

Benchmarks specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
CPU 1184661 390323
Compute Score (GPU) 27916 4716
GPU 1577144 183859
Memory 509054 181087
Multi-core score 10744 3251
Single-core score 3536 1222
Total score 4231988 1024234
UX 961129 268965
Data manipulation 11271
Photo editing 22069
Video editing 7782
Web score 14468
Writing score 17239

Connectivity

Connectivity specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
2G network GSM 850/900/1800/1900MHz
3G network WCDMA 1/2/4/5/6/8/19
4G network LTE 1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/32/66/71
5G support Yes Yes
Bluetooth features LE LE
Bluetooth version 6.0 5.4
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 Depends on the region
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 Redmi Note 15 Pro Plus 5G
Advanced cooling Vapor chamber
Colors White, Green, Orange White, Black, Blue, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Frame material Metal Metal
Height 163.16 mm (6.42 inches) 163.34 mm (6.43 inches)
Rear material Glass Eco-leather
Thickness 8.65 mm (0.34 inches) 7.91 mm (0.31 inches)
Waterproof IP69 IP69
Weight 235 g (8.29 oz) 207 g (7.3 oz)
Width 76.97 mm (3.03 inches) 78.31 mm (3.08 inches)
Drop resistance Excellent (A) · 270 drops
Repairability Average (2.63/5)

Display

Display specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Aspect ratio 19.8:9 19.5:9
Contrast ∞ 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 1400 nits
Max rated brightness in HDR 3600 nits 3200 nits
PPI 510 ppi 447 ppi
PWM 90 Hz
RGB color space 99.5%
Refresh rate 144 Hz 120 Hz
Resolution 1440 x 3168 pixels 1280 x 2772 pixels
Response time 1 ms
Screen protection Gorilla Glass Victus 2 Corning Gorilla Glass Victus 2
Screen-to-body ratio 90% 89.5%
Size 6.82 inches 6.83 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 Redmi Note 15 Pro Plus 5G
Bokeh 185
Samples Photo samples of Oppo Find X9 Ultra from DxOMark

Main camera

Main camera specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
1080p video recording Up to 240FPS Up to 60FPS
4K video recording Up to 120FPS Up to 30FPS
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
Flash LED LED
Focal length 23 mm 23 mm
Image resolution 16320 x 12240 200 MP
Lenses 1) Standard: 200 MP2) Telephoto: 200 MP3) Telephoto: 50 MP4) Ultrawide: 50 MP 1) Standard: 200 MP2) Ultrawide: 8 MP
Matrix 200 megapixels 200 megapixels
Pixel size 0.7 micron 0.56 micron
Sensor Sony LYTIA-901 Omnivision OV32D
Sensor size 1/1.12" (≈ 0.89 inch) 1/1.4" (≈ 0.71 inch)
Slow motion 480 FPS (720p) 240 FPS (720p)
Stabilization Optical Optical
Zoom Optical, 10x Digital

Memory

Memory specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
Channels 4 2
Memory card No No
Memory clock 5300 MHz 2133 MHz
Memory type LPDDR5X LPDDR4X
RAM size 12 GB 8 GB
Storage size 256 GB 256 GB
Storage type UFS 4.1 UFS 2.2

Other

Other specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
Announced April 2026 December 2025
Bundled charger Not included
Category Flagship Mid-range
Launch price (MSRP) $1299
Release date May 2026 December 2025
Sensors - Proximity sensor- Gyroscope- Accelerometer- Ambient light sensor- Compass- Fingerprint - Proximity sensor- Gyroscope- Accelerometer- Ambient light sensor- Compass- Fingerprint

Performance

Performance specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
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: Kryo Silver (Cortex-A520)- 3 cores at 2.4 GHz: Kryo Gold (Cortex-A720)- 1 core at 2.7 GHz: Kryo Prime (Cortex-A720)
CPU cores 8 (2 + 6) 8 (1 + 3 + 4)
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 7s Gen 4
FLOPS ~3686.4 GFLOPS ~458.2 GFLOPS
GPU clock 1200 MHz 895 MHz
GPU shading units 1536 256
Graphics Adreno 840 Adreno 810
L3 cache 12 MB
Lithography process 3 nanometers 4 nanometers
Manufacturing TSMC TSMC
Max clock 4600 MHz 2700 MHz
Neural processor (NPU) Hexagon Yes

Recent User Tests

Recent User Tests specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
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
📘 2026-03-10(Rennsport) GeekBench GPU
📘 2026-04-19(Zayyan1803) AnTuTu
📘 2026-04-20(Bomi) AnTuTu
📘 2026-06-17(Bomi) AnTuTu
📘 2026-07-05->Weedsmoker13 Battery life
📘 2026-07-08(Ethab) GeekBench CPU
📘 2026-07-21(Bomi) AnTuTu

Selfie camera

Selfie camera specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
Depth sensor (TOF 3D) No No
Megapixels 50 megapixels 32 megapixels
Video resolution 2160p (4K) at 60 FPS 1080p (Full HD) at 60 FPS
Sensor Sony LYTIA-901 Omnivision OV32D

Software

Software specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
OS size 31.6 GB
OS updates 5 years 5 years
Operating system Android 16 Android 15
ROM ColorOS 16 HyperOS 2.0
Security updates 6 years

Sound

Sound specifications comparison
Specification Oppo Find X9 Ultra Xiaomi Redmi Note 15 Pro Plus 5G
Dolby Atmos No Yes
FM radio No No
Headphone audio jack No No
Speakers Stereo Stereo

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