Oppo Find X9 Ultra vs Xiaomi Redmi Note 15 Pro 4G
[ 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 4G (62/100), offering superior measured performance and technical specifications.
Benchmark Performance Comparison
Normalized Lab Scores| Benchmark | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Gaming | 96.0 Excellent WINNER | 13.0 Poor |
| NanoReview Score | 96.0 Excellent WINNER | 62.0 Average |
| Performance | 99.0 Excellent WINNER | 33.0 Poor |
Detailed Technical Specifications
Battery
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Battery type | Silicon-Carbon (Si/C) | Silicon-Carbon (Si/C) |
| Bypass charging | Yes | No |
| Capacity | 7050 mAh | 6500 mAh |
| Fast charging | Yes (75% in 30 min) | Yes (50% in 30 min) |
| Full charging time | 0:45 hr | 1:20 hr |
| Gaming | 08:23 hr | — |
| Max charge power | 100 W | 45 W |
| Replaceable | No | No |
| Reverse charging | Yes, (wireless) | Yes |
| Standby | 144 hr | — |
| Watching video | 26:15 hr | — |
| Web browsing | 16:45 hr | — |
| Wireless charging | Yes (50 W) | No |
| Battery cycles | — | 1000 cycles |
Benchmarks
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| CPU | 1184661 | 198259 |
| Compute Score (GPU) | 27916 | 1409 |
| GPU | 1577144 | 48862 |
| Memory | 509054 | 166896 |
| Multi-core score | 10744 | 1975 |
| Single-core score | 3536 | 727 |
| Total score | 4231988 | 591254 |
| UX | 961129 | 177237 |
Connectivity
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| 2G network | GSM 850/900/1800/1900MHz | GSM 850 900 1800 1900MHz |
| 3G network | WCDMA 1/2/4/5/6/8/19 | WCDMA 1/2/4/5/8/6/19 |
| 4G network | LTE 1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/32/66/71 | LTE 1/2/3/4/5/7/8/12/13/17/18/19/20/26/28/66 |
| 5G support | Yes | No |
| Bluetooth features | LE | LE |
| Bluetooth version | 6.0 | 5.3 |
| 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 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/ax) |
| eSIM support* | Yes | No |
Design and build
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Advanced cooling | Vapor chamber | — |
| Colors | White, Green, Orange | Black, Gray, Blue |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
| Frame material | Metal | Plastic |
| Height | 163.16 mm (6.42 inches) | 163.22 mm (6.43 inches) |
| Rear material | Glass | Plastic |
| Thickness | 8.65 mm (0.34 inches) | 7.96 mm (0.31 inches) |
| Waterproof | IP69 | IP65 |
| Weight | 235 g (8.29 oz) | 195 g (6.88 oz) |
| Width | 76.97 mm (3.03 inches) | 76.29 mm (3 inches) |
| Drop resistance | — | Excellent (A) · 270 drops |
| Repairability | — | Average (2.63/5) |
Display
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Adaptive refresh rate | Yes (1-120 Hz) | Yes (60-120 Hz) |
| Aspect ratio | 19.8:9 | 19.9:9 |
| Contrast | ∞ Infinity | ∞ Infinity |
| Display features | - DCI-P3- Always-On Display- DC Dimming | - DCI-P3- Always-On Display- DC Dimming |
| HDR support | Yes, Dolby Vision | No |
| Max rated brightness | 1800 nits | 3200 nits |
| Max rated brightness in HDR | 3600 nits | — |
| PPI | 510 ppi | 388 ppi |
| PWM | 90 Hz | 120 Hz |
| RGB color space | 99.5% | 98.2% |
| Refresh rate | 144 Hz | 120 Hz |
| Resolution | 1440 x 3168 pixels | 1080 x 2392 pixels |
| Response time | 1 ms | 1 ms |
| Screen protection | Gorilla Glass Victus 2 | Corning Gorilla Glass Victus 2 |
| Screen-to-body ratio | 90% | 89.2% |
| Size | 6.82 inches | 6.77 inches |
| Touch sampling rate | 300 Hz | 240 Hz |
| Type | AMOLED | AMOLED |
DxOMark main camera tests
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Bokeh | 185 | — |
| Samples | Photo samples of Oppo Find X9 Ultra from DxOMark | — |
Main camera
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| 1080p video recording | Up to 240FPS | Up to 60FPS |
| 4K video recording | Up to 120FPS | No |
| 8K video recording | Up to 30FPS | No |
| Angle of widest lens | 120° | 120° |
| Aperture | f/1.5 | f/2.2 |
| 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 | CMOS |
| Sensor size | 1/1.12" (≈ 0.89 inch) | 1/1.4" (≈ 0.71 inch) |
| Slow motion | 480 FPS (720p) | — |
| Stabilization | Optical | Optical |
| Zoom | Optical, 10x | Digital |
Memory
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Channels | 4 | 2 |
| Memory card | No | MicroSD |
| 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 |
| Memory card max size | — | Up to 1024 GB |
Other
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Announced | April 2026 | December 2025 |
| Bundled charger | Not included | Yes, 45 W |
| Category | Flagship | Mid-range |
| Launch price (MSRP) | $1299 | $349 |
| 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
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Architecture | - 6 cores at 3.63 GHz: Oryon Gen 3 Performance- 2 cores at 4.61 GHz: Oryon Gen 3 Prime | - 6 cores at 2 GHz: Cortex-A55- 2 cores at 2.2 GHz: Cortex-A76 |
| CPU cores | 8 (2 + 6) | 8 (2 + 6) |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Helio G200 Ultra |
| FLOPS | ~3686.4 GFLOPS | ~140.8 GFLOPS |
| GPU clock | 1200 MHz | 1100 MHz |
| GPU shading units | 1536 | 64 |
| Graphics | Adreno 840 | Mali-G57 MP2 |
| L3 cache | 12 MB | — |
| Lithography process | 3 nanometers | 6 nanometers |
| Manufacturing | TSMC | TSMC |
| Max clock | 4600 MHz | 2500 MHz |
| Neural processor (NPU) | Hexagon | Yes |
Recent User Tests
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Date | Benchmark | — |
| 📘 2026-07-05(ak26ru) | AnTuTu | — |
| 📘 2026-07-15(IlyaLub) | AnTuTu | — |
| 📘 2026-07-19(KY.w) | GeekBench GPU | — |
| 📘 2026-07-21(IlyaLub) | AnTuTu | — |
Selfie camera
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Depth sensor (TOF 3D) | No | No |
| Megapixels | 50 megapixels | 32 megapixels |
| Video resolution | 2160p (4K) at 60 FPS | 1080p (Full HD) at 30 FPS |
| Sensor | Sony LYTIA-901 | CMOS |
Software
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| 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
| Specification | Oppo Find X9 Ultra | Xiaomi Redmi Note 15 Pro 4G |
|---|---|---|
| Dolby Atmos | No | Yes |
| FM radio | No | No |
| Headphone audio jack | No | No |
| Speakers | Stereo | Stereo |
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