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- Find X8 Ultra vs 15 Ultra
OPPO Find X8 Ultra vs Xiaomi 15 Ultra
What Find X8 Ultra does better (6) and where 15 Ultra wins (11) — every spec side by side.
9.1Display9.0
9.3Performance9.4
9.8Camera9.7
9.4Battery9.3
9.3Features9.5
Dimensions
Size comparison
Find X8 Ultra15 Ultra
| Find X8 Ultra | 15 Ultra | Difference | |
|---|---|---|---|
| Height | 163.1 mm | 161.3 mm | +1.8 mm |
| Width | 76.8 mm | 75.3 mm | +1.5 mm |
| Thickness | 8.8 mm | 9.4 mm | −0.6 mm |
| Weight | 226 g | 226 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Find X8 Ultra better than 15 Ultra?
- Battery capacity6,100 mAh vs 5,410 mAh+13%
- Wired charging100 W vs 90 W+11%
- Optical zoom6× vs 4.3×+40%
- 3DMark Wild Life Extreme6,644 vs 5,626+18%
- Charged in 30 min100% vs 72%+39%
- Thickness8.8 mm vs 9.4 mm+7%
Why is 15 Ultra better than Find X8 Ultra?
- AnTuTu score2,710,432 vs 3,030,376+12%
- Measured brightness1,157 nits vs 1,588 nits+37%
- Geekbench 6 (multi-core)9,503 vs 9,710+2%
- Peak brightness2,500 nits vs 3,200 nits+28%
- Max video4K vs 8K
- eSIMNo · Find X8 Ultra: Yes
- Pixel density510 ppi vs 522 ppi+2%
- Wireless charging power50 W vs 80 W+60%
- Main camera aperturef/1.8 vs f/1.6+12%
- Bluetooth5.4 vs 6+11%
- Loudspeaker loudness-26.3 LUFS vs -24.1 LUFS+-8%
Specifications
Side by side
| Design | ||
| Weight | 226 g | 226 g |
| Thickness | 8.8 mm | 9.4 mm |
| Height | 163.1 mm | 161.3 mm |
| Width | 76.8 mm | 75.3 mm |
| Frame | — | Aluminium |
| Back | Glass | Silicone polymer |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Corning Gorilla Glass (unspecified version) | Xiaomi Shield Glass 2.0 |
| Colours | Matte Black, Pure White, Shell Pink | Black, White, Silver Chrome, Green |
| Display | ||
| Screen size | 6.8″ | 6.7″ |
| Panel | LTPO AMOLED | LTPO AMOLED |
| OLED panel | Yes | Yes |
| LTPO (adaptive 1–120 Hz) | Yes | Yes |
| Resolution (width) | 1,440 px | 1,440 px |
| Resolution (height) | 3,168 px | 3,200 px |
| Pixel density | 510 ppi | 522 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 2,500 nits | 3,200 nits |
| Measured brightness | 1,157 nits | 1,588 nits |
| Screen-to-body ratio | 90.2% | 89.7% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Qualcomm SM8750-AB Snapdragon 8 Elite | Qualcomm SM8750-AB Snapdragon 8 Elite |
| Chip maker | Qualcomm | Qualcomm |
| Process | 3 nm | 3 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 4.32 GHz | 4.32 GHz |
| GPU | Adreno 830 | Adreno 830 |
| AnTuTu score | 2,710,432 | 3,030,376 |
| Geekbench 6 (multi-core) | 9,503 | 9,710 |
| 3DMark Wild Life Extreme | 6,644 | 5,626 |
| Memory | ||
| RAM | 16 GB | 16 GB |
| Storage (max) | 1,024 GB | 1,024 GB |
| Storage (base) | 256 GB | 256 GB |
| Storage type | UFS 4.1 | UFS 4.1 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.6 |
| Main sensor size | 1" | 1" |
| Rear cameras | 4 | 4 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 6× | 4.3× |
| Max video | 4K | 8K |
| 4K video frame rate | 120 fps | 120 fps |
| Selfie camera | 32 MP | 32 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 6,100 mAh | 5,410 mAh |
| Battery type | Si/C | Si/C |
| Active use (test) | 16.3 h | 16.2 h |
| Wired charging | 100 W | 90 W |
| Charged in 30 min | 100% | 72% |
| Wireless charging | Yes | Yes |
| Wireless charging power | 50 W | 80 W |
| Reverse wireless charging | Yes | Yes |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | Yes |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 6 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 | USB Type-C 3.2 Gen 2 |
| USB version | 3.2 | 3.2 |
| Video output | Yes | Yes |
| Satellite messaging | Yes | Yes |
| Infrared port | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -26.3 LUFS | -24.1 LUFS |
| Fingerprint sensor | Under display, ultrasonic | Under display, ultrasonic |
| Barometer | — | Yes |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass | Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer |
| SAR (head) | — | 1 W/kg |
| Software | ||
| OS at launch | Android 15 | Android 15 |
| Platform | Android | Android |
| Interface | ColorOS 16 | HyperOS 3 |
| Major OS updates promised | — | 4 |
| EU label | ||
| Energy class | — | A |
| Battery charge cycles | — | 1,000 |
| Endurance per cycle | — | 59 h |
| Repairability class | — | C |
| Drop resistance class | — | C |









