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- iQOO 15 vs 15 Ultra
Vivo iQOO 15 vs Xiaomi 15 Ultra
What iQOO 15 does better (11) and where 15 Ultra wins (9) — every spec side by side.
Dimensions
Size comparison
iQOO 1515 Ultra
| iQOO 15 | 15 Ultra | Difference | |
|---|---|---|---|
| Height | 163.7 mm | 161.3 mm | +2.4 mm |
| Width | 76.8 mm | 75.3 mm | +1.5 mm |
| Thickness | 8.1 mm | 9.4 mm | −1.3 mm |
| Weight | 215 g | 226 g | −11 g |
Drawn to the same scale from the official dimensions (front and side).
Why is iQOO 15 better than 15 Ultra?
- Battery capacity7,000 mAh vs 5,410 mAh+29%
- Peak brightness6,000 nits vs 3,200 nits+88%
- Active use (test)21.8 h vs 16.2 h+35%
- Refresh rate144 Hz vs 120 Hz+20%
- Wired charging100 W vs 90 W+11%
- Geekbench 6 (multi-core)10,466 vs 9,710+8%
- 3DMark Wild Life Extreme7,229 vs 5,626+28%
- Major OS updates promised5 vs 4+25%
- CPU frequency4.6 GHz vs 4.32 GHz+6%
- Weight215 g vs 226 g+5%
- Thickness8.1 mm vs 9.4 mm+16%
Why is 15 Ultra better than iQOO 15?
- Optical zoom3× vs 4.3×+43%
- Measured brightness1,313 nits vs 1,588 nits+21%
- 4K video frame rate60 fps vs 120 fps2×
- Wireless charging power40 W vs 80 W2×
- Pixel density508 ppi vs 522 ppi+3%
- Rear cameras3 vs 4+33%
- Charged in 30 min60% vs 72%+20%
- Main camera aperturef/1.9 vs f/1.6+19%
- Loudspeaker loudness-25 LUFS vs -24.1 LUFS+-4%
Specifications
Side by side
| Design | ||
| Weight | 215 g | 226 g |
| Thickness | 8.1 mm | 9.4 mm |
| Height | 163.7 mm | 161.3 mm |
| Width | 76.8 mm | 75.3 mm |
| Frame | Aluminium | Aluminium |
| Back | Glass | Silicone polymer |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | — | Xiaomi Shield Glass 2.0 |
| Colours | Alpha, Legend, Gray, Green, Blue, Apex | 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 | 508 ppi | 522 ppi |
| Refresh rate | 144 Hz | 120 Hz |
| Peak brightness | 6,000 nits | 3,200 nits |
| Measured brightness | 1,313 nits | 1,588 nits |
| Screen-to-body ratio | 90.7% | 89.7% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 | Qualcomm SM8750-AB Snapdragon 8 Elite |
| Chip maker | Qualcomm | Qualcomm |
| Process | 3 nm | 3 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 4.6 GHz | 4.32 GHz |
| GPU | Adreno 840 | Adreno 830 |
| AnTuTu score | 2,973,303 | 3,030,376 |
| Geekbench 6 (multi-core) | 10,466 | 9,710 |
| 3DMark Wild Life Extreme | 7,229 | 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/1.9 | f/1.6 |
| Main sensor size | 1/1.56" | 1" |
| Rear cameras | 3 | 4 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 3× | 4.3× |
| Max video | 8K | 8K |
| 4K video frame rate | 60 fps | 120 fps |
| Selfie camera | 32 MP | 32 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 7,000 mAh | 5,410 mAh |
| Battery type | Si/C | Si/C |
| Active use (test) | 21.8 h | 16.2 h |
| Wired charging | 100 W | 90 W |
| Charged in 30 min | 60% | 72% |
| Wireless charging | Yes | Yes |
| Wireless charging power | 40 W | 80 W |
| Reverse wireless charging | Yes | Yes |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | Yes | Yes |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6 | 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 |
| 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 | -25 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 16 | Android 15 |
| Platform | Android | Android |
| Interface | OriginOS 6 | HyperOS 3 |
| Major OS updates promised | 5 | 4 |
| EU label | ||
| Energy class | — | A |
| Battery charge cycles | — | 1,000 |
| Endurance per cycle | — | 59 h |
| Repairability class | — | C |
| Drop resistance class | — | C |
