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- X100 Ultra vs 15
Vivo X100 Ultra vs Xiaomi 15
What X100 Ultra does better (9) and where 15 wins (16) — every spec side by side.
vs
9.0Display8.9
8.7Performance9.2
9.7Camera9.2
7.8Battery9.1
9.7Features9.5
Dimensions
Size comparison
X100 Ultra15
| X100 Ultra | 15 | Difference | |
|---|---|---|---|
| Height | 164.1 mm | 152.3 mm | +11.8 mm |
| Width | 75.6 mm | 71.2 mm | +4.4 mm |
| Thickness | 9.2 mm | 8.1 mm | +1.1 mm |
| Weight | 229 g | 192 g | +37 g |
Drawn to the same scale from the official dimensions (front and side).
Why is X100 Ultra better than 15?
- Battery capacity5,500 mAh vs 5,240 mAh+5%
- Optical zoom3.7× vs 2.6×+42%
- 4K video frame rate120 fps vs 60 fps2×
- Measured brightness1,801 nits vs 1,517 nits+19%
- Water resistance (IPx)IPx9 vs IPx8+12%
- Pixel density517 ppi vs 460 ppi+12%
- Screen size6.8″ vs 6.4″+7%
- Selfie camera50 MP vs 32 MP+56%
- Resolution (width)1,440 px vs 1,200 px+20%
Why is 15 better than X100 Ultra?
- Refresh rate120 Hz vs 920 Hz7.7×
- Geekbench 6 (multi-core)6,311 vs 9,419+49%
- AnTuTu score2,152,790 vs 2,534,638+18%
- Active use (test)12.9 h vs 16.5 h+28%
- Wired charging80 W vs 90 W+12%
- CPU frequency3.3 GHz vs 4.32 GHz+31%
- 3DMark Wild Life Extreme4,934 vs 5,980+21%
- eSIMNo · X100 Ultra: Yes
- Weight229 g vs 192 g+19%
- Peak brightness3,000 nits vs 3,200 nits+7%
- Wireless charging power30 W vs 50 W+67%
- Rear cameras2 vs 3+50%
Specifications
Side by side
| Design | ||
| Weight | 229 g | 192 g |
| Thickness | 9.2 mm | 8.1 mm |
| Height | 164.1 mm | 152.3 mm |
| Width | 75.6 mm | 71.2 mm |
| Frame | Aluminium | Aluminium |
| Back | Glass | Glass |
| Ingress protection | IP69 | IP68 |
| Water resistance (IPx) | IPx9 | IPx8 |
| Glass protection | — | Xiaomi Shield Glass |
| Colours | Titanium, White, Grey | Black, White, Liquid Silver, Green, Lilac |
| Display | ||
| Screen size | 6.8″ | 6.4″ |
| Panel | LTPO AMOLED | LTPO AMOLED |
| OLED panel | Yes | Yes |
| LTPO (adaptive 1–120 Hz) | Yes | Yes |
| Resolution (width) | 1,440 px | 1,200 px |
| Resolution (height) | 3,200 px | 2,670 px |
| Pixel density | 517 ppi | 460 ppi |
| Refresh rate | 120 Hz | 920 Hz |
| Peak brightness | 3,000 nits | 3,200 nits |
| Measured brightness | 1,801 nits | 1,517 nits |
| Screen-to-body ratio | 89.8% | 90% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Qualcomm SM8650-AB Snapdragon 8 Gen 3 | Qualcomm SM8750-AB Snapdragon 8 Elite |
| Chip maker | Qualcomm | Qualcomm |
| Process | 4 nm | 3 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 3.3 GHz | 4.32 GHz |
| GPU | Adreno 750 | Adreno 830 |
| AnTuTu score | 2,152,790 | 2,534,638 |
| Geekbench 6 (multi-core) | 6,311 | 9,419 |
| 3DMark Wild Life Extreme | 4,934 | 5,980 |
| Memory | ||
| RAM | 16 GB | 16 GB |
| Storage (max) | 1,024 GB | 1,024 GB |
| Storage (base) | 256 GB | 256 GB |
| Storage type | UFS 4.0 | UFS 4.0 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.6 |
| Main sensor size | 1/0.98" | 1/1.31" |
| Rear cameras | 2 | 3 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 3.7× | 2.6× |
| Max video | 8K | 8K |
| 4K video frame rate | 120 fps | 60 fps |
| Selfie camera | 50 MP | 32 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 5,500 mAh | 5,240 mAh |
| Battery type | Si/C | Si/C |
| Active use (test) | 12.9 h | 16.5 h |
| Wired charging | 80 W | 90 W |
| Charged in 30 min | 65% | 83% |
| Wireless charging | Yes | Yes |
| Wireless charging power | 30 W | 50 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 | 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 | USB Type-C 3.2 |
| 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 |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -26.2 LUFS | -25.7 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) | — | 0.99 W/kg |
| Software | ||
| OS at launch | Android 14 | Android 15 |
| Platform | Android | Android |
| Interface | OriginOS 5 | HyperOS 2 |
| Major OS updates promised | — | 4 |
| EU label | ||
| Energy class | — | A |
| Battery charge cycles | — | 1,000 |
| Endurance per cycle | — | 63 h |
| Repairability class | — | C |
| Drop resistance class | — | C |
