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- Signature vs 18 Pro Max
Motorola Signature vs Xiaomi 18 Pro Max
What Signature does better (8) and where 18 Pro Max wins (10) — every spec side by side.
vs
9.6Display9.6
9.1Performance9.8
9.5Camera9.8
9.1Battery9.7
9.8Features8.8
Dimensions
Size comparison
Signature18 Pro Max
| Signature | 18 Pro Max | Difference | |
|---|---|---|---|
| Height | 162.1 mm | 163.4 mm | −1.3 mm |
| Width | 76.4 mm | 77.6 mm | −1.2 mm |
| Thickness | 7 mm | 8.4 mm | −1.4 mm |
| Weight | 186 g | 235 g | −49 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Signature better than 18 Pro Max?
- Peak brightness6,200 nits vs 4,000 nits+55%
- Refresh rate165 Hz vs 160 Hz+3%
- Weight186 g vs 235 g+26%
- eSIMYes · 18 Pro Max: No
- Pixel density446 ppi vs 418 ppi+7%
- Thickness7 mm vs 8.4 mm+20%
- Main camera aperturef/1.6 vs f/1.7+6%
- Resolution (width)1,264 px vs 1,208 px+5%
Why is 18 Pro Max better than Signature?
- AnTuTu score2,381,753 vs 5,001,2342.1×
- Main camera50 MP vs 200 MP4×
- Battery capacity5,200 mAh vs 8,500 mAh+63%
- Geekbench 6 (multi-core)8,755 vs 11,459+31%
- Wired charging90 W vs 100 W+11%
- CPU frequency3.8 GHz vs 5.01 GHz+32%
- 4K video frame rate60 fps vs 120 fps2×
- Optical zoom3× vs 3.2×+7%
- Process3 nm vs 2 nm+50%
- USB version3.1 vs 3.2+3%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 235 g |
| Thickness | 7 mm | 8.4 mm |
| Height | 162.1 mm | 163.4 mm |
| Width | 76.4 mm | 77.6 mm |
| Frame | Aluminium | Aluminium |
| Back | — | Plastic |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Corning Gorilla Glass Victus 2 | Xiaomi Dragon Crystal Glass 3 |
| Colours | Pantone: Carbon, Martini Olive | Black, White, Pink, Red, Blue |
| Display | ||
| Screen size | 6.8″ | 6.9″ |
| Panel | LTPO AMOLED | LTPO AMOLED |
| OLED panel | Yes | Yes |
| LTPO (adaptive 1–120 Hz) | Yes | Yes |
| Resolution (width) | 1,264 px | 1,208 px |
| Resolution (height) | 2,780 px | 2,624 px |
| Pixel density | 446 ppi | 418 ppi |
| Refresh rate | 165 Hz | 160 Hz |
| Peak brightness | 6,200 nits | 4,000 nits |
| Measured brightness | 1,518 nits | — |
| Screen-to-body ratio | 92% | 91.6% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Qualcomm SM8845 Snapdragon 8 Gen 5 | Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 3 nm | 2 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 3.8 GHz | 5.01 GHz |
| GPU | Adreno 829 | Adreno 850 |
| AnTuTu score | 2,381,753 | 5,001,234 |
| Geekbench 6 (multi-core) | 8,755 | 11,459 |
| 3DMark Wild Life Extreme | 5,589 | — |
| 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 | 200 MP |
| Main camera aperture | f/1.6 | f/1.7 |
| Main sensor size | 1/1.28" | 1/1.28" |
| Rear cameras | 3 | 3 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 3× | 3.2× |
| Max video | 8K | 8K |
| 4K video frame rate | 60 fps | 120 fps |
| Selfie camera | 50 MP | 50 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 5,200 mAh | 8,500 mAh |
| Battery type | Si/C | Si/C |
| Active use (test) | 16.2 h | — |
| Wired charging | 90 W | 100 W |
| Charged in 30 min | 100% | — |
| Wireless charging | Yes | Yes |
| Wireless charging power | 50 W | 50 W |
| Reverse wireless charging | Yes | Yes |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | Yes | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6 | 6 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.1 Gen2 | USB Type-C 3.2 |
| USB version | 3.1 | 3.2 |
| Video output | Yes | Yes |
| Ultra Wideband | Yes | Yes |
| Infrared port | — | Yes |
| Dual-band GPS | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, NavIC | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -22.8 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 |
| Software | ||
| OS at launch | Android 16 | Android 17 |
| Platform | Android | Android |
| Interface | — | HyperOS 4 |
| Major OS updates promised | 7 | — |
| EU label | ||
| Energy class | A | — |
| Battery charge cycles | 1,200 | — |
| Endurance per cycle | 52 h | — |
| Repairability class | B | — |
| Drop resistance class | B | — |
