- android.gs
- Compare
- Galaxy A9 2018 vs Mi 9
Samsung Galaxy A9 2018 vs Xiaomi Mi 9
What Galaxy A9 2018 does better (6) and where Mi 9 wins (10) — every spec side by side.
vs
5.0Display5.7
4.3Camera5.7
2.6Battery3.9
5.0Features5.0
Dimensions
Size comparison
Galaxy A9 2018Mi 9
| Galaxy A9 2018 | Mi 9 | Difference | |
|---|---|---|---|
| Height | 162.5 mm | 157.5 mm | +5 mm |
| Width | 77 mm | 74.7 mm | +2.3 mm |
| Thickness | 7.8 mm | 7.6 mm | +0.2 mm |
| Weight | 183 g | 173 g | +10 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A9 2018 better than Mi 9?
- Battery capacity3,720 mAh vs 3,300 mAh+13%
- Storage (base)128 GB vs 64 GB2×
- Memory card slotYes · Mi 9: No
- Dual SIMYes · Mi 9: No
- Rear cameras4 vs 3+33%
- Selfie camera24 MP vs 20 MP+20%
Why is Mi 9 better than Galaxy A9 2018?
- Main camera24 MP vs 48 MP2×
- Storage (max)128 GB vs 256 GB2×
- Wireless chargingNo · Galaxy A9 2018: Yes
- Peak brightness380 nits vs 600 nits+58%
- CPU frequency2.2 GHz vs 2.84 GHz+29%
- 4K video frame rate30 fps vs 60 fps2×
- Weight183 g vs 173 g+6%
- Pixel density392 ppi vs 403 ppi+3%
- Screen-to-body ratio80.1% vs 90.7%+13%
- Thickness7.8 mm vs 7.6 mm+2%
Specifications
Side by side
| Design | ||
| Weight | 183 g | 173 g |
| Thickness | 7.8 mm | 7.6 mm |
| Height | 162.5 mm | 157.5 mm |
| Width | 77 mm | 74.7 mm |
| Back | Glass | Glass |
| Glass protection | — | Gorilla Glass 6 |
| Colours | — | Black, Blue, Purple |
| Display | ||
| Screen size | 6.3″ | 6.4″ |
| Panel | AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,220 px | 2,340 px |
| Pixel density | 392 ppi | 403 ppi |
| Refresh rate | — | 60 Hz |
| Peak brightness | 380 nits | 600 nits |
| Measured brightness | — | 615 nits |
| Screen-to-body ratio | 80.1% | 90.7% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 855 |
| Chip maker | Qualcomm | Qualcomm |
| Process | — | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.84 GHz |
| GPU | Adreno 512 | Adreno 640 |
| AnTuTu score | — | 786,843 |
| Geekbench 6 (multi-core) | — | 2,929 |
| 3DMark Wild Life Extreme | — | 877 |
| Memory | ||
| RAM | 6 GB | 6 GB |
| Storage (max) | 128 GB | 256 GB |
| Storage (base) | 128 GB | 64 GB |
| Storage type | — | UFS 2.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 24 MP | 48 MP |
| Main camera aperture | — | f/1.8 |
| Main sensor size | — | 1/2" |
| Rear cameras | 4 | 3 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Optical zoom | 2× | 2× |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 60 fps |
| Selfie camera | 24 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,720 mAh | 3,300 mAh |
| Battery type | — | Li-Po |
| Wired charging | — | 27 W |
| Charged in 30 min | — | 50% |
| Wireless charging | No | Yes |
| Wireless charging power | — | 20 W |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | No |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | — | USB Type-C |
| USB version | 2 | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GPS, GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | — | No |
| Fingerprint sensor | Rear | Under display |
| Barometer | — | Yes |
| Sensors | proximity, accelerometer, gyro, compass, fingerprint | proximity, accelerometer, gyro, light, compass, fingerprint |
| SAR (head) | — | 1.39 W/kg |
| Software | ||
| OS at launch | Android 9.0 Pie | Android 9.0 Pie |
| Platform | Android | Android |
| Interface | Samsung Experience 9.0 | Miui V10 |





