Compare phones
| Global Score | |
| 83.3 | 78 |
| Basic Information | |
| Samsung | Xiaomi |
| 2018-03-16 | 2018-07-27 |
| 5.81 x 2.70 x 0.33 inches | 6.25 x 2.97 x 0.29 inches |
| 5.75 ounces | 5.93 ounces |
| Burgundy red, Coral blue, Ice blue, Lilac purple, Midnight black, Sunrise gold and Titanium gray | Black, Blue, Gold, Pink and Red |
| Aluminum and Glass (Corning Gorilla Glass 5) | Aluminum |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 158.00 | -- |
| Display / Screen | |
| 5.8 inches | 6 inches |
| 2960 x 1440 pixels | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 568 pixels per inch | 402 pixels per inch |
| No touch screen | No touch screen |
| 8.9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 630 GPU | Adreno 512 GPU |
| 9.54 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 11.34 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 12.00 MP + 20.00 MP |
| f/1.50 aperture | f/1.80 aperture |
| 0.39 inches (1/2.55") sensor | 0.34 inches (1/2.9") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.23 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 3010mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy S9 has an overall score of 83.3, which is just a bit better than Xiaomi Mi A2's global score of 78. Even though the Samsung Galaxy S9 and Xiaomi Mi A2 were only released 4 months apart, the Samsung Galaxy S9 construction is just a bit lighter but also thicker than Xiaomi Mi A2. The Galaxy S9 has a little faster processor than Xiaomi Mi A2, although it has a lower amount of RAM, they both have a Octa-Core CPU.
Samsung Galaxy S9 has a little bit better screen than Xiaomi Mi A2, because although it has a little smaller screen, it also counts with a greater pixels number per display inch and a higher 1440 x 2960px resolution. The Samsung Galaxy S9 shoots a bit better photographs and videos than Xiaomi Mi A2, and although they both have a camera with a 12 mega-pixels resolution and the same 3840x2160 video quality, the Samsung Galaxy S9 also has better video frame rates, a larger sensor and a bigger camera aperture for better photos and videos in low light situations.
The Samsung Galaxy S9 counts with a greater storage capacity for applications and games than Xiaomi Mi A2, because although it has 0 less internal storage, it also counts with a SD memory slot that allows up to 400 GB. Xiaomi Mi A2 counts with a battery performance that's just as good as the battery lifetime in Galaxy S9, although the Xiaomi Mi A2 also has 3010mAh of battery capacity.
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