Compare phones
| Global Score | |
| 72.7 | 78 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | -- |
| 2018-06-29 | 2018-07-27 |
| 6.03 x 3.00 x 0.34 inches | 6.25 x 2.97 x 0.29 inches |
| 6.38 ounces | 5.93 ounces |
| 16 777 216 | Black, Blue, Gold, Pink and Red |
| -- | Aluminum |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6 inches |
| 1280 x 720 pixels (HD) | 2160 x 1080 pixels |
| TFT | IPS LCD |
| 267 pixels per inch | 402 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 2 GB RAM | 6 GB RAM |
| Mali-T830 MP1 GPU | Adreno 512 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 12.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.34 inches (1/2.9") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.13 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 6.3 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 3010mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 4.96 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Mi A2 has a score of 78, which is just a bit better than the Galaxy J7 Refine's 72.7 general score. The Xiaomi Mi A2 is a thinner and just a bit lighter device than Galaxy J7 Refine, although they were released with only a couple months difference. Xiaomi Mi A2 features a little better hardware performance than Galaxy J7 Refine, and although they both have 8 cores, the Xiaomi Mi A2 also has 4 GB more RAM.
The Xiaomi Mi A2 features a much better looking display than Galaxy J7 Refine, because it has a little bit larger display, a lot better display pixels density and a lot higher resolution of 1080 x 2160px. The Xiaomi Mi A2 has slightly more storage for applications and games than Samsung Galaxy J7 Refine, because although it has no slot for external memory cards, it also counts with 96 GB more internal storage.
Galaxy J7 Refine counts with a little better battery lifetime than Xiaomi Mi A2, because it has 3300mAh of battery capacity instead of 3010mAh. The Xiaomi Mi A2 counts with a bit better camera than Galaxy J7 Refine, because although it has a smaller aperture and a lesser mega-pixels resolution back camera, it also counts with a way higher 3840x2160 video resolution and a larger back camera sensor providing a higher image quality.
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