Compare phones
| Global Score | |
| 73.5 | 78 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 7.0 Nougat | -- |
| 2017-07-01 | 2018-07-27 |
| 6.00 x 2.94 x 0.31 inches | 6.25 x 2.97 x 0.29 inches |
| 6.38 ounces | 5.93 ounces |
| Black, Gold, Rose gold and Silver | Black, Blue, Gold, Pink and Red |
| Aluminum | Aluminum |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6 inches |
| 1920 x 1080 pixels (Full HD) | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 401 pixels per inch | 402 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 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 |
| 3 GB RAM | 6 GB RAM |
| Mali-T830 MP2 GPU | Adreno 512 GPU |
| 8.73 | 9.27 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 7.48 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 12.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 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 |
| 9.02 | 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 3600mAh Battery | 3010mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 4.96 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Xiaomi Mi A2 is slightly better than the Galaxy J7 (2017), with a 78 score against 73.5. The Xiaomi Mi A2 construction is newer, just a bit thinner and just a little bit lighter than the Galaxy J7 (2017). Xiaomi Mi A2 has a little more vivid display than Galaxy J7 (2017), because it has a little larger screen, a little bit greater pixels amount per screen inch and a bit higher 1080 x 2160 pixels resolution.
Xiaomi Mi A2 counts with a little better processing power than Galaxy J7 (2017), and although they both have the same number of cores, the Xiaomi Mi A2 also has a larger amount of RAM memory. The Xiaomi Mi A2 has a way bigger storage capacity for games and applications than Galaxy J7 (2017), because although it has no slot for SD memory cards, it also counts with 128 GB internal memory.
The Xiaomi Mi A2 features a bit better camera than Galaxy J7 (2017), because although it has a back-facing camera with a worse resolution and a smaller diafragm aperture, it also counts with a way better 3840x2160 (4K) video resolution. Galaxy J7 (2017) counts with longer battery life than Xiaomi Mi A2, because it has a 20% greater battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.