Compare phones
| Global Score | |
| 74.6 | 78 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | -- |
| -- | 2018-07-27 |
| 6.04 x 3.04 x 0.32 inches | 6.25 x 2.97 x 0.29 inches |
| 6.14 ounces | 5.93 ounces |
| 16 777 216 | Black, Blue, Gold, Pink and Red |
| Plastic | Aluminum |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6 inches |
| 1280 x 720 pixels (HD) | 2160 x 1080 pixels |
| Super AMOLED | 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 |
| 4 GB RAM | 6 GB RAM |
| ARM Mali-G71 GPU | Adreno 512 GPU |
| 8.82 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 8.88 | 10.1 |
| Camera | |
| 13.00 MP + 8.00 MP | 12.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm 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 |
| 9.02 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.3 |
| Battery Life | |
| 3000mAh Battery | 3010mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Xiaomi Mi A2 is just a bit better than Samsung Galaxy J7 Duo, having a 78 score against 74.6. Xiaomi Mi A2 is a a little thinner and just a little bit lighter device than Samsung Galaxy J7 Duo. The Xiaomi Mi A2 has a better screen than Galaxy J7 Duo, because it has a bit larger display, a way better pixel amount per inch in the screen and a way better resolution of 1080 x 2160px.
The Xiaomi Mi A2 has a bit better processing power than Galaxy J7 Duo, 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 features a bit better camera than Samsung Galaxy J7 Duo, because although it has a lesser MP camera, it also counts with a bigger diafragm aperture to take better low-light captures, a bigger sensor which offers a better image and video quality and a lot higher 3840x2160 (4K) video quality.
The Xiaomi Mi A2 has a quite bigger memory capacity for apps and games than Samsung Galaxy J7 Duo, because although it has no SD extension slot, it also counts with 128 GB internal memory capacity. Samsung Galaxy J7 Duo and Xiaomi Mi A2 both have really similar batteries duration, although the Xiaomi Mi A2 also has a 3010mAh battery capacity instead of 3000mAh.
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