Compare phones
| Global Score | |
| 72.1 | 78 |
| Basic Information | |
| Alcatel | Xiaomi |
| Windows 10 Mobile | -- |
| 2016-11-10 | 2018-07-27 |
| 6.05 x 2.97 x 0.28 inches | 6.25 x 2.97 x 0.29 inches |
| 5.36 ounces | 5.93 ounces |
| Black | Black, Blue, Gold, Pink and Red |
| Glass and Metal | Aluminum |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6 inches |
| 1920 x 1080 pixels (Full HD) | 2160 x 1080 pixels |
| AMOLED | IPS LCD |
| 401 pixels per inch | 402 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 820 MSM8996 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Kryo, 64-bit (Quad-Core 2150 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 530 GPU | Adreno 512 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 21.00 MP + 8.00 MP | 12.00 MP + 20.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 0.42 inches (1/2.4") sensor | 0.34 inches (1/2.9") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.12 | 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 |
| 4.96 | 4.96 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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 |
Comparison review
The Xiaomi Mi A2 is a little bit better than Alcatel Idol 4S with Windows, with a global score of 78 against 72.1. Even though the Xiaomi Mi A2 is newer than the Alcatel Idol 4S with Windows, it's a little heavier and a little bit thicker. The Xiaomi Mi A2 has a little sharper screen than Alcatel Idol 4S with Windows, because it has a little larger screen, a just a little higher pixels number per screen inch and a quite better resolution of 1080 x 2160px.
The Alcatel Idol 4S with Windows has a greater memory for apps and games than Xiaomi Mi A2, because although it has only 64 GB internal storage, it also counts with a slot for SD memory cards that holds a maximum of 512 GB. The Xiaomi Mi A2 has a bit better hardware performance than Alcatel Idol 4S with Windows, because it has more RAM memory and a greater number of cores (and they are faster).
The Alcatel Idol 4S with Windows shoots a little bit better photographs and videos than Xiaomi Mi A2, because although it has a smaller aperture, and they both have the same 3840x2160 video definition and the same 30 fps video frame rate, the Alcatel Idol 4S with Windows also counts with a larger camera sensor capturing more light and vivid colors and a back-facing camera with a lot better resolution.
The Xiaomi Mi A2's battery life is just as good as the battery lifetime in Alcatel Idol 4S with Windows, although the Xiaomi Mi A2 also has a 0 percent greater battery size.
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