| Global Score | |
| 72.1 | 91.8 |
| Basic Information | |
| Alcatel | Samsung |
| Windows 10 Mobile | Android 11 |
| 2016-11-10 | 2021-01-29 |
| 6.05 x 2.97 x 0.28 inches | 5.97 x 2.80 x 0.31 inches |
| 5.36 ounces | 6.03 ounces |
| Black | Gray, Phantom pink, Violet and White |
| Glass and Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 5.5 inches | 6.2 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 401 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 820 MSM8996 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo, 64-bit (Quad-Core 2150 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 530 GPU | Adreno 660 GPU |
| 8.91 | 9.63 |
| 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 + 10.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.42 inches (1/2.4") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.12 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Galaxy S21 is a lot better than the Alcatel Idol 4S with Windows, getting a global score of 91.8 against 72.1. Galaxy S21's body is noticeably newer than the Alcatel Idol 4S with Windows's, but it is somewhat heavier and just a bit thicker. Galaxy S21 counts with Android 11 OS, and Alcatel Idol 4S with Windows has Windows 10 Mobile OS.
The Galaxy S21 features a more vivid screen than Alcatel Idol 4S with Windows, because it has a bit larger display, a slightly better 1080 x 2400 resolution and a bit more pixels per inch of display. The Alcatel Idol 4S with Windows features a quite bigger storage capacity to install games and applications than Galaxy S21, because although it has only 64 GB internal storage capacity, it also counts with an external SD slot that holds a maximum of 512 GB.
Galaxy S21 has a bit better hardware performance than Alcatel Idol 4S with Windows, because it has a higher amount of RAM and a higher number of cores. The Galaxy S21 has superior battery lifetime than Alcatel Idol 4S with Windows, because it has a 4000mAh battery size against 3000mAh. Galaxy S21 counts with a little bit better camera than Alcatel Idol 4S with Windows, because although it has a much less mega pixels resolution camera in the back, it also counts with a much better 7680x4320 video definition, a much larger camera sensor providing a way better image quality and a bigger aperture.
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