| Global Score | |
| 72.1 | 98.1 |
| Basic Information | |
| Alcatel | Samsung |
| Windows 10 Mobile | Android 11 |
| 2016-11-10 | 2021-01-29 |
| 6.05 x 2.97 x 0.28 inches | 6.50 x 2.98 x 0.35 inches |
| 5.36 ounces | 8.04 ounces |
| Black | Phantom black and Silver |
| Glass and Metal | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 5.5 inches | 6.8 inches |
| 1920 x 1080 pixels (Full HD) | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 401 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.8 |
| 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 | 12 GB RAM |
| Adreno 530 GPU | Adreno 660 GPU |
| 8.91 | 9.72 |
| 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 | 108.00 MP + 40.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.42 inches (1/2.4") sensor | 0.75 inches (1/1.33") 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 | 13.75 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.1 |
| 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 |
Galaxy S21 Ultra has a score of 98.1, which is a lot better than Alcatel Idol 4S with Windows's 72.1 general score. The Galaxy S21 Ultra design is newer, but somewhat thicker and way heavier than Alcatel Idol 4S with Windows. Galaxy S21 Ultra works with Android 11 OS, while Alcatel Idol 4S with Windows counts with Windows 10 Mobile OS.
Galaxy S21 Ultra counts with a little faster processor than Alcatel Idol 4S with Windows, because it has more RAM memory and a higher number of cores. The Samsung Galaxy S21 Ultra has an incredibly better looking display than Alcatel Idol 4S with Windows, because it has a larger screen, a much higher resolution of 1440 x 3200px and a greater amount of pixels per inch of screen.
Alcatel Idol 4S with Windows counts with a quite bigger storage for applications, games, photos and videos than Samsung Galaxy S21 Ultra, because although it has less internal storage, it also counts with a SD card slot that supports up to 512 GB. The Samsung Galaxy S21 Ultra has a much better battery performance than Alcatel Idol 4S with Windows, because it has 5000mAh of battery capacity against 3000mAh.
Galaxy S21 Ultra counts with a much better camera than Alcatel Idol 4S with Windows, because it has a camera in the back with way more megapixels, a way bigger back camera sensor providing a way higher image quality, a lot better video quality and a bigger camera aperture for better photography in low-light environments.
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