| Global Score | |
| 76.3 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 4.4.4 | Android 11 |
| -- | 2021-05-27 |
| 5.21 x 2.58 x 0.26 inches | 6.23 x 2.96 x 0.33 inches |
| 4.06 ounces | 6.70 ounces |
| Black, Blue, Gold, Gray and White | Moonlight White, Neptune Blue and Space Black, |
| -- | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 320.00 | -- |
| Display / Screen | |
| 4.7 inches | 6.3 inches |
| 720 x 1280 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 312 pixels per inch | 409 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 801 chipset | MediaTek Helio G85 MT6769Z chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 2 GB (933 MHz) RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali G52 MC2 GPU |
| 9.36 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 5.8 | 10.02 |
| Camera | |
| 12.00 MP + 2.10 MP | 48.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 31.00mm focal length | -- |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.46 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM | Nano SIM |
| 7 | 6.6 |
| Battery Life | |
| 1860mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 11 hours talk time | -- |
| 3.76 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.2 |
| 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 |
The Xiaomi Redmi Note 8 2021 has a score of 76.7, which is a little bit better than Samsung Galaxy Alpha's 76.3 overall score. Both phones in this comparison review have Android OS (operating system), but the Xiaomi Redmi Note 8 2021 has older 11 version while Samsung Galaxy Alpha has Android 4.4.4. The Xiaomi Redmi Note 8 2021 is a noticeably thicker and noticeably heavier device than the Samsung Galaxy Alpha.
Samsung Galaxy Alpha counts with a bit better display than Xiaomi Redmi Note 8 2021, although it has a little worse screen density, a lot lower 1280 x 720 resolution and a much smaller screen. Galaxy Alpha counts with a bit better processing power than Xiaomi Redmi Note 8 2021, because although it has 4 lesser processing cores and 2 GB less RAM, it also counts with an extra graphics co-processor.
Xiaomi Redmi Note 8 2021 captures much better photographs and videos than Samsung Galaxy Alpha, and although they both have the same video frame rates and the same 1920x1080 video resolution, the Xiaomi Redmi Note 8 2021 also has a bigger camera aperture and a way more mega pixels camera in the back.
The Xiaomi Redmi Note 8 2021 has a much bigger storage for apps and games than Galaxy Alpha, because it has a slot for an external memory card that admits a maximum of 128 GB and 64 GB internal storage. The Xiaomi Redmi Note 8 2021 counts with a superior battery duration than Samsung Galaxy Alpha, because it has a 4000mAh battery size.
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