| Global Score | |
| 74.8 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 4.3, 4.1.2, 4.1.1, 4.0.4 | Android 11 |
| 2012-05-03 | 2021-05-27 |
| 5.38 x 2.78 x 0.34 inches | 6.23 x 2.96 x 0.33 inches |
| 4.69 ounces | 6.70 ounces |
| Black, Blue, Brown, Gray, Pink, Red and White | Moonlight White, Neptune Blue and Space Black, |
| Plastic | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 195.00 | -- |
| Display / Screen | |
| 4.8 inches | 6.3 inches |
| 720 x 1280 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 306 pixels per inch | 409 pixels per inch |
| 300 cd/m2 brightness | -- |
| Capacitive, Multi-touch | No touch screen |
| 8.6 | 8.1 |
| Performance | |
| Samsung Exynos 4 (4412) chipset | MediaTek Helio G85 MT6769Z chipset |
| ARM Cortex-A9 (Quad-Core 1400 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 2 GB RAM | 4 GB RAM |
| ARM Mali-400 MP4 (Quad-Core 266 MHz) GPU | Mali G52 MC2 GPU |
| 9 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 7.56 | 10.02 |
| Camera | |
| 8.00 MP + 1.90 MP | 48.00 MP + 13.00 MP |
| f/2.60 aperture | f/1.80 aperture |
| 0.33 inches (1/3") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 8.47 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Micro SIM | Nano SIM |
| 7 | 6.6 |
| Battery Life | |
| 2100mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 580 hours standby time 16 hours talk time | -- |
| 4 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Xiaomi Redmi Note 8 2021 has an overall score of 76.7, which is a bit better than the Galaxy S III's 74.8 global score. The Xiaomi Redmi Note 8 2021 body is notably newer and a little bit thinner, but also extremely heavier than the Galaxy S III. Both devices in this review work with Android operating system, but Xiaomi Redmi Note 8 2021 has a newer 11 version and Galaxy S III has Android 4.3.
The Galaxy S III has a bit sharper display than Xiaomi Redmi Note 8 2021, although it has a much smaller display, a way lower display density and a way worse 1280 x 720 resolution. Xiaomi Redmi Note 8 2021 features much more storage for apps and games than Galaxy S III, because it has a SD card slot that supports a maximum of 128 GB and 64 GB internal memory.
Xiaomi Redmi Note 8 2021 has a bit more powerful CPU than Galaxy S III, because although it has doesn't have an extra graphics processor, it also counts with a higher number of cores and a greater amount of RAM memory. Xiaomi Redmi Note 8 2021 has a greater camera than Galaxy S III, and although they both have the same video frame rate and the same (Full HD) video quality, the Xiaomi Redmi Note 8 2021 also has a back camera with lot more mega-pixels, a lot larger camera sensor and a much larger diafragm aperture to capture better low light captures.
Xiaomi Redmi Note 8 2021 has a much longer battery performance than Samsung Galaxy S III, because it has a 90 percent greater battery size.
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