| Global Score | |
| 76.7 | 79 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 4.4 |
| 2021-05-27 | 2013-03-14 |
| 6.23 x 2.96 x 0.33 inches | 5.38 x 2.75 x 0.31 inches |
| 6.70 ounces | 4.59 ounces |
| Moonlight White, Neptune Blue and Space Black, | Black, Blue, Red and White |
| Glass and Plastic | Polycarbonate |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 135.00 |
| Display / Screen | |
| 6.3 inches | 5 inches |
| 2340 x 1080 pixels | 1080 x 1920 pixels (Full HD) |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 441 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 9.1 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 600 APQ8064T chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Krait 300 (Quad-Core 1900 MHz) processor |
| 4 GB RAM | 2 GB (800 MHz) RAM |
| Mali G52 MC2 GPU | Adreno 320 (400 MHz) GPU |
| 9.09 | 9 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSD, microSDHC, microSDXC (up to 64 GB) external memory slot |
| 10.02 | 9.46 |
| Camera | |
| 48.00 MP + 13.00 MP | 13.00 MP + 2.00 MP |
| f/1.80 aperture | f/2.20 aperture |
| -- | 31.00mm focal length |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") 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 | -- |
| 11 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM | Micro SIM |
| 6.6 | 7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 2600mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | Wireless Charging |
| -- | 17 hours talk time |
| 5.92 | 4.56 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 4.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Galaxy S4 is a bit better than the Xiaomi Redmi Note 8 2021, getting a score of 79 against 76.7. These devices use Android OS (Operating System), but Galaxy S4 has older 4.4 version while Xiaomi Redmi Note 8 2021 has Android 11. The Galaxy S4 is an way older device than Xiaomi Redmi Note 8 2021, but Samsung was able to build it a little thinner and way lighter anyway.
The Xiaomi Redmi Note 8 2021 counts with just a bit better performance than Samsung Galaxy S4, because although it has doesn't have a graphics co-processor, it also counts with a larger amount of RAM and more processing cores. The Galaxy S4 counts with a much better display than Xiaomi Redmi Note 8 2021, because although it has a bit worse resolution of 1920 x 1080 pixels and a lot smaller display, it also counts with a little more pixels per screen inch.
The Xiaomi Redmi Note 8 2021 captures much clearer photographs and videos than Galaxy S4, and although they both have the same 30 frames per second video frame rates and the same 1920x1080 (Full HD) video resolution, the Xiaomi Redmi Note 8 2021 also has a larger aperture, a way bigger back-facing camera sensor which offers a lot higher image and video quality and a camera in the back with a lot better resolution.
The Xiaomi Redmi Note 8 2021 has just a bit more memory for games and applications than Galaxy S4, and although they both have equal 64 GB internal memory, the Xiaomi Redmi Note 8 2021 also has a slot for an SD memory card that supports up to 128 GB. The Xiaomi Redmi Note 8 2021 features a much better battery duration than Samsung Galaxy S4, because it has a 54 percent bigger battery size.
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