| Global Score | |
| 79 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 4.4 | Android 11 |
| 2013-03-14 | 2021-05-27 |
| 5.38 x 2.75 x 0.31 inches | 6.23 x 2.96 x 0.33 inches |
| 4.59 ounces | 6.70 ounces |
| Black, Blue, Red and White | Moonlight White, Neptune Blue and Space Black, |
| Polycarbonate | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 135.00 | -- |
| Display / Screen | |
| 5 inches | 6.3 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 441 pixels per inch | 409 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 600 APQ8064T chipset | MediaTek Helio G85 MT6769Z chipset |
| Krait 300 (Quad-Core 1900 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 2 GB (800 MHz) RAM | 4 GB RAM |
| Adreno 320 (400 MHz) GPU | Mali G52 MC2 GPU |
| 9 | 9.09 |
| Storage | |
| 64 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 |
| 9.46 | 10.02 |
| Camera | |
| 13.00 MP + 2.00 MP | 48.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 31.00mm focal length | -- |
| 0.33 inches (1/3.06") 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 |
| 9.02 | 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 | |
| 2600mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 17 hours talk time | -- |
| 4.56 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Samsung Galaxy S4 has a general score of 79, which is slightly better than the Xiaomi Redmi Note 8 2021's 76.7 overall score. These phones work with Android operating system, but the Samsung Galaxy S4 has 4.4 version while Xiaomi Redmi Note 8 2021 has Android 11. Although Samsung Galaxy S4 is notably older than Xiaomi Redmi Note 8 2021, it's construction is just a little bit thinner and way lighter.
The Xiaomi Redmi Note 8 2021 has a little faster processing unit than Samsung Galaxy S4, because although it has doesn't have an additional graphics processing unit, it also counts with a higher number of cores (and faster) and 2 GB more RAM. The Samsung Galaxy S4 features a much better screen than Xiaomi Redmi Note 8 2021, because although it has a way smaller display and a little worse 1920 x 1080px resolution, it also counts with a little bit higher display pixels density.
The Xiaomi Redmi Note 8 2021 has just a bit bigger storage to store more apps and games than Samsung Galaxy S4, and although they both have equal internal storage capacity, the Xiaomi Redmi Note 8 2021 also has an external memory slot that supports up to 128 GB. The Xiaomi Redmi Note 8 2021 features a very superior camera than Samsung Galaxy S4, and although they both have the same 30 fps video frame rate and the same 1920x1080 video definition, the Xiaomi Redmi Note 8 2021 also has a lot larger camera sensor providing a much better image quality, a back facing camera with a way higher resolution and a bigger aperture to capture better images and video in poorly lited situations.
The Xiaomi Redmi Note 8 2021 features a much better battery life than Galaxy S4, because it has a 4000mAh battery capacity.
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