| Global Score | |
| 76.7 | 81.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 5.0, 4.4 |
| 2021-05-27 | 2014-09-03 |
| 6.23 x 2.96 x 0.33 inches | 6.04 x 3.09 x 0.33 inches |
| 6.70 ounces | 6.21 ounces |
| Moonlight White, Neptune Blue and Space Black, | Black, Gold, Pink and White |
| Glass and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 269.00 |
| Display / Screen | |
| 6.3 inches | 5.7 inches |
| 2340 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 515 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 9.5 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 805 APQ8084 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Krait 450 (Quad-Core 2700 MHz) processor |
| 4 GB RAM | 3 GB (825 MHz) RAM |
| Mali G52 MC2 GPU | Adreno 420 (500 MHz) GPU |
| 9.09 | 9.54 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 10.02 | 8.12 |
| Camera | |
| 48.00 MP + 13.00 MP | 16.00 MP + 3.70 MP |
| f/1.80 aperture | f/2.20 aperture |
| -- | 31.00mm focal length |
| 0.5 inches (1/2") sensor | 0.38 inches (1/2.6") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 11 | 10.01 |
| 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, EDGE, GPRS and GSM |
| Nano SIM | Micro SIM |
| 6.6 | 7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3220mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | 20 hours talk time |
| 5.92 | 5.2 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 4.1, EDR |
| GPS | GPS |
| -- | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Galaxy Note 4 has a score of 81.6, which is a little bit better than the Xiaomi Redmi Note 8 2021's 76.7 overall score. Galaxy Note 4 is a a little lighter device than the Xiaomi Redmi Note 8 2021, but they have the same thickness. Both phones in this comparison include Android operating system, but the Galaxy Note 4 has 5.0 version while Xiaomi Redmi Note 8 2021 has Android 11 version.
Samsung Galaxy Note 4 has just a bit better hardware performance than Xiaomi Redmi Note 8 2021, because although it has a lower number of cores and a lower amount of RAM memory, it also counts with a graphics processing unit. The Galaxy Note 4 features a brighter screen than Xiaomi Redmi Note 8 2021, because although it has a little bit smaller display, it also counts with a higher display density and a better 2560 x 1440 resolution.
The Xiaomi Redmi Note 8 2021 counts with a way bigger storage for games and applications than Galaxy Note 4, and although they both have a SD extension slot that holds a maximum of 128 GB, the Xiaomi Redmi Note 8 2021 also has 64 GB internal storage. The Xiaomi Redmi Note 8 2021 has superior battery performance than Samsung Galaxy Note 4, because it has a 4000mAh battery capacity.
The Xiaomi Redmi Note 8 2021 takes a bit better photos and videos than Galaxy Note 4, and although they both have the same (Full HD) video definition and the same 30 fps video frame rates, the Xiaomi Redmi Note 8 2021 also has a camera in the back with a lot higher 48 mega pixels resolution, a much larger back-facing camera sensor which gives a much better photo and video quality and a bigger diafragm aperture for better photos in low-light situations.
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