| Global Score | |
| 76.7 | 81.2 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 5.0, 4.4.4, 4.4, 4.3 |
| 2021-05-27 | 2013-09-04 |
| 6.23 x 2.96 x 0.33 inches | 5.95 x 3.12 x 0.33 inches |
| 6.70 ounces | 5.93 ounces |
| Moonlight White, Neptune Blue and Space Black, | Black, Pink and White |
| Glass and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 265.00 |
| Display / Screen | |
| 6.3 inches | 5.7 inches |
| 2340 x 1080 pixels | 1080 x 1920 pixels (Full HD) |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 386 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 8.9 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 800 MSM8974 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Krait 400 (Quad-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB (800 MHz) RAM |
| Mali G52 MC2 GPU | Adreno 330 (450 MHz) GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSD, microSDHC (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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11 | 9.68 |
| 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, GSM and CDMA |
| Nano SIM | Micro SIM, Dual SIM |
| 6.6 | 7.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3200mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | Wireless Charging |
| -- | 528 hours standby time 25 hours talk time |
| 5.92 | 5.2 |
| 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 |
Samsung Galaxy Note 3 has a general score of 81.2, which is a little bit better than the Xiaomi Redmi Note 8 2021's score of 76.7. These phones use Android OS (operating system), but Samsung Galaxy Note 3 has the previous 5.0 version while Xiaomi Redmi Note 8 2021 has Android 11. The Samsung Galaxy Note 3 design has the same thickness than Xiaomi Redmi Note 8 2021, but it's lighter.
Samsung Galaxy Note 3 features a little sharper display than Xiaomi Redmi Note 8 2021, although it has a little bit lower resolution of 1920 x 1080 pixels, a quite smaller screen and a little bit lower display density. The Xiaomi Redmi Note 8 2021 has a little bit more storage for games and applications than Samsung Galaxy Note 3, and although they both have exactly the same internal storage capacity, the Xiaomi Redmi Note 8 2021 also has a slot for external memory cards that supports a maximum of 128 GB.
The Samsung Galaxy Note 3 has a bit better hardware performance than Xiaomi Redmi Note 8 2021, because although it has a lower number of cores and less RAM memory, it also counts with an additional graphics processing unit. Xiaomi Redmi Note 8 2021 features better battery duration than Galaxy Note 3, because it has a 25% more battery capacity.
The Xiaomi Redmi Note 8 2021 takes better photographs and videos than Samsung Galaxy Note 3, and although they both have the same video frame rates and the same (Full HD) video resolution, the Xiaomi Redmi Note 8 2021 also has a bigger camera aperture to take better low light photography, a much larger back camera sensor taking way better quality pictures and a way more megapixels camera.
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