| Global Score | |
| 81.2 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 5.0, 4.4.4, 4.4, 4.3 | Android 11 |
| 2013-09-04 | 2021-05-27 |
| 5.95 x 3.12 x 0.33 inches | 6.23 x 2.96 x 0.33 inches |
| 5.93 ounces | 6.70 ounces |
| Black, Pink and White | Moonlight White, Neptune Blue and Space Black, |
| -- | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 265.00 | -- |
| Display / Screen | |
| 5.7 inches | 6.3 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 386 pixels per inch | 409 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8974 chipset | MediaTek Helio G85 MT6769Z chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 3 GB (800 MHz) RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali G52 MC2 GPU |
| 9.27 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSD, microSDHC (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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.68 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Micro SIM, Dual SIM | Nano SIM |
| 7.1 | 6.6 |
| Battery Life | |
| 3200mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 528 hours standby time 25 hours talk time | -- |
| 5.2 | 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 |
The Samsung Galaxy Note 3 has an overall score of 81.2, which is a bit better than Xiaomi Redmi Note 8 2021's overall score of 76.7. These devices include Android OS (operating system), but the Samsung Galaxy Note 3 has older 5.0 version while Xiaomi Redmi Note 8 2021 has Android 11. The Samsung Galaxy Note 3 is a somewhat lighter cellphone than the Xiaomi Redmi Note 8 2021, but both are equally thin.
Samsung Galaxy Note 3 counts with a little faster processing unit than Xiaomi Redmi Note 8 2021, because although it has an inferior number of cores (although faster) and a smaller amount of RAM, it also counts with an extra graphics processing unit. The Galaxy Note 3 counts with a little more vivid screen than Xiaomi Redmi Note 8 2021, although it has a bit lower pixels density, a quite smaller display and a quite lower 1920 x 1080px resolution.
The Xiaomi Redmi Note 8 2021 takes much better photos and videos than Samsung Galaxy Note 3, and although they both have the same 1920x1080 (Full HD) video definition and the same 30 frames per second video frame rates, the Xiaomi Redmi Note 8 2021 also has a much higher resolution back camera, a bigger aperture to take better low light photos and video and a way larger camera sensor capturing way better quality videos and photographs.
The Xiaomi Redmi Note 8 2021 features just a bit bigger storage capacity to install applications and games than Samsung Galaxy Note 3, and although they both have the same 64 GB internal memory, the Xiaomi Redmi Note 8 2021 also has a slot for external memory cards that supports a maximum of 128 GB.
The Xiaomi Redmi Note 8 2021 features greater battery lifetime than Galaxy Note 3, because it has a 25 percent larger battery size.
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