Compare phones
| Global Score | |
| 71.8 | 76.7 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 6.0 Marshmallow | Android 11 |
| 2017-02-14 | 2021-05-27 |
| 5.94 x 2.99 x 0.33 inches | 6.23 x 2.96 x 0.33 inches |
| 5.82 ounces | 6.70 ounces |
| 16 777 216 | Moonlight White, Neptune Blue and Space Black, |
| Metal | Glass and Plastic |
| -- | Scratch-Resistant Glass |
| $ 145.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.3 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 401 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | MediaTek Helio G85 MT6769Z chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Mali G52 MC2 GPU |
| 9.09 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 8.12 | 10.02 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 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 | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.02 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Micro SIM | Nano SIM |
| 6.1 | 6.6 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| GPS | GPS |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Redmi Note 8 2021 has a general score of 76.7, which is a little bit better than the Xiaomi Redmi Note 4X's 71.8 overall score. Both phones in this comparison review include Android OS, but the Xiaomi Redmi Note 8 2021 has older 11 version while Xiaomi Redmi Note 4X has Android 6.0 Marshmallow. Xiaomi Redmi Note 8 2021's body has the same thickness than the Xiaomi Redmi Note 4X, but it's heavier.
Xiaomi Redmi Note 8 2021 counts with a bit more vivid screen than Xiaomi Redmi Note 4X, because it has a quite higher display pixels density, a quite better 1080 x 2340 resolution and a bit bigger display. The Xiaomi Redmi Note 8 2021 counts with a way bigger storage to install games and applications than Xiaomi Redmi Note 4X, and although they both have a SD card slot that allows a maximum of 128 GB, the Xiaomi Redmi Note 8 2021 also has 32 GB more internal memory capacity.
The Xiaomi Redmi Note 8 2021's processing unit is very similar to the processing unit in Xiaomi Redmi Note 4X, and although the Xiaomi Redmi Note 8 2021 has a larger amount of RAM, they both have 8 cpu cores. Xiaomi Redmi Note 8 2021 takes greater videos and photos than Xiaomi Redmi Note 4X, and although they both have the same video frame rate and the same (Full HD) video resolution, the Xiaomi Redmi Note 8 2021 also has a bigger diafragm aperture and a way more mega-pixels back facing camera.
Xiaomi Redmi Note 4X counts with a little better battery lifetime than Xiaomi Redmi Note 8 2021, because it has a 2 percent more battery capacity.
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