Compare phones
| Global Score | |
| 76.7 | 90.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11 |
| 2021-05-27 | 2021-08-11 |
| 6.23 x 2.96 x 0.33 inches | 6.23 x 5.04 x 0.25 inches |
| 6.70 ounces | 9.56 ounces |
| Moonlight White, Neptune Blue and Space Black, | Phantom Black, Phantom Green and Phantom Silver |
| Glass and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.3 inches | 7.6 inches |
| 2340 x 1080 pixels | 2208 x 1768 pixels |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 372 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali G52 MC2 GPU | Adreno 660 GPU |
| 9.09 | 9.72 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 13.3 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.00 MP + 4.00 MP |
| f/1.80 aperture | f/2.20 aperture |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 11 | 7.7 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.24 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| 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 |
Comparison review
The Samsung Galaxy Z Fold 3 has an overall score of 90.6, which is much better than Xiaomi Redmi Note 8 2021's 76.7 general score. Although the Samsung Galaxy Z Fold 3 and Xiaomi Redmi Note 8 2021 were released with only a few months difference, Samsung Galaxy Z Fold 3's body is much thinner but extremely heavier. Both devices in this review come with the same Android 11 OS (operating system).
The Galaxy Z Fold 3 features a little faster processing unit than Xiaomi Redmi Note 8 2021, and although they both have 8 cpu cores, the Galaxy Z Fold 3 also has a higher amount of RAM memory. The Xiaomi Redmi Note 8 2021 has just a bit better screen than Samsung Galaxy Z Fold 3, because although it has a lot worse 1080 x 2340 resolution and a bit smaller screen, it also counts with a just a little higher amount of pixels per inch in the screen.
The Galaxy Z Fold 3 features a much bigger storage capacity to store more apps and games than Xiaomi Redmi Note 8 2021, because although it has no external SD slot, it also counts with more internal memory capacity. Xiaomi Redmi Note 8 2021 has a greater camera than Galaxy Z Fold 3, because it has a bigger aperture to capture better low light photos and videos and a lot better 48 megapixels resolution camera in the back.
Galaxy Z Fold 3 features a little better battery performance than Xiaomi Redmi Note 8 2021, because it has 4400mAh of battery capacity instead of 4000mAh.
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