Compare phones
| Global Score | |
| 90.6 | 76.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 10 |
| 2021-08-11 | 2020-05-20 |
| 6.23 x 5.04 x 0.25 inches | 6.39 x 3.04 x 0.35 inches |
| 9.56 ounces | 7.02 ounces |
| Phantom Black, Phantom Green and Phantom Silver | Forest green, Midnight gray and Polar white |
| Aluminum and Glass | Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 283.00 |
| Display / Screen | |
| 7.6 inches | 6.5 inches |
| 2208 x 1768 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 372 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | MediaTek Helio G85 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 660 GPU | Mali G52 MC2 GPU |
| 9.72 | 9.09 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 13.3 | 10.02 |
| Camera | |
| 12.00 MP + 4.00 MP | 48.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 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 |
| 7.7 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4400mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.24 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Samsung Galaxy Z Fold 3 has an overall score of 90.6, which is much better than the Xiaomi Redmi Note 9's global score of 76.6. The Samsung Galaxy Z Fold 3 construction is newer and much thinner than Xiaomi Redmi Note 9's, but it's a lot heavier. Both of these devices include Android OS, but the Samsung Galaxy Z Fold 3 has a newer 11 version while Xiaomi Redmi Note 9 has Android 10, so it offers some additional features and increased performance.
Xiaomi Redmi Note 9 counts with a screen that's very similar to the screen in Galaxy Z Fold 3, because although the Xiaomi Redmi Note 9 has a bit smaller display and a lot lower resolution of 1080 x 2340px, it also counts with a little bit higher count of pixels per inch of screen. The Samsung Galaxy Z Fold 3 has a little bit better performance than Xiaomi Redmi Note 9, and although they both have the same number of cores, the Samsung Galaxy Z Fold 3 also has 9 GB more RAM memory.
Xiaomi Redmi Note 9 takes much better videos and photos than Samsung Galaxy Z Fold 3, because it has a bigger aperture to capture better images in low-light environments and a back camera with a much higher resolution. Samsung Galaxy Z Fold 3 features a much greater storage capacity to install applications and games or saving photos and videos than Xiaomi Redmi Note 9, because although it has no SD card slot, it also counts with more internal memory.
The Xiaomi Redmi Note 9 has a little better battery lifetime than Samsung Galaxy Z Fold 3, because it has a 14% more battery size.
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