Compare phones
| Global Score | |
| 89.1 | 80.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 14 |
| 2022-01-11 | 2024-10-29 |
| 6.13 x 2.93 x 0.31 inches | 6.00 x 2.80 x 0.32 inches |
| 6.00 ounces | 6.67 ounces |
| Metal and Plastic | Glass |
| Scratch-Resistant Glass | -- |
| $ 700.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2670 x 1200 pixels |
| Dynamic AMOLED | OLED |
| 403 pixels per inch | 457 pixels per inch |
| -- | 3200 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Kryo 680 Prime, 64-bit (Octa-Core 2840 MHz) processor | processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 830 GPU |
| 9.63 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 12.00 MP + 32.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.60 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.9 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 7 |
| Battery Life | |
| 4500mAh Battery | 5400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 7.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass and Gyroscope |
| FM Radio | -- |
Comparison review
The Samsung Galaxy S21 FE has a score of 89.1, which is better than Xiaomi 15's global score of 80.6. Samsung Galaxy S21 FE's construction is a bit thinner and somewhat lighter than Xiaomi 15, even though it was released many years before. Both phones in this comparison use Android OS, but Samsung Galaxy S21 FE has the previous 11 version while Xiaomi 15 has Android 14 version.
Xiaomi 15 counts with a lot better display than Galaxy S21 FE, and although they both have a display with the same size, the Xiaomi 15 also has a bit higher resolution of 1200 x 2670px and a just a little more pixels per inch of screen. The Xiaomi 15 has a much better memory capacity to install games and applications than Samsung Galaxy S21 FE, because it has 256 GB internal memory.
The Galaxy S21 FE features a very superior hardware performance than Xiaomi 15, although it has a lower amount of RAM memory, they both have a Octa-Core processor. The Xiaomi 15 features improved battery performance than Galaxy S21 FE, because it has a 5400mAh battery capacity. Xiaomi 15 shoots much better videos and photos than Samsung Galaxy S21 FE, because it has a way better video quality, a larger diafragm aperture to take better images and video in low light situations and a back-facing camera with a lot higher resolution.
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