Compare phones
| Global Score | |
| 89.1 | 80.1 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 15 |
| 2022-01-11 | -- |
| 6.13 x 2.93 x 0.31 inches | -- |
| 6.00 ounces | -- |
| Metal and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 700.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | -- |
| Dynamic AMOLED | AMOLED |
| 403 pixels per inch | -- |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 5 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| Kryo 680 Prime, 64-bit (Octa-Core 2840 MHz) processor | processor |
| 6 GB RAM | 16 GB RAM |
| Adreno 660 GPU | Adreno 830 GPU |
| 9.63 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 12.00 MP + 32.00 MP | 200.00 MP + 32.00 MP |
| f/1.80 aperture | -- |
| 26.00mm focal length | -- |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 9.9 | 12.87 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 7.6 |
| Battery Life | |
| 4500mAh Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 7.52 |
| 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, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy S21 FE has an overall score of 89.1, which is better than the Xiaomi 15 Ultra (Rumored)'s global score of 80.1. These phones have Android OS, but Galaxy S21 FE has the previous 11 version while Xiaomi 15 Ultra (Rumored) has Android 15 version. Galaxy S21 FE counts with a much more powerful processing unit than Xiaomi 15 Ultra (Rumored), although it has 10 GB less RAM memory, they both have a Octa-Core processing unit.
Galaxy S21 FE has a way better looking display than Xiaomi 15 Ultra (Rumored), although it has a little smaller screen. The Xiaomi 15 Ultra (Rumored) features a much greater memory capacity to install applications and games than Galaxy S21 FE, because it has 512 GB internal memory. The Xiaomi 15 Ultra (Rumored) has longer battery life than Samsung Galaxy S21 FE, because it has a 33 percent bigger battery size.
The Xiaomi 15 Ultra (Rumored) captures greater photographs and videos than Samsung Galaxy S21 FE, because it has a way more megapixels back camera and a much higher video quality.
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