Compare phones
| Global Score | |
| 84.1 | 81.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 14 |
| 2020-03-23 | 2024-10-29 |
| 6.26 x 2.96 x 0.35 inches | 6.35 x 2.96 x 0.33 inches |
| 6.63 ounces | 7.51 ounces |
| Midnight blue and Raven black | -- |
| Plastic and Plastic | Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 516 pixels per inch |
| 420 cd/m2 brightness | 3500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 10.6 |
| Performance | |
| Exynos 9611 chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 830 GPU |
| 9.27 | 6.21 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.40 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.55 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 6100mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 7.6 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass and Gyroscope |
| FM Radio | -- |
Comparison review
Samsung Galaxy M21 is a bit better than Xiaomi 15 Pro, getting a general score of 84.1 against 81.3. The Samsung Galaxy M21 construction is somewhat lighter than Xiaomi 15 Pro, but it's just a little thicker and was released 5 years before. These phones come with Android operating system, but the Samsung Galaxy M21 has an older 11 version and Xiaomi 15 Pro has Android 14 version.
Xiaomi 15 Pro has an incredibly better display than Samsung Galaxy M21, because it has a higher 1440 x 3200px resolution, a bit bigger screen, a better pixel density and way more brightness. Xiaomi 15 Pro features more storage capacity for games and applications than Galaxy M21, because although it has no slot for SD memory cards, it also counts with 192 GB more internal storage capacity.
The Galaxy M21 has a much faster processing unit than Xiaomi 15 Pro, although it has 8 GB lesser RAM, they both have a Octa-Core processing unit. The Xiaomi 15 Pro has just a bit better battery lifetime than Galaxy M21, because it has 6100mAh of battery capacity against 6000mAh. The Xiaomi 15 Pro has a bit better camera than Samsung Galaxy M21, because it has a much higher 7680x4320 video quality, a camera with more megapixels and a way bigger diafragm aperture to take better low-light captures.
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