Compare phones
| Global Score | |
| 85.5 | 80.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 14 |
| 2019-12-27 | 2024-10-29 |
| 6.24 x 2.90 x 0.31 inches | 6.00 x 2.80 x 0.32 inches |
| 6.07 ounces | 6.67 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | -- |
| Plastic and Plastic | Glass |
| Scratch-Resistant Glass | -- |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2670 x 1200 pixels |
| Super AMOLED | OLED |
| 405 pixels per inch | 457 pixels per inch |
| -- | 3200 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 10.2 |
| Performance | |
| Samsung 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 | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 13.3 |
| Camera | |
| 48.00 MP + 32.00 MP | 50.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.60 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 (30 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.55 | 12.1 |
| 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 | |
| 4000mAh Li - Polymer Battery | 5400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 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
Samsung Galaxy A51 has a score of 85.5, which is a little bit better than Xiaomi 15's 80.6 global score. The Samsung Galaxy A51 is an much older cellphone than Xiaomi 15, but it is just a little lighter and a little bit thinner anyway. Both phones we compare here come with Android OS, but the Samsung Galaxy A51 has an older 11 version while Xiaomi 15 has Android 14.
The Galaxy A51 has a very superior processor than Xiaomi 15, although it has a smaller amount of RAM memory, they both have 8 processing cores. The Xiaomi 15 features an incredibly better looking display than Galaxy A51, because although it has a quite smaller screen, it also counts with a quite higher screen density and a little higher 1200 x 2670px resolution.
The Galaxy A51 has slightly more memory capacity for games and applications than Xiaomi 15, because although it has just 128 GB internal storage capacity, it also counts with a SD card slot that holds up to 512 GB. Xiaomi 15 features a much better battery duration than Galaxy A51, because it has a 35 percent greater battery capacity.
The Xiaomi 15 has a slightly better camera than Galaxy A51, because it has a back facing camera with a higher resolution, a bigger diafragm aperture to capture better images and video in poorly lited environments and a lot higher video quality.
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