Compare phones
| Global Score | |
| 90.8 | 80.1 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 15 |
| 2020-04-29 | -- |
| 6.26 x 2.90 x 0.34 inches | -- |
| 6.60 ounces | -- |
| Prism cube black | -- |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | -- |
| Super AMOLED | AMOLED |
| 405 pixels per inch | -- |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 5 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | processor |
| 6 GB RAM | 16 GB RAM |
| Mali-G76 MP5 GPU | Adreno 830 GPU |
| 9.27 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 17.6 |
| Camera | |
| 48.00 MP + 32.00 MP | 200.00 MP + 32.00 MP |
| f/2.00 aperture | -- |
| 26.00mm 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 (480 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 11.55 | 12.87 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 10.7 | 7.6 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | 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 A51 5G is much better than the Xiaomi 15 Ultra (Rumored), getting a 90.8 score against 80.1. Both phones in this comparison work with Android operating system, but Galaxy A51 5G has older 11 version while Xiaomi 15 Ultra (Rumored) has Android 15 version. The Samsung Galaxy A51 5G counts with a very superior CPU than Xiaomi 15 Ultra (Rumored), although it has a lower amount of RAM, they both have 8 cores.
The Galaxy A51 5G features an incredibly better looking display than Xiaomi 15 Ultra (Rumored), although it has a little smaller display. Xiaomi 15 Ultra (Rumored) features a superior camera than Galaxy A51 5G, because it has a much higher 7680x4320 video quality and a back camera with lot more mega pixels.
Xiaomi 15 Ultra (Rumored) features a bigger storage for apps and games than Galaxy A51 5G, because although it has no slot for an SD memory card, it also counts with more internal memory capacity. The Xiaomi 15 Ultra (Rumored) features improved battery lifetime than Samsung Galaxy A51 5G, because it has a 33% bigger battery capacity.
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