Compare phones
| Global Score | |
| 72.5 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 4.4.3 | Android 11, 10 |
| 2014-07-22 | 2020-04-29 |
| 5.48 x 2.70 x 0.35 inches | 6.26 x 2.90 x 0.34 inches |
| 5.26 ounces | 6.60 ounces |
| Black and White | Prism cube black |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 329.00 | $ 339.00 |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 441 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Samsung Exynos 980 chipset |
| Qualcomm Krait 400 (Quad-Core 2500 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G76 MP5 GPU |
| 9.36 | 9.27 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 4.4 | 15.38 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.79 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 3080mAh Li-Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.32 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A51 5G has a score of 90.8, which is much better than the Xiaomi Mi 4's 72.5 overall score. The Samsung Galaxy A51 5G is a incredibly newer and a little thinner device than Xiaomi Mi 4, but it's also noticeably heavier. Both phones in this comparison include Android OS (Operating System), but the Samsung Galaxy A51 5G has an older 11 version and Xiaomi Mi 4 has Android 4.4.3.
Xiaomi Mi 4 has a little faster CPU than Galaxy A51 5G, because although it has a lower number of cores (although they are faster) and lesser RAM, it also counts with an additional graphics co-processor. The Xiaomi Mi 4 has a sharper display than Galaxy A51 5G, because although it has a really smaller screen and a little bit lower 1920 x 1080 resolution, it also counts with a quite greater pixel number per inch in the display.
The Galaxy A51 5G features a superior memory capacity for games and applications than Xiaomi Mi 4, because it has a slot for an SD memory card that allows up to 1000 GB and 112 GB more internal memory capacity. Galaxy A51 5G shoots better photos and videos than Xiaomi Mi 4, because although it has a smaller aperture which is not nice for low-light captures and video, and they both have the same video resolution and the same video frame rate, the Galaxy A51 5G also counts with a lot more mega-pixels camera and a much larger back camera sensor providing a way higher image quality.
The Galaxy A51 5G counts with a really longer battery life than Xiaomi Mi 4, because it has 4500mAh of battery capacity instead of 3080mAh.
The Galaxy A51 5G costs a bit more money than the Xiaomi Mi 4, but you can get a much better phone for that extra money.
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