Compare phones
| Global Score | |
| 85.5 | 74.4 |
| Basic Information | |
| Samsung | Motorola |
| Android 11, 10 | -- |
| 2019-12-27 | 2017-10-19 |
| 6.24 x 2.90 x 0.31 inches | 5.84 x 2.89 x 0.31 inches |
| 6.07 ounces | 5.75 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black and Blue |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | $ 270.00 |
| Display / Screen | |
| 6.5 inches | 5.2 inches |
| 2400 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 424 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 630 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-G72 MP3 GPU | Adreno 508 GPU |
| 9.27 | 9.18 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 14.14 | 12.76 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 16.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 13.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 11.55 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0, EDR |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 is better than Motorola Moto X4, getting an 85.5 score against 74.4. The Galaxy A51 construction has the same thickness than the Motorola Moto X4, but it's just a little bit heavier. Samsung Galaxy A51 counts with a little faster processor than Moto X4, and although they both have a Octa-Core processing unit, the Samsung Galaxy A51 also has a greater amount of RAM.
The Moto X4 features a little sharper screen than Galaxy A51, because although it has a much smaller screen and a little bit worse 1080 x 1920 resolution, it also counts with a little bit higher pixels amount in each screen inch. The Galaxy A51 has a bigger memory capacity to store more games and applications than Moto X4, because although it has an external SD slot that supports 1,45 TB smaller, it also counts with more internal storage capacity.
The Samsung Galaxy A51 features superior battery performance than Motorola Moto X4, because it has a 33% larger battery capacity. The Samsung Galaxy A51 features a much better camera than Moto X4, and although they both have the same video frame rate, the same camera aperture and the same video quality, the Samsung Galaxy A51 also has a lot bigger camera sensor capturing way higher quality photos and videos and a back-facing camera with way more MP.
Samsung Galaxy A51 costs a little more money than Motorola Moto X4, but you can get a better phone for that extra dollars.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.