Compare phones
| Global Score | |
| 77.6 | 85.5 |
| Basic Information | |
| Motorola | Samsung |
| Android 9.0 Pie, 8.1 Oreo | Android 11, 10 |
| 2018-08-16 | 2019-12-27 |
| 6.16 x 3.01 x 0.27 inches | 6.24 x 2.90 x 0.31 inches |
| 5.50 ounces | 6.07 ounces |
| 16 777 216 | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 297.00 | $ 282.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2160 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 402 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Samsung Exynos 9611 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 540 GPU | Mali-G72 MP3 GPU |
| 9.36 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 14.14 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.34 inches (1/2.9") 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 (240 fps) (HD) slow motion video |
| 9.57 | 11.55 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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 |
Comparison review
Samsung Galaxy A51 has a general score of 85.5, which is much better than Moto Z3's global score of 77.6. Both phones in this comparison have Android OS (operating system), but Samsung Galaxy A51 has older 11 version and Moto Z3 has Android 9.0 Pie version. The Samsung Galaxy A51 is a newer phone than Moto Z3, although it is just a little heavier and thicker.
Moto Z3 counts with a bit faster CPU than Galaxy A51. Both have the same RAM amount and the same number of cores. Galaxy A51 has a screen that is very similar to the Moto Z3 one, although the Galaxy A51 also has a just a bit greater pixels density, a slightly better 1080 x 2400 resolution and a little bit larger display.
Galaxy A51 takes greater photos and videos than Moto Z3, and although they both have the same video frame rate, a F2 camera aperture and the same 3840x2160 (4K) video quality, the Galaxy A51 also has a back camera with a lot higher 48 mega pixels resolution and a way bigger back-facing camera sensor providing a much higher image quality.
Motorola Moto Z3 counts with a slightly better memory capacity to store more games and applications than Galaxy A51, because although it has just 64 GB internal memory, it also counts with an external memory card slot that allows up to 1,95 TB. The Galaxy A51 features improved battery performance than Motorola Moto Z3, because it has a 4000mAh battery capacity against 3000mAh.
Even being the best phone of the ones we compare here, the Galaxy A51 is also the cheapest, making this phone an easy choice.
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