Compare phones
| Global Score | |
| 85.5 | 79.8 |
| Basic Information | |
| Samsung | Motorola |
| Android 11, 10 | Android 10, 9.0 Pie |
| 2019-12-27 | 2019-06-06 |
| 6.24 x 2.90 x 0.31 inches | 6.22 x 2.95 x 0.29 inches |
| 6.07 ounces | 5.82 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Gray and White |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | $ 500.00 |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | OLED |
| 405 pixels per inch | 403 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 675 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 612 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 14.14 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 25.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") 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 (120 fps) (Full HD) slow motion video |
| 11.55 | 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3600mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.6 |
| 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, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 is a bit better than Moto Z4, getting a general score of 85.5 against 79.8. These phones include Android OS, but the Galaxy A51 has 11 version while Moto Z4 has Android 10 version. Although it's the best phone in this comparison, Galaxy A51 is a just a bit thicker and a bit heavier phone than the Moto Z4.
Galaxy A51 features a bit faster processing unit than Moto Z4. They have 4 GB of RAM memory and a Octa-Core processing unit. Galaxy A51 features a little more vivid screen than Motorola Moto Z4, because it has a bit more pixels per display inch, a little bit larger display and a bit higher resolution of 1080 x 2400.
Motorola Moto Z4 has a camera that's very similar to the Samsung Galaxy A51 one, and although the Motorola Moto Z4 has a larger diafragm aperture to capture better captures in low-light situations, they both have a 0.5 inches camera sensor, the same 3840x2160 (4K) video quality, the same 30 frames per second video frame rate and a same resolution back camera.
The Moto Z4's memory to install applications and games or saving photos and videos is just as good as Galaxy A51's one, they have a slot for SD memory cards that supports up to 512 GB and exactly the same 128 GB internal storage. Galaxy A51 features just a bit better battery life than Moto Z4, because it has a 4000mAh battery capacity.
In addition to being the best phone of the ones we are comparing here, the Samsung Galaxy A51 is also by far the cheapest, which makes it an obvious call.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.