Compare phones
| Global Score | |
| 87.7 | 85.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | -- |
| 2020-09-11 | 2018-11-15 |
| 6.45 x 3.00 x 0.37 inches | 6.40 x 3.03 x 0.31 inches |
| 7.51 ounces | 6.46 ounces |
| Black and White | Bubblegum pink, Caviar black and Lemonade blue |
| Plastic and Plastic | Glass and Metal |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 6.3 inches |
| 2340 x 1080 pixels | 2220 x 1080 pixels |
| Super AMOLED Plus | Super AMOLED |
| 385 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 618 GPU | Adreno 512 GPU |
| 9.27 | 9.27 |
| 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 | |
| 64.00 MP + 32.00 MP | 24.00 MP + 24.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 11.88 | 10.45 |
| 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 7000mAh Battery | 3800mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 5.76 |
| 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 | FM Radio |
Comparison review
Galaxy M51 has a global score of 87.7, which is a little bit better than Samsung Galaxy A9 (2018)'s general score of 85.2. Although Galaxy M51 is newer than the Samsung Galaxy A9 (2018), it is somewhat thicker and somewhat heavier. The Samsung Galaxy M51 and the Galaxy A9 (2018) both feature really similar processors, both have 6 GB of RAM memory and a Octa-Core processing unit.
Galaxy A9 (2018) features a screen that's just as good as Galaxy M51's display, because although the Galaxy A9 (2018) has a little lower resolution of 1080 x 2220px and a bit smaller display, it also counts with a just a little higher pixels quantity per inch in the screen. Samsung Galaxy M51 takes much better videos and photos than Galaxy A9 (2018), because although it has a smaller camera aperture which is not so good for taking images or video in low-light environments, and they both have the same 3840x2160 video quality and the same video frame rates, the Samsung Galaxy M51 also counts with a way bigger camera sensor shooting way better quality photos and videos and a way more MP camera.
The Samsung Galaxy A9 (2018)'s storage to install applications and games or saving photos and videos is very similar to Galaxy M51's one, both have a SD extension slot that holds up to 512 GB and equal internal storage capacity. The Galaxy M51 counts with a superior battery lifetime than Samsung Galaxy A9 (2018), because it has an 84% bigger battery capacity.
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