Compare phones
| Global Score | |
| 85.2 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2018-11-15 | 2020-09-11 |
| 6.40 x 3.03 x 0.31 inches | 6.45 x 3.00 x 0.37 inches |
| 6.46 ounces | 7.51 ounces |
| Bubblegum pink, Caviar black and Lemonade blue | Black and White |
| Glass and Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.7 inches |
| 2220 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED Plus |
| 392 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 512 GPU | Adreno 618 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 | |
| 24.00 MP + 24.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 10.45 | 11.88 |
| 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 | |
| 3800mAh Li - Polymer Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.76 | 8.32 |
| 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
The Galaxy M51 is a little bit better than Samsung Galaxy A9 (2018), having a overall score of 87.7 against 85.2. The Galaxy M51 design is newer, but thicker and somewhat heavier than the Samsung Galaxy A9 (2018). Galaxy A9 (2018) and Samsung Galaxy M51 count with very similar processors, both of them have 6 GB of RAM and the same number of cores.
Samsung Galaxy A9 (2018) and Galaxy M51 both have really similar displays, because although the Galaxy M51 has a bit less pixels per inch of display, it also counts with a quite larger display and a slightly higher resolution of 1080 x 2340px. The Galaxy M51 counts with a much better camera than Samsung Galaxy A9 (2018), because although it has a tinier aperture which is not nice for taking pictures or video in poorly lited situations, and they both have the same video quality and the same 30 fps video frame rates, the Galaxy M51 also counts with a lot bigger sensor and a back-facing camera with lot more MP.
The Galaxy A9 (2018) and the Samsung Galaxy M51 have incredibly similar memory capacity for apps and games, both of them have a SD card slot that holds a maximum of 512 GB and the same internal memory. Galaxy M51 counts with a superior battery performance than Samsung Galaxy A9 (2018), because it has 7000mAh of battery capacity against 3800mAh.
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