Compare phones
| Global Score | |
| 82.1 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android 10 |
| 2018-08-27 | 2020-09-11 |
| 6.39 x 3.03 x 0.30 inches | 6.45 x 3.00 x 0.37 inches |
| 6.74 ounces | 7.51 ounces |
| Black and White | 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 | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.34 | 14.14 |
| Camera | |
| 16.00 MP + 24.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm 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 |
| 10.01 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3700mAh Li - Ion Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 8.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M51 is slightly better than Samsung Galaxy A8 Star, getting a global score of 87.7 against 82.1. These phones work with Android OS (Operating System), but the Samsung Galaxy M51 has 10 version while Samsung Galaxy A8 Star has Android 9.0 Pie. Samsung Galaxy M51's design is newer than the Samsung Galaxy A8 Star's, although it's heavier and thicker.
Samsung Galaxy M51 features a screen that's very similar to the Galaxy A8 Star one, because although the Samsung Galaxy M51 has a quite inferior pixels quantity per inch in the screen, it also counts with a little higher 1080 x 2340 pixels resolution and a little bit larger screen. The Samsung Galaxy M51's processor is very similar to Galaxy A8 Star's processor, both have 8 processing cores and 6 GB of RAM.
The Samsung Galaxy M51 counts with a much better memory for applications and games than Samsung Galaxy A8 Star, because it has a SD card slot that admits a maximum of 512 GB and more internal storage capacity. Galaxy M51 takes better photographs and videos than Samsung Galaxy A8 Star, because although it has a smaller aperture which is not recommended for shooting images or video in low-light environments, and they both have the same 3840x2160 video definition and the same video frame rate, the Galaxy M51 also counts with a camera in the back with lot more mega-pixels and a lot bigger sensor shooting way higher quality photographs and videos.
Galaxy M51 features a much better battery duration than Galaxy A8 Star, because it has an 89% bigger battery capacity.
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