Compare phones
| Global Score | |
| 85.5 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 9.0 Pie |
| 2019-12-27 | 2019-09-29 |
| 6.24 x 2.90 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 6.07 ounces | 6.63 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black, Blue and White |
| Plastic and Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 403 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 9611 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 16.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 12.00mm 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 | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.55 | 11.44 |
| 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 | |
| 4000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| 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
Samsung Galaxy A51 is slightly better than the Samsung Galaxy M30s, getting a overall score of 85.5 against 83.3. The Samsung Galaxy A51 construction is a little lighter and thinner than the Samsung Galaxy M30s, even though both were released only 3 months apart. These phones include the same Android 11 OS, so both of them should provide very similar OS features.
The Galaxy M30s's processing unit is just as good as Samsung Galaxy A51's processing unit, they have a 4 GB RAM and 8 cpu cores. Galaxy M30s and Galaxy A51 feature similar displays, although the Galaxy M30s has a little bit lower 1080 x 2340 resolution, a just a bit lower pixel density and a quite smaller screen.
Galaxy A51 features a bit better camera than Samsung Galaxy M30s. Both have the same back camera sensor size, a same size camera aperture, a same resolution back camera, the same 30 fps video frame rate and the same (4K) video quality. The Samsung Galaxy A51 has a very superior memory to install applications and games or saving photos and videos than Galaxy M30s, and although they both have a SD extension slot that allows a maximum of 512 GB, the Samsung Galaxy A51 also has 64 GB more internal memory.
The Galaxy M30s has a really longer battery performance than Galaxy A51, because it has a 6000mAh battery capacity instead of 4000mAh.
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