Compare phones
| Global Score | |
| 82.4 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.1 Oreo | Android 11, 10 |
| 2019-03-07 | 2020-04-29 |
| 6.26 x 2.96 x 0.33 inches | 6.26 x 2.90 x 0.34 inches |
| 6.14 ounces | 6.60 ounces |
| Black and Blue | Prism cube black |
| Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2280 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 394 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Samsung Exynos 980 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G71 MP2 GPU | Mali-G76 MP5 GPU |
| 9 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 14.14 | 15.38 |
| Camera | |
| 13.00 MP + 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.32 inches (1/3.1") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.13 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 5G has an overall score of 90.8, which is much better than the Samsung Galaxy M30's global score of 82.4. Galaxy A51 5G's body is newer than the Samsung Galaxy M30's, although it's just a little bit thicker and a little bit heavier. Both of these devices use Android operating system, but Galaxy A51 5G has the previous 11 version and Samsung Galaxy M30 has Android 9.0 Pie.
Galaxy A51 5G features a bit better display than Galaxy M30, because it has a bit bigger display, a just a little better pixel amount per display inch and a slightly better 1080 x 2400 resolution. The Galaxy A51 5G has a bit better processing unit than Samsung Galaxy M30. They have the same RAM amount and 8 processing cores.
The Samsung Galaxy A51 5G has just a bit more storage capacity to store more apps and games than Samsung Galaxy M30, and although they both have exactly the same 128 GB internal memory capacity, the Samsung Galaxy A51 5G also has a slot for SD memory cards that supports a maximum of 1000 GB. Galaxy A51 5G counts with a lot better camera than Galaxy M30, because although it has a smaller aperture, it also counts with a back facing camera with much more megapixels, a way larger sensor which offers a lot higher photo and video quality and a lot better 3840x2160 video definition.
Galaxy M30 counts with a bit better battery lifetime than Samsung Galaxy A51 5G, because it has 5000mAh of battery capacity.
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