Compare phones
| Global Score | |
| 79.6 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2019-03-02 | 2020-04-29 |
| 6.24 x 2.94 x 0.30 inches | 6.26 x 2.90 x 0.34 inches |
| 5.82 ounces | 6.60 ounces |
| Black, Blue and White | Prism cube black |
| Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 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 |
| 4 GB RAM | 6 GB RAM |
| Mali-G71 MP2 GPU | Mali-G76 MP5 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 11.74 | 15.38 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") 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 |
| 9.46 | 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 | |
| 4000mAh Li - Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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 5G has a global score of 90.8, which is much better than Galaxy A30's global score of 79.6. Samsung Galaxy A51 5G's body is newer than Galaxy A30's, although it is thicker and somewhat heavier. The Galaxy A51 5G has a little faster CPU than Galaxy A30, and although they both have a Octa-Core processing unit, the Galaxy A51 5G also has 2 GB more RAM.
The Galaxy A51 5G features a little bit better looking display than Galaxy A30, because it has a slightly better resolution of 1080 x 2400px, a bit larger display and a just a bit better display pixel density. The Galaxy A51 5G shoots a lot better pictures and videos than Samsung Galaxy A30, because although it has a smaller diafragm aperture which is worse for low light images and videos, it also counts with a much more mega pixels camera in the back, a lot larger back camera sensor and a way higher 3840x2160 video quality.
Samsung Galaxy A51 5G has a way bigger storage capacity for apps and games than Samsung Galaxy A30, because it has a SD extension slot that supports up to 1000 GB and 64 GB more internal memory. Samsung Galaxy A51 5G counts with just a little better battery duration than Galaxy A30, because it has a 4500mAh battery size.
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