Compare phones
| Global Score | |
| 79.6 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2019-03-02 | 2019-12-27 |
| 6.24 x 2.94 x 0.30 inches | 6.24 x 2.90 x 0.31 inches |
| 5.82 ounces | 6.07 ounces |
| Black, Blue and White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| 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 9611 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 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-G71 MP2 GPU | Mali-G72 MP3 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 512 GB) external memory slot |
| 11.74 | 14.14 |
| 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 (240 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 | 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 - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| 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
Galaxy A51 is a bit better than the Samsung Galaxy A30, getting a general score of 85.5 against 79.6. Although the Galaxy A51 is newer than the Samsung Galaxy A30, it's a little heavier and just a little thicker. Samsung Galaxy A51 features just a bit better screen than Galaxy A30, because it has a little greater pixels density, a slightly better resolution of 1080 x 2400 pixels and a little bit larger display.
Galaxy A51 counts with a lot bigger storage for apps and games than Galaxy A30, and although they both have a slot for an external memory card that admits up to 512 GB, the Galaxy A51 also has 64 GB more internal memory. Samsung Galaxy A51 counts with a little faster CPU than Samsung Galaxy A30. Both have 8 cores and a 4 GB RAM memory.
The Galaxy A51 has a battery duration that's just as good as the battery performance in Galaxy A30. The Galaxy A51 shoots much better photographs and videos than Samsung Galaxy A30, because although it has a tinier diafragm aperture which is worse for capturing images and video in poorly lited environments, it also counts with a camera with a much better 48 MP resolution, a way higher 3840x2160 (4K) video quality and a much larger back camera sensor.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.