Compare phones
| Global Score | |
| 74.5 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2021-01-04 | 2020-04-29 |
| 6.46 x 2.99 x 0.36 inches | 6.26 x 2.90 x 0.34 inches |
| 6.91 ounces | 6.60 ounces |
| Black, Blue and White | Prism cube black |
| Plastic and Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 170.00 | $ 339.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Samsung Exynos 980 chipset |
| 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 |
| 3 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Mali-G76 MP5 GPU |
| 8.91 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 11.12 | 15.38 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 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 |
| 8.8 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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 |
| 6.6 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A51 5G has an overall score of 90.8, which is a lot better than Galaxy A02s's 74.5 score. Both of these devices have the same Android 11 OS (operating system). Galaxy A51 5G is a just a little bit lighter and a little bit thinner phone than the Galaxy A02s, even when both of them were only released 8 months apart.
Galaxy A51 5G features a better looking screen than Galaxy A02s, and although they both have a screen with the same size, the Galaxy A51 5G also has a lot better 1080 x 2400 resolution and a greater screen pixels density. Samsung Galaxy A51 5G features just a little better performance than Samsung Galaxy A02s, and although they both have a Octa-Core processing unit, the Samsung Galaxy A51 5G also has 3 GB more RAM memory.
The Galaxy A51 5G shoots much better photographs and videos than Galaxy A02s, because it has a lot better 3840x2160 video resolution, a bigger diafragm aperture and a lot better 48 MP resolution camera in the back. Galaxy A51 5G features a much bigger storage for games and applications than Galaxy A02s, because although it has a SD card slot that admits 24 GB smaller, it also counts with 96 GB more internal memory.
Samsung Galaxy A02s has a bit better battery duration than Galaxy A51 5G, because it has an 11 percent bigger battery capacity.
The Galaxy A51 5G costs a lot more money than the Galaxy A02s, but it's still a convenient choice, as you can get a lot more features for that extra money.
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