Compare phones
| Global Score | |
| 85.5 | 77.2 |
| Basic Information | |
| Samsung | Nokia |
| Android 11, 10 | Android 11 |
| 2019-12-27 | 2021-05-01 |
| 6.24 x 2.90 x 0.31 inches | 6.65 x 3.14 x 0.36 inches |
| 6.07 ounces | 7.76 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Midnight Sun and Nordic Blue |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | 1080 x 2400 pixels |
| Super AMOLED | -- |
| 405 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 480 5G SM4350 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 460, 64-bit, 8 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 619 GPU |
| 9.27 | 9.18 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 14.14 |
| Camera | |
| 48.00 MP + 32.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | -- |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | -- |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.55 | 8.8 |
| 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 - Polymer Battery | 4470mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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
The Galaxy A51 is better than the Nokia X20, with an 85.5 score against 77.2. Both phones in this comparison review use the same Android 11 OS, so you shouldn't see any difference regarding that. The Galaxy A51 construction is a lot lighter and somewhat thinner than the Nokia X20, although it was released just a bit over a year before.
The Samsung Galaxy A51 counts with a bit more vivid screen than Nokia X20, because although it has a quite smaller display, and they both have the same exact 1080 x 2400 pixels resolution, the Samsung Galaxy A51 also counts with a little bit better pixel density. Nokia X20 counts with as much storage for games and applications as the Samsung Galaxy A51 one, both have the same internal storage capacity and a SD extension slot that holds a maximum of 512 GB.
Samsung Galaxy A51 features just a bit better performance than Nokia X20, although it has less RAM, they both have a Octa-Core CPU. Galaxy A51 counts with a way better camera than Nokia X20, although it has a lot lower 48 mega-pixels resolution back-facing camera. Nokia X20 counts with a little better battery duration than Galaxy A51, because it has a 4470mAh battery capacity.
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