Compare phones
| Global Score | |
| 73.1 | 77.2 |
| Basic Information | |
| Samsung | Nokia |
| Android 9.0 Pie, 8.0 Oreo | Android 11 |
| 2018-07-13 | 2021-05-01 |
| 6.03 x 3.00 x 0.34 inches | 6.65 x 3.14 x 0.36 inches |
| 6.38 ounces | 7.76 ounces |
| Blue | Midnight Sun and Nordic Blue |
| Scratch-Resistant Glass | -- |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1280 x 720 pixels (HD) | 1080 x 2400 pixels |
| TFT | -- |
| 267 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 480 5G SM4350 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 460, 64-bit, 8 nm (Octa-Core 2000 MHz) processor |
| 2 GB RAM | 6 GB RAM |
| Mali-T830 MP1 GPU | Adreno 619 GPU |
| 8.73 | 9.18 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.44 | 14.14 |
| Camera | |
| 13.00 MP + 13.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | -- |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 9.13 | 8.8 |
| 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 | Nano SIM |
| 6.6 | 10.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4470mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Nokia X20 is slightly better than the Galaxy J7 Star, with a 77.2 score against 73.1. The Nokia X20 body is newer than Galaxy J7 Star's, but it is somewhat heavier and a bit thicker. Both of these phones have Android OS (operating system), but the Nokia X20 has 11 version while Galaxy J7 Star has Android 9.0 Pie.
The Nokia X20 counts with a more vivid screen than Samsung Galaxy J7 Star, because it has a bigger display, a much better 2400 x 1080 resolution and more pixels per inch of screen. The Nokia X20 has a superior memory for apps and games than Galaxy J7 Star, because it has a slot for SD memory cards that holds up to 512 GB and 128 GB internal storage capacity.
Nokia X20 has a bit superior processing unit than Galaxy J7 Star, and although they both have 8 cores, the Nokia X20 also has a higher amount of RAM memory. Samsung Galaxy J7 Star shoots a little bit better photographs and videos than Nokia X20, although it has a way worse resolution back-facing camera.
Nokia X20 has greater battery lifetime than Samsung Galaxy J7 Star, because it has a 35% bigger battery capacity.
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