Compare phones
| Global Score | |
| 72.5 | 87 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2018-07-13 | 2020-11-06 |
| 6.03 x 3.00 x 0.34 inches | 6.47 x 2.99 x 0.34 inches |
| 6.38 ounces | 6.81 ounces |
| Black | Prism Dot black, Prism Dot grey and Prism Dot white |
| Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 230.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.6 inches |
| 1280 x 720 pixels (HD) | 1600 x 720 pixels |
| TFT | Super AMOLED |
| 267 pixels per inch | 266 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 7.2 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 750G SM7225 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 2 GB RAM | 4 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 1000 GB) external memory slot |
| 9.44 | 15.38 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") 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 |
| 9.13 | 11.11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 3300mAh Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Samsung Galaxy A42 is better than Galaxy J7 (2018), with an 87 score against 72.5. The Samsung Galaxy A42 body has the same thickness than the Galaxy J7 (2018), but it is a bit heavier. The Galaxy A42 has a little bit better looking display than Galaxy J7 (2018), because although it has a little inferior number of pixels per inch of display, it also counts with a bit higher 720 x 1600px resolution and a bigger display.
The Samsung Galaxy A42 counts with a lot bigger storage capacity for apps and games than Galaxy J7 (2018), because it has a SD memory card expansion slot that allows a maximum of 1000 GB and 128 GB internal memory capacity. The Galaxy A42 has a bit faster CPU than Galaxy J7 (2018), and although they both have 8 CPU cores, the Galaxy A42 also has a greater amount of RAM memory.
The Galaxy A42 captures greater photographs and videos than Samsung Galaxy J7 (2018), because although it has a smaller diafragm aperture which is not nice for low-light photos and videos, it also counts with a much higher 3840x2160 (4K) video quality and a back camera with lot more mega pixels. The Galaxy A42 has a much longer battery lifetime than Galaxy J7 (2018), because it has a 5000mAh battery size instead of 3300mAh.
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