Compare phones
| Global Score | |
| 75.3 | 87 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo, 7.1 Nougat | Android 11, 10 |
| -- | 2020-11-06 |
| 5.97 x 2.95 x 0.31 inches | 6.47 x 2.99 x 0.34 inches |
| 6.00 ounces | 6.81 ounces |
| Black, Gold and Rose gold | Prism Dot black, Prism Dot grey and Prism Dot white |
| Metal | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 6.6 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 266 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 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 |
| 3 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 256 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 8.88 | 15.38 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm 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, Dual 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 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A42 has a general score of 87, which is much better than Galaxy J7 Prime 2's general score of 75.3. The Galaxy A42 is a somewhat heavier and a little bit thicker phone than Galaxy J7 Prime 2. Both of these phones have Android OS (Operating System), but Galaxy A42 has 11 version while Galaxy J7 Prime 2 has Android 9.0 Pie version.
Samsung Galaxy A42 counts with a little better hardware performance than Samsung Galaxy J7 Prime 2, and although they both have 8 CPU cores, the Samsung Galaxy A42 also has a larger amount of RAM memory. The Galaxy J7 Prime 2 has a little bit better looking screen than Samsung Galaxy A42, because although it has a quite smaller display, it also counts with a lot greater pixel count per screen inch and a better 1080 x 1920 resolution.
The Samsung Galaxy A42 features a very superior camera than Samsung Galaxy J7 Prime 2, because it has a bigger aperture, a way better 3840x2160 (4K) video quality and a much higher 48 mega-pixels resolution back-facing camera. Galaxy A42 features a much bigger memory capacity for applications, games, photos and videos than Galaxy J7 Prime 2, because it has 128 GB internal memory and a SD memory slot that allows up to 1000 GB.
Galaxy A42 has a really longer battery life than Samsung Galaxy J7 Prime 2, because it has a 5000mAh battery size against 3300mAh.
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