Compare phones
| Global Score | |
| 59.4 | 85.5 |
| Basic Information | |
| Cat | Samsung |
| Android 10 | Android 11, 10 |
| 2020-09-09 | 2019-12-27 |
| 6.34 x 3.03 x 0.50 inches | 6.24 x 2.90 x 0.31 inches |
| 7.76 ounces | 6.07 ounces |
| -- | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 280.00 | $ 282.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1440 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 293 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| MediaTek Helio A20 chipset | Samsung Exynos 9611 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Quad-Core 1800 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8300 GPU | Mali-G72 MP3 GPU |
| 8.64 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 14.14 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 7.92 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4200mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.08 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy A51 has a general score of 85.5, which is a lot better than CAT S42's general score of 59.4. Even though the Galaxy A51 and CAT S42 were only released with a couple months difference, the Galaxy A51 is incredibly thinner and notably lighter. These phones include Android OS, but Galaxy A51 has a newer 11 version while CAT S42 has Android 10 version, providing some additional features and enhanced performance.
Samsung Galaxy A51 features a sharper display than CAT S42, because it has a higher pixels density, a lot better resolution of 1080 x 2400 and a bigger screen. Galaxy A51 counts with a much greater storage capacity for applications and games than CAT S42, because it has 96 GB more internal storage capacity and a SD memory card expansion slot that holds a maximum of 512 GB.
The Galaxy A51 features a bit superior processor than CAT S42, because it has a larger amount of RAM and a higher number of cores. CAT S42 features a little better battery duration than Galaxy A51, because it has a 5% greater battery size. The Galaxy A51 captures much clearer pictures and videos than CAT S42, and although they both have a F2 aperture, the Galaxy A51 also has a lot higher video resolution and a back facing camera with a much better 48 megapixels resolution.
The Samsung Galaxy A51 costs a bit more money than the CAT S42, but it's still a convenient choice, as you can get a better phone for that extra money.
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