Compare phones
| Global Score | |
| 77 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 10 |
| 2019-10-05 | 2020-09-11 |
| 6.43 x 3.05 x 0.31 inches | 6.45 x 3.00 x 0.37 inches |
| 6.46 ounces | 7.51 ounces |
| Black, Blue, Green and Red | Black and White |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1560 x 720 pixels | 2340 x 1080 pixels |
| TFT | Super AMOLED Plus |
| 264 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 (14 nm) chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Cortex-A53 (Octa-Core 1800 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Adreno 618 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 13.00 MP + 8.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.25 inches (1/4") sensor | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 8.91 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 8.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | 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 M51 has a general score of 87.7, which is better than Galaxy A20s's 77 score. Galaxy M51's body is newer than Galaxy A20s's, although it is heavier and thicker. Both phones in this comparison work with Android operating system, but the Galaxy M51 has the older 10 version while Galaxy A20s has Android 11 version.
Samsung Galaxy M51 features a much better looking screen than Galaxy A20s, because it has a better pixels amount in each inch in the display, a little bigger screen and a way better 1080 x 2340 resolution. Galaxy M51 has a much greater memory capacity to install applications and games than Galaxy A20s, and although they both have a slot for an external memory card that holds a maximum of 512 GB, the Galaxy M51 also has 128 GB internal memory.
The Samsung Galaxy M51 has a bit better processing unit than Samsung Galaxy A20s, and although they both have 8 cpu cores, the Samsung Galaxy M51 also has more RAM memory. Galaxy M51 takes much better photos and videos than Samsung Galaxy A20s, and although they both have a F1.8 camera aperture, the Galaxy M51 also has a lot more megapixels back-facing camera, a lot higher video definition and a way larger camera sensor which gives a much higher image and video quality.
Samsung Galaxy M51 has a much longer battery life than Galaxy A20s, because it has a 75% greater battery size.
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