Compare phones
| Global Score | |
| 84.1 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10 |
| 2020-03-23 | 2020-09-11 |
| 6.26 x 2.96 x 0.35 inches | 6.45 x 3.00 x 0.37 inches |
| 6.63 ounces | 7.51 ounces |
| Midnight blue and Raven black | Black and White |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED Plus |
| 403 pixels per inch | 385 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 618 GPU |
| 9.27 | 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 | |
| 48.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 11.88 |
| 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 | |
| 6000mAh Li - Polymer Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 8.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M51 has a general score of 87.7, which is slightly better than the Samsung Galaxy M21's 84.1 global score. Galaxy M51's construction is somewhat heavier and a little bit thicker than Samsung Galaxy M21. Both phones we are comparing here come with Android OS (Operating System), but the Galaxy M51 has the previous 10 version and Samsung Galaxy M21 has Android 11 version.
The Galaxy M51 and Samsung Galaxy M21 feature similar processors, and although the Galaxy M51 has more RAM memory, they both have the same number of cores. Samsung Galaxy M21 counts with a little sharper display than Samsung Galaxy M51, because although it has a quite smaller display, and they both have exactly the same 1080 x 2340 pixels resolution, the Samsung Galaxy M21 also counts with a bit greater screen pixels density.
The Galaxy M51 has much more storage capacity to install applications and games than Galaxy M21, and although they both have a slot for SD memory cards that admits up to 512 GB, the Galaxy M51 also has 64 GB more internal storage capacity. The Samsung Galaxy M51 features greater battery lifetime than Galaxy M21, because it has 7000mAh of battery capacity.
The Samsung Galaxy M51 captures slightly better pictures and videos than Samsung Galaxy M21, and although they both have the same video definition and the same 30 frames per second video frame rate, the Samsung Galaxy M51 also has a larger aperture, a bigger back camera sensor shooting better quality photographs and a way more mega pixels back facing camera.
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