Compare phones
| Global Score | |
| 84.1 | 83.7 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | Android 11 |
| 2020-03-23 | 2021-06-11 |
| 6.26 x 2.96 x 0.35 inches | 6.08 x 2.69 x 0.33 inches |
| 6.63 ounces | 5.96 ounces |
| Midnight blue and Raven black | Black, Blue and White |
| Plastic and Plastic | Glass (Corning Gorilla Glass 6) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6 inches |
| 2340 x 1080 pixels | 2520 x 1080 pixels |
| Super AMOLED | OLED |
| 403 pixels per inch | 457 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.3 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 690 SM6350 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 560, 64-bit, 8 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 619L GPU |
| 9.27 | 9.18 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 11.74 | 15.42 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 8.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.36 inches (1/2.8") 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 | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 11.55 | 9.68 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy M21 is slightly better than the Sony Xperia 10 III, getting a score of 84.1 against 83.7. These phones work with the same Android 11 OS, so you shouldn't notice any difference regarding that. Although it's the best we compare here, Galaxy M21's construction is older, heavier and just a little thicker than the Sony Xperia 10 III.
Galaxy M21 has a bit sharper screen than Sony Xperia 10 III, because although it has a just a bit lower screen density and a bit worse 1080 x 2340 resolution, it also counts with a little bit larger screen. Samsung Galaxy M21 features a little bit better hardware performance than Xperia 10 III, although it has a lower amount of RAM, they both have 8 cores.
Sony Xperia 10 III counts with a much better storage to store more games and applications than Samsung Galaxy M21, because it has 128 GB internal memory and a SD memory slot that admits a maximum of 1 TB. The Galaxy M21 has a superior camera than Xperia 10 III, because although it has a tinier aperture which is not good for low light photography, and they both have the same 30 frames per second video frame rate and the same (4K) video definition, the Galaxy M21 also counts with a way larger back-facing camera sensor shooting lot higher quality videos and pictures and a camera with a way higher resolution.
Galaxy M21 has greater battery duration than Sony Xperia 10 III, because it has a 6000mAh battery capacity.
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