Compare phones
| Global Score | |
| 84.1 | 78.8 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | Android 5.1 |
| 2020-03-23 | 2015-06-16 |
| 6.26 x 2.96 x 0.35 inches | 5.69 x 2.85 x 0.34 inches |
| 6.63 ounces | 5.64 ounces |
| Midnight blue and Raven black | Black and White |
| Plastic and Plastic | Glass and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.4 inches | 5.2 inches |
| 2340 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 565 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 8.4 | 9.7 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 810 MSM8994 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB (1600 MHz) RAM |
| Mali-G72 MP3 GPU | Adreno 430 (600 MHz) GPU |
| 9.27 | 9.45 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 11.74 | 8.12 |
| Camera | |
| 48.00 MP + 20.00 MP | 20.70 MP + 5.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 25.00mm focal length |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") 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 (60 fps) (Full HD) slow motion video |
| 11.55 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS, GSM and CDMA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7.2 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3000mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | -- |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy M21 is just a bit better than the Xperia Z4v, with an 84.1 score against 78.8. Samsung Galaxy M21 is a notably newer phone than Xperia Z4v, although it is heavier and a bit thicker. Both of these devices come with Android OS (Operating System), but Samsung Galaxy M21 has the newer 11 version and Xperia Z4v has Android 5.1, so it provides you a lot of extra features and improved performance.
Sony Xperia Z4v has a bit better hardware performance than Galaxy M21, because although it has less RAM, and they both have a Octa-Core processing unit, the Sony Xperia Z4v also counts with an extra graphics processor. The Sony Xperia Z4v features a brighter display than Samsung Galaxy M21, because although it has a little bit smaller display, it also counts with more pixels per inch in the display and a higher resolution of 2560 x 1440 pixels.
Samsung Galaxy M21 counts with a much better camera than Xperia Z4v, and although they both have the same 30 frames per second video frame rates, the same video quality and a F2 diafragm aperture, the Samsung Galaxy M21 also has a larger sensor providing a better image quality and a back facing camera with a lot better resolution.
Galaxy M21 has a way bigger storage capacity to install games and applications than Sony Xperia Z4v, because it has a slot for an external memory card that allows a maximum of 512 GB and more internal memory. Galaxy M21 counts with a much better battery lifetime than Xperia Z4v, because it has 6000mAh of battery capacity against 3000mAh.
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