Compare phones
| Global Score | |
| 73.7 | 84.1 |
| Basic Information | |
| Sony | Samsung |
| Android 5.0 | Android 11, 10 |
| 2015-05-26 | 2020-03-23 |
| 5.76 x 2.83 x 0.27 inches | 6.26 x 2.96 x 0.35 inches |
| 5.08 ounces | 6.63 ounces |
| Black, Brown, Green and White | Midnight blue and Raven black |
| Glass; metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 170.00 | -- |
| Display / Screen | |
| 5.2 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 8.9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Exynos 9611 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Single-Core 2000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB (1600 MHz) RAM | 4 GB RAM |
| Adreno 430 GPU | Mali-G72 MP3 GPU |
| 8.37 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 11.74 |
| Camera | |
| 20.70 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.45 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 7.1 | 6.7 |
| Battery Life | |
| 2930mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 590 hours standby time 17 hours talk time | -- |
| 4.88 | 7.52 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M21 has a general score of 84.1, which is much better than the Xperia Z3+'s general score of 73.7. The Galaxy M21 body is extremely newer than Xperia Z3+'s, although it's extremely heavier and way thicker. Both of these phones work with Android OS (Operating System), but Galaxy M21 has a more recent 11 version while Xperia Z3+ has Android 5.0, providing the user some nice extra features and optimized performance.
Galaxy M21 counts with a better performing CPU than Xperia Z3+, because it has a larger number of cores and more RAM. The Sony Xperia Z3+ counts with just a bit better screen than Samsung Galaxy M21, because although it has a little worse 1920 x 1080 resolution and a little smaller display, it also counts with a quite better screen pixel density.
Samsung Galaxy M21 has a much better camera than Xperia Z3+, and although they both have the same 3840x2160 video quality, the same 30 frames per second video frame rate and a same size aperture, the Samsung Galaxy M21 also has a camera with a way higher 48 MP resolution and a bigger sensor which provides a higher image and video quality.
The Galaxy M21 counts with a way bigger storage capacity for apps and games than Xperia Z3+, because it has a SD memory slot that allows up to 512 GB and 64 GB internal storage capacity. The Samsung Galaxy M21 features a really longer battery life than Xperia Z3+, because it has 6000mAh of battery capacity.
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