Compare phones
| Global Score | |
| 72.9 | 84.1 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4, 4.4.2 | Android 11, 10 |
| 2014-02-24 | 2020-03-23 |
| 5.78 x 2.89 x 0.32 inches | 6.26 x 2.96 x 0.35 inches |
| 5.75 ounces | 6.63 ounces |
| Black, Purple and White | Midnight blue and Raven black |
| Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 500.00 | -- |
| 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 |
| 9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 801 MSM8974-AB chipset | Exynos 9611 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 16 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 |
| 6.72 | 11.74 |
| Camera | |
| 20.70 MP + 2.20 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.8 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 3200mAh Li-Ion Battery | 6000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 690 hours standby time 15 hours talk time | -- |
| 5.2 | 7.52 |
| Other Features | |
| Bluetooth 4.0 | 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 Samsung Galaxy M21 is better than Xperia Z2, with a global score of 84.1 against 72.9. Both devices in this comparison review work with Android OS (operating system), but Samsung Galaxy M21 has the previous 11 version and Xperia Z2 has Android 4.4.4. Samsung Galaxy M21's body is much newer, but somewhat heavier and a bit thicker than the Xperia Z2.
The Galaxy M21 features a CPU that's just as good as the Xperia Z2 one, because although the Galaxy M21 has doesn't have an extra graphics processing unit, it also counts with a higher number of cores and a greater amount of RAM memory. Sony Xperia Z2 counts with a bit better looking display than Galaxy M21, because although it has a quite lower 1920 x 1080 resolution and a little smaller display, it also counts with a little bit greater pixel density.
The Galaxy M21 has a lot better camera than Xperia Z2, and although they both have the same 3840x2160 (4K) video resolution, the same aperture and the same video frame rates, the Galaxy M21 also has a larger back-facing camera sensor which gives a higher photo and video quality and a camera in the back with a lot better resolution.
The Galaxy M21 counts with a very superior storage capacity to install games and applications than Xperia Z2, because it has 64 GB internal memory capacity and a slot for external memory cards that holds a maximum of 512 GB. Samsung Galaxy M21 counts with a way better battery life than Xperia Z2, because it has a 6000mAh battery size.
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