Compare phones
| Global Score | |
| 79.8 | 84.1 |
| Basic Information | |
| Sony | Samsung |
| Android 5.1 | Android 11, 10 |
| 2015-09-02 | 2020-03-23 |
| 6.08 x 2.99 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 6.35 ounces | 6.63 ounces |
| Black, Gold and Gray | Midnight blue and Raven black |
| Glass and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 545.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 2160 x 3840 pixels (4K) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 801 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 10.6 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Exynos 9611 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-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 (450 MHz) GPU | Mali-G72 MP3 GPU |
| 9.36 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 200 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.56 | 11.74 |
| Camera | |
| 23.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 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 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (60 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.56 | 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 | |
| 3430mAh Li-Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 630 hours standby time 15.2 hours talk time | -- |
| 5.44 | 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 | FM Radio |
Comparison review
The Galaxy M21 has an overall score of 84.1, which is a little bit better than Xperia Z5 Premium's 79.8 global score. Both devices in this comparison include Android operating system, but the Galaxy M21 has a more recent 11 version and Xperia Z5 Premium has Android 5.1 version. Galaxy M21's design is a lot newer, but just a little heavier and thicker than the Xperia Z5 Premium.
The Xperia Z5 Premium features a bit superior processing unit than Galaxy M21, because although it has a smaller amount of RAM memory, and they both have a Octa-Core CPU, the Xperia Z5 Premium also counts with an additional graphics processing unit. Xperia Z5 Premium features a lot better screen than Samsung Galaxy M21, because although it has a little smaller display, it also counts with a much better 3840 x 2160 resolution and way more pixels per inch in the screen.
The Galaxy M21 has a very superior memory to install applications and games or saving photos and videos than Xperia Z5 Premium, because it has 64 GB internal storage capacity and a slot for external memory cards that allows up to 512 GB. The Galaxy M21 shoots slightly better videos and photos than Xperia Z5 Premium, because although it has a smaller diafragm aperture which is not nice for capturing pictures or video in low light environments, and they both have the same 3840x2160 (4K) video resolution and the same video frame rates, the Galaxy M21 also counts with a camera in the back with lot more megapixels and a bigger back-facing camera sensor.
Galaxy M21 has a really longer battery duration than Sony Xperia Z5 Premium, because it has a 6000mAh battery capacity.
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