| Global Score | |
| 76 | 84.1 |
| Basic Information | |
| Samsung | |
| Android 4.4.3 | Android 11, 10 |
| 2013-10-31 | 2020-03-23 |
| 5.43 x 2.72 x 0.34 inches | 6.26 x 2.96 x 0.35 inches |
| 4.59 ounces | 6.63 ounces |
| Black, Red and White | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 480.00 | -- |
| Display / Screen | |
| 5 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 441 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8974 chipset | Exynos 9611 chipset |
| Krait 400 (Quad-Core 2260 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB (800 MHz) RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 5.8 | 11.74 |
| Camera | |
| 8.00 MP + 1.30 MP | 48.00 MP + 20.00 MP |
| f/2.40 aperture | f/2.00 aperture |
| 30.40mm focal length | 26.00mm focal length |
| 0.31 inches (1/3.2") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.47 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 7.1 | 6.7 |
| Battery Life | |
| 2300mAh Li-Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 300 hours standby time 17 hours talk time | -- |
| 4.24 | 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 |
The Samsung Galaxy M21 has a score of 84.1, which is better than the Google Nexus 5's overall score of 76. Both of these phones work with Android OS (Operating System), but Samsung Galaxy M21 has an older 11 version while Google Nexus 5 has Android 4.4.3. Samsung Galaxy M21's body is newer than Google Nexus 5's, although it's heavier and a bit thicker.
The Galaxy M21 counts with a processor that is very similar to the Google Nexus 5 one, because although the Galaxy M21 has doesn't have an extra graphics processing unit, it also counts with a greater number of faster cores and a higher amount of RAM. The Google Nexus 5 counts with a bit sharper display than Galaxy M21, because although it has a lot smaller screen and a little bit lower resolution of 1920 x 1080, it also counts with a little greater screen density.
Galaxy M21 features a superior memory capacity for games and applications than Google Nexus 5, because it has 32 GB more internal storage capacity and an external SD slot that supports a maximum of 512 GB. Samsung Galaxy M21 features a superior battery life than Google Nexus 5, because it has a 6000mAh battery capacity against 2300mAh.
Galaxy M21 shoots way better videos and photos than Google Nexus 5, because it has a way bigger sensor capturing much better quality photographs and videos, a much higher 3840x2160 video definition, a camera with a way better resolution and a larger aperture.
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