| Global Score | |
| 71.9 | 79 |
| Basic Information | |
| Samsung | |
| Android 9.0 Pie | Android 4.4 |
| 2019-10-14 | 2013-03-14 |
| 6.25 x 2.96 x 0.35 inches | 5.38 x 2.75 x 0.31 inches |
| 6.56 ounces | 4.59 ounces |
| Diamond black and Twilight blue | Black, Blue, Red and White |
| Glass (Corning Gorilla Glass 5) and Metal | Polycarbonate |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 549.00 | $ 135.00 |
| Display / Screen | |
| 6.4 inches | 5 inches |
| 2340 x 1080 pixels | 1080 x 1920 pixels (Full HD) |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 441 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 8.4 | 9.1 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Qualcomm Snapdragon 600 APQ8064T chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Krait 300 (Quad-Core 1900 MHz) processor |
| 8 GB RAM | 2 GB (800 MHz) RAM |
| Adreno 640 GPU | Adreno 320 (400 MHz) GPU |
| 9.72 | 9 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSD, microSDHC, microSDXC (up to 64 GB) external memory slot |
| 10.1 | 9.46 |
| Camera | |
| 48.00 MP | 13.00 MP + 2.00 MP |
| f/1.70 aperture | f/2.20 aperture |
| 26.00mm focal length | 31.00mm focal length |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 7680 x 4320 (15 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 3840 x 2160 (60 fps) (4K) slow motion video | -- |
| 11.22 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Micro SIM |
| 6.7 | 7 |
| Battery Life | |
| 4000mAh Battery | 2600mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | Wireless Charging |
| -- | 17 hours talk time |
| 5.92 | 4.56 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 4.0 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Galaxy S4 is a little bit better than the nubia Z20, having a 79 score against 71.9. Both of these phones work with Android operating system, but the Galaxy S4 has the previous 4.4 version while nubia Z20 has Android 9.0 Pie. Galaxy S4 is an notably older phone than the nubia Z20, but Samsung could make it much lighter and somewhat thinner.
The nubia Z20 has just a little better performance than Galaxy S4, because although it has doesn't have an additional GPU, it also counts with a greater amount of RAM memory and a larger number of cores. The Galaxy S4 features just a bit better looking display than nubia Z20, because although it has a much smaller display and a bit lower resolution of 1920 x 1080, it also counts with a just a little better pixels density.
The nubia Z20 captures greater pictures and videos than Galaxy S4, because it has a lot larger aperture to capture better low-light images and videos, a way better 48 mega-pixels resolution back-facing camera, a much better video definition and a way bigger sensor capturing more light and vivid colors.
Nubia Z20 has a slightly bigger memory for games and applications than Samsung Galaxy S4, because although it has no slot for an external memory card, it also counts with more internal memory. Nubia Z20 has a much longer battery lifetime than Samsung Galaxy S4, because it has 4000mAh of battery capacity.
Galaxy S4 is not only the best phones of the ones in this comparison, but it's also a lot cheaper.
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