| Global Score | |
| 55.3 | 60.8 |
| Basic Information | |
| ZTE | Microsoft |
| Android 4.4 | Windows 10 Mobile |
| -- | 2015-10-06 |
| 5.30 x 2.60 x 0.40 inches | 5.36 x 2.67 x 0.39 inches |
| 4.80 ounces | 5.01 ounces |
| Black | Black and White |
| -- | Plastic |
| $ 2839.00 | $ 185.00 |
| Display / Screen | |
| 4.5 inches | 4.7 inches |
| 540 x 960 pixels | 720 x 1280 pixels (HD) |
| LCD | LCD |
| 245 pixels per inch | 312 pixels per inch |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 7.9 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 410 8916 chipset | Qualcomm Snapdragon 210 8909 chipset |
| 64-bit ARM Cortex-A53 (Quad-Core 1200 MHz) processor | ARM Cortex-A7 (Single-Core 1100 MHz) processor |
| 1 GB RAM | 1 GB RAM |
| Adreno 306 (450 MHz) GPU | Adreno 304 GPU |
| 9 | 7.56 |
| Storage | |
| 8 GB internal memory | 8 GB internal memory |
| microSD, microSDHC (up to 32 GB) external memory slot | microSD, microSDHC, microSDXC (up to 200 GB) external memory slot |
| 4.62 | 6.06 |
| Camera | |
| 5.00 MP + 2.00 MP | 5.00 MP + 2.00 MP |
| -- | f/2.40 aperture |
| -- | 28.00mm focal length |
| -- | 0.25 inches (1/4") sensor |
| 1280 x 720 (HD) video resolution | 1280 x 720 (30 fps) (HD) video resolution |
| 6.05 | 7.7 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G) and CDMA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| -- | Nano SIM |
| 5.5 | 7 |
| Battery Life | |
| 2000mAh Li-Polymer Battery | 2100mAh Battery |
| Non-Removable Battery | Removable Battery |
| 14 hours talk time | 672 hours standby time 16 hours talk time |
| 3.92 | 4 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 4.1 |
| GPS | GPS |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
| FM Radio | -- |
The Lumia 550 has a score of 60.8, which is just a bit better than ZTE Speed's score of 55.3. Lumia 550 counts with Windows 10 Mobile OS, while ZTE Speed has Android 4.4 OS. The Lumia 550 is a just a little thinner but a little heavier cellphone than the ZTE Speed. The ZTE Speed counts with a better performing processor than Microsoft Lumia 550, and although they both have a 1 GB RAM, the ZTE Speed also has an additional GPU, a higher number of cores and a 64 bits processing unit.
The Lumia 550 counts with a little sharper display than ZTE Speed, because it has a little larger display, a greater display density and a higher 1280 x 720 resolution. Microsoft Lumia 550 counts with much more storage for games and applications than ZTE Speed, and although they both have the same 8 GB internal memory, the Microsoft Lumia 550 also has an external SD slot that allows a maximum of 200 GB.
Lumia 550 shoots greater pictures and videos than ZTE Speed. Both of them have the same video frame rates, a same resolution back facing camera and the same 1280x720 (HD) video definition. The Lumia 550 has just a little better battery duration than ZTE Speed, because it has a 5 percent greater battery capacity.
Even being the best phone of the ones in this comparison, the Lumia 550 is also very cheap compared to the other phones.
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