  |  |  |  |  |
| CPU cores | 8-core | Quad-core | Quad-core | Quad-core | Single-core |
|---|---|---|---|---|---|
| Operating system | N/A | Android 4.2 | Android 7.0 | Android 7.1 | Proprietary OS |
| CPU clock speed | N/A | 1.5 GHz | 2.35 GHz | 1.3 GHz | N/A |
| CPU model | N/A | MediaTek MT6589T | Qualcomm Snapdragon 821 MSM8996 Pro | MediaTek MT6737 | N/A |
| GPU model | N/A | PowerVR SGX544 | Qualcomm Adreno 530 | ARM Mali-T720 | N/A |
| RAM memory | N/A | 2 GB | 4 GB | 2 GB | N/A |
| Screen size | 5.5 in | 4.5 in | 5.7 in | 5.0 in | N/A |
|---|---|---|---|---|---|
| Touchscreen | yes | N/A | yes | N/A | no |
| Panel type | LCD | LCD | LCD | LCD | LCD |
| Technology | IPS TFT | IPS LCD | IPS TFT | IPS TFT | N/A |
| HDR | no | N/A | yes | N/A | no |
| Resolution | N/A | 1280 x 720 px | 1440 x 2880 px | 720 x 1280 px | 128 x 160 px |
| Pixel density | N/A | 326.0 ppi | 564.0 ppi | 294.0 ppi | N/A |
| Multi touch | N/A | yes | N/A | N/A | N/A |
| Number of colors | N/A | N/A | 16.7M | 16.7M | 65K |
| Dual screen support | N/A | N/A | no | N/A | no |
| Scratch resistant display | N/A | N/A | yes | N/A | no |
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