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| Operating system | Android 4.4 | Android 4.4 | Android 8.1 | OxygenOS | OxygenOS |
|---|---|---|---|---|---|
| CPU clock speed | 1.2 GHz | 1.3 GHz | 2.8 GHz | 2.8 GHz | 2.84 GHz |
| CPU cores | Dual-core | Quad-core | 8-core | 8-core | 8-core |
| CPU model | Intel Atom Z2520 | N/A | Qualcomm Snapdragon 845 SDM845 | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 865 |
| GPU model | PowerVR SGX544 | N/A | Qualcomm Adreno 630 | N/A | N/A |
| RAM memory | 1 GB | 1 GB | 8 GB |
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| Screen size | 4.5 in | 4.7 in | 6.28 in | 6.41 in | 6.55 in |
|---|---|---|---|---|---|
| Panel type | LCD | LCD | OLED | N/A | N/A |
| Resolution | 854 x 480 px | 1280 x 720 px | 1080 x 2280 px | 2340 x 1080 px | 2400 x 1080 px |
| Pixel density | 218.0 ppi | 312.0 ppi | 402.0 ppi | 402.0 ppi | 402.0 ppi |
| Multi touch | yes | yes | N/A | N/A | N/A |
| Technology | N/A | IPS LCD |
| Optic AMOLED | Fluid Amoled |
| Touchscreen | N/A | N/A | yes | N/A | N/A |
| Number of colors | N/A | N/A | 16.7M | N/A | 16.7M |
| Screen material | N/A | N/A | Corning Gorilla Glass 5.0 | Corning Gorilla Glass 6.0 | Corning Gorilla Glass 3D |
| Dual screen support | N/A | N/A | no | N/A | N/A |
| Scratch resistant display | N/A | N/A | yes | N/A | N/A |
| HDR | N/A | N/A | no | N/A | yes |
| Primary sensor resolution | 5.0 Mpx | 13.0 Mpx | 16.0 Mpx | 16.0 Mpx | 48.0 Mpx |
|---|---|---|---|---|---|
| Primary lens aperture | 2.0 f | N/A | N/A | N/A | N/A |
| Autofocus | yes | yes | yes | N/A | N/A |
| Face detection | yes | N/A | Smile capture | Smile capture | N/A |
| Geo-tagging | yes | N/A | yes | N/A | N/A |
| LED Flash | yes | yes | yes | N/A | N/A |
| Touch focus | yes | N/A | yes | N/A | N/A |
| Primary sensor size | N/A | N/A | 1/2.6" | N/A | 1/1.4" |
| Resolution (second camera) | N/A | N/A | 20.0 Mpx | 20.0 Mpx | 2.0 Mpx |
| Lens aperture (second camera) | N/A | N/A | F/1.7 | F/1.7 | F/2.4 |
| Focus adjustment | N/A | N/A | Automatic | Automatic | Automatic |
| Video recording | N/A | N/A | yes | N/A | N/A |
| Highest video resolution | N/A | N/A | 3840 x 2160 px | N/A | N/A |
| Maximum FPS at the highest resolution | N/A | N/A | 60.0 fps | N/A | N/A |
| Maximum FPS (regardless of res.) | N/A | N/A | 480.0 fps | N/A | N/A |
| Max resolution (highest frame rate) | N/A | N/A | 1280 x 720 px | N/A | N/A |
| Optical image stabilization | N/A | N/A | yes | N/A | N/A |
| Resolution (third camera) | N/A | N/A | N/A | N/A | 16.0 Mpx |
| Lens aperture (third camera) | N/A | N/A | N/A | N/A | F/2.2 |
| Field of View (FoV) (third camera) | N/A | N/A | N/A | N/A | 116.0 ° |
| Primary resolution | 0.3 Mpx | 5.0 Mpx | 16.0 Mpx | 16.0 Mpx | 16.0 Mpx |
|---|---|---|---|---|---|
| Face detection | yes | N/A | Smile capture | Smile capture | N/A |
| Focus adjustment | N/A | N/A | Automatic | Automatic | Automatic |
| Lens aperture | N/A | N/A | F/2.0 | N/A | F/2.45 |
| Light source | N/A | N/A | Display flash | Display flash | Display flash |
| Height | 5.37 in | 5.51 in | 6.13 in | 6.2 in | 6.31 in |
|---|---|---|---|---|---|
| Width | 2.64 in | 2.67 in | 2.97 in | 2.94 in | 2.87 in |
| Depth | 0.43 in | 0.32 in | 0.31 in | 0.32 in | 0.31 in |
| Weight | 5.29 oz | N/A | 6.24 oz | 6.53 oz | 6.35 oz |
| Accelerometer | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Proximity | yes | yes | yes | yes | yes |
| Digital compass | yes | yes | yes | yes | yes |
| Ambient light sensor | yes | yes | yes | yes | yes |
| Fingerprint | N/A | N/A | yes | N/A | N/A |
| Gyroscope | N/A | N/A | yes | yes | yes |
| Face scanner | N/A | N/A | yes | N/A | N/A |
| Sim card size | Micro-SIM | N/A | Nano-SIM | Nano-SIM | Nano-SIM |
|---|---|---|---|---|---|
| Bluetooth | yes | yes | yes | yes | yes |
| Bluetooth version | 4.0 | 2.0 EDR | 5.0 | 5.0 | 5.1 |
| Headphone connection | 3.5 mm | 3.5 mm | 3.5 mm | 3.5 mm | N/A |
| Type of USB connector | Micro-USB | Micro-USB | USB Type-C | USB Type-C | USB Type-C |
| Dual sim support | N/A | yes | yes | yes | yes |
| DLNA certified | N/A | N/A | yes | N/A | N/A |
| Bluetooth profile | N/A | N/A | A2DP | N/A | N/A |
| Bluetooth codec | N/A | N/A |
| N/A | N/A |
| NFC | N/A | N/A | yes | yes | yes |
| Charging connection | N/A | N/A | USB | USB | USB |
| USB version | N/A | N/A | 2.0 | N/A | N/A |
| USB On-The-Go (OTG) | N/A | N/A | no | N/A | N/A |
| Video output | N/A | N/A | DisplayPort over USB-C | N/A | N/A |
| Wireless network (Wi-Fi) | yes | yes | yes | N/A | N/A |
|---|---|---|---|---|---|
| Data transmission | HSPA+ | HSDPA |
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| Navigation system | GPS | GPS |
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| 2G GSM | yes | yes | yes | N/A | N/A |
| GSM frequencies |
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| UMTS frequences |
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| Mobile hotspot | yes | N/A | N/A | N/A | N/A |
| Wireless networking standard | N/A | N/A |
| N/A | N/A |
| 3G UMTS | N/A | N/A | yes | N/A | N/A |
| 4G LTE | N/A | N/A | yes | N/A | N/A |
| Replaceable battery | yes | N/A | no | N/A | N/A |
|---|---|---|---|---|---|
| Battery type | Lithium ion | Lithium ion | N/A | N/A | Lithium ion |
| Battery capacity | 2100.0 mAh | 2200.0 mAh | 3300.0 mAh | 3700.0 mAh | 4300.0 mAh |
| Standby time | 260.0 h | N/A | N/A | N/A | N/A |
| Talk time | 30.0 h | N/A | N/A | N/A | 29.0 h |
| Fast charging | N/A | N/A | yes | N/A | N/A |
| Fast charging standard | N/A | N/A | Dash Charge | N/A | N/A |
| Wireless charging | N/A | N/A | no | N/A | N/A |
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