2.64 in 5.37 in  | 2.92 in 6.3 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Asus Zenfone C |  OnePlus 9 | |
|---|---|---|
| Operating system | Android 4.4 | OxygenOS |
| CPU clock speed | 1.2 GHz | 2.84 GHz |
| CPU cores | Dual-core | 8-core |
| CPU model | Intel Atom Z2520 | Qualcomm Snapdragon 888 |
| GPU model | PowerVR SGX544 | N/A |
| RAM memory | 1 GB |
|
| Asus Zenfone C | OnePlus 9 | |
|---|---|---|
| Screen size | 4.5 in | 6.55 in |
| Panel type | LCD | OLED |
| Resolution | 854 x 480 px | 2400 x 1080 px |
| Pixel density | 218.0 ppi | 402.0 ppi |
| Multi touch | yes | N/A |
| Number of colors | N/A | 16.7M |
| Technology | N/A | Fluid Amoled |
| Screen material | N/A | Corning Gorilla Glass |
| HDR | N/A | yes |
| Asus Zenfone C | OnePlus 9 | |
|---|---|---|
| Primary sensor resolution | 5.0 Mpx | 48.0 Mpx |
| Primary lens aperture | 2.0 f | N/A |
| Autofocus | yes | N/A |
| Face detection | yes | N/A |
| Geo-tagging | yes | N/A |
| LED Flash | yes | N/A |
| Touch focus | yes | N/A |
| Primary sensor size | N/A | 1/1.43" |
| Sensor size (second camera) | N/A | 1/1.56" |
| Resolution (second camera) | N/A | 50.0 Mpx |
| Resolution (third camera) | N/A | 2.0 Mpx |
| Lens aperture (second camera) | N/A | F/2.2 |
| Lens aperture (third camera) | N/A | F/2.4 |
| Field of View (FoV) (second camera) | N/A | 119.0 ° |
| Focus adjustment | N/A | Automatic |
| Asus Zenfone C | OnePlus 9 | |
|---|---|---|
| Primary resolution | 0.3 Mpx | 16.0 Mpx |
| Focus adjustment | N/A | Automatic |
| Lens aperture | N/A | F/2.4 |
| Light source | N/A | Display flash |
| Asus Zenfone C | OnePlus 9 | |
|---|---|---|
| Colour of product | Black | Astral black |
| Asus Zenfone C | OnePlus 9 | |
|---|---|---|
| Height | 5.37 in | 6.3 in |
| Width | 2.64 in | 2.92 in |
| Depth | 0.43 in | 0.34 in |
| Weight | 5.29 oz | 6.77 oz |
| Asus Zenfone C | OnePlus 9 | |
|---|---|---|
| Accelerometer | yes | yes |
| Proximity | yes | yes |
| Digital compass | yes | yes |
| Ambient light sensor | yes | yes |
| Gyroscope | N/A | yes |
| Asus Zenfone C | OnePlus 9 | |
|---|---|---|
| Sim card size | Micro-SIM |
|
| Bluetooth | yes | N/A |
| Bluetooth version | 4.0 | N/A |
| Headphone connection | 3.5 mm | N/A |
| Type of USB connector | Micro-USB | N/A |
| Asus Zenfone C | OnePlus 9 | |
|---|---|---|
| Wireless network (Wi-Fi) | yes | N/A |
| Data transmission | HSPA+ |
|
| Navigation system | GPS |
|
| 2G GSM | yes | N/A |
| GSM frequencies |
| N/A |
| UMTS frequences |
|
|
| Mobile hotspot | yes | N/A |
| Asus Zenfone C | OnePlus 9 | |
|---|---|---|
| Replaceable battery | yes | N/A |
| Battery type | Lithium ion | Lithium polymer |
| Battery capacity | 2100.0 mAh | 4500.0 mAh |
| Standby time | 260.0 h | N/A |
| Talk time | 30.0 h | 28.0 h |
| Wireless charging | N/A | yes |
| Wireless charging standard | N/A |
|
| Pros | ||
|---|---|---|
| Cons |
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