The verdict
Neither runs away with it: each wins something.
| Category | K1 | Z3x |
|---|---|---|
| Design & display | 7.5 | 7.5 |
| Performance & hardware | 3.0 | 3.7 |
| Camera | 3.5 | 3.0 |
| Connectivity | 4.1 | 4.4 |
| Battery & charging | 3.0 | 2.5 |
Which one is for you?
Oppo K1, if you care about…
- Battery Capacity
- 3,600 mAh
- against 3,260 mAh
- Display Technology
- Super AMOLED
- against IPS LCD
- Body Thickness
- 7.4 mm
- against 7.9 mm
- Max. download speed
- 600 Mbps
- against 300 Mbps
vivo Z3x, if you care about…
- Weight
- 150 g
- against 156 g
- OS Version
- 9
- against 8
Specification comparison
Performance
| Specification | K1 | Z3x |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 660 |
| Processor Process Size | 14 nm | 14 nm |
| Graphics GPU | Qualcomm Adreno 512 | Qualcomm Adreno 512 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz | 2.2 GHz Best value |
| Maximum Storage Capacity | 64 GB | 64 GB |
| AnTuTu Score | 140,322 | — |
| Geekbench 6 Single-Core | 342 | 342 |
| Geekbench 6 Multi-Core | 1,232 | 1,232 |
| CPU Description | Octa-core: 4x2.0 GHz Kryo 260 Gold and 4x1.8 GHz Kryo 260 Silver. | Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 6 GB | 6 GB |
| RAM Type | DDR4 | DDR4 |
| Expandable Storage | Yes | Yes |
| Maximum memory card | 256 GB | 256 GB |
Design
| Specification | K1 | Z3x |
|---|---|---|
| Body Colors | Blue, Red, Silver, Green | Black, Red, Multicolor |
| Body Thickness | 7.4 mm Best value | 7.9 mm |
| Body Width | 75.5 mm | 75 mm |
| Body Height | 158.3 mm | 154.8 mm |
| Weight | 156 g | 150 g Best value |
| Usable Surface | 84.5 % Best value | 84.2 % |
| Body Materials | Glass, Plastic | Glass, Plastic |
Battery
| Specification | K1 | Z3x |
|---|---|---|
| Battery Capacity | 3,600 mAh Best value | 3,260 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | 10 W | 10 W |
| Battery Features | Fast Charging, Battery Level Indicator, Rechargeable | Battery Level Indicator, Rechargeable |
Display
| Specification | K1 | Z3x |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19:9 |
| Display Technology | Super AMOLED Best value | IPS LCD |
| Display Diagonal | 6.4″ Best value | 6.26″ |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,340 px Best value | 2,280 px |
| Display Pixel Density | 402 ppi | 403 ppi Best value |
| Display Features | Gorilla Glass 5, Touchscreen | — |
Sensors
| Specification | K1 | Z3x |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Rear |
Sensor
| Specification | K1 | Z3x |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope |
Software
| Specification | K1 | Z3x |
|---|---|---|
| Operating System | Android 8.1 | Android 9 |
| OS Family | Android | Android |
| OS Version | 8 | 9 Best value |
Connectivity
| Specification | K1 | Z3x |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, LTE B28, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, LTE, 4G | GSM, CDMA, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g/n, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS | GPS, GLONASS, BeiDou Best value |
| Connectivity Features | 3.5 mm Audio Jack, microUSB, USB OTG | 3.5 mm Audio Jack, FM Radio, microUSB, USB OTG |
| USB Version | USB 2.0 | USB 2.0 |
| Max. download speed | 600 Mbps Best value | 300 Mbps |
| Max. upload speed | 150 Mbps Best value | 50 Mbps |
Audio
| Specification | K1 | Z3x |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | Loudspeaker | A2DP, LE, Loudspeaker |
Technical
| Specification | K1 | Z3x |
|---|---|---|
| Model numbers | PBCM30 | V1730GA |
