The verdict
Neither runs away with it: each wins something.
| Category | Z6 | U20 |
|---|---|---|
| Design & display | 8.0 | 5.7 |
| Performance & hardware | 4.3 | 3.3 |
| Camera | 4.0 | 4.8 |
| Connectivity | 4.8 | 4.8 |
| Battery & charging | 3.7 | 5.4 |
Which one is for you?
Lenovo Z6, if you care about…
- Display Technology
- Super AMOLED
- against IPS LCD
- Weight
- 159 g
- against 193 g
- Body Thickness
- 8 mm
- against 8.9 mm
- Body Materials
- Glass, Aluminium Alloy
- against Glass, Plastic
vivo U20, if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,000 mAh
- Fast Charge Power
- 18 W
- against 15 W
Specification comparison
Performance
| Specification | Z6 | U20 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 730 | Qualcomm Snapdragon 675 |
| Processor Process Size | 8 nm Best value | 11 nm |
| Graphics GPU | Qualcomm Adreno 618 | Qualcomm Adreno 612 |
| Storage Type | UFS 2.1 | UFS 2.1 |
| Maximum CPU Clock | 2.2 GHz Best value | 2 GHz |
| Maximum Storage Capacity | 128 GB | 128 GB |
| AnTuTu Score | 218,000 | 215,820 |
| Geekbench 6 Single-Core | — | 652 |
| Geekbench 6 Multi-Core | — | 1,609 |
| CPU Description | Octa-core CPU with 2x Kryo 470 Gold at 2.2 GHz and 6x Kryo 470 Silver at 1.8 GHz. | Octa-core CPU with 2 Kryo 460 cores at up to 2.0 GHz and 6 Kryo cores at 1.7–1.8 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB | 8 GB |
| RAM Type | — | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | v8 |
| Maximum memory card | 1 TB | — |
Design
| Specification | Z6 | U20 |
|---|---|---|
| Body Colors | Blue | Black, Blue |
| Body Thickness | 8 mm Best value | 8.9 mm |
| Body Width | 74.5 mm | 76.5 mm |
| Body Height | 157 mm | 162.2 mm |
| Weight | 159 g Best value | 193 g |
| Usable Surface | 85.7 % Best value | 84.4 % |
| Body Materials | Glass, Aluminium Alloy Best value | Glass, Plastic |
| Unfolded thickness | 8 mm | — |
Battery
| Specification | Z6 | U20 |
|---|---|---|
| Battery Capacity | 4,000 mAh | 5,000 mAh Best value |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 15 W | 18 W Best value |
| Battery Features | Fast Charging, Rechargeable, Battery Level Indicator | Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator |
Display
| Specification | Z6 | U20 |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19.5:9 |
| Display Technology | Super AMOLED Best value | IPS LCD |
| Display Diagonal | 6.39″ | 6.53″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,340 px | 2,340 px |
| Display Pixel Density | 403 ppi Best value | 395 ppi |
| Display Refresh Rate | 120 Hz | — |
| Display Features | Gorilla Glass, Touchscreen, HDR10 | Water Drop Notch, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless |
Sensors
| Specification | Z6 | U20 |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Rear |
Sensor
| Specification | Z6 | U20 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Light Sensor |
Software
| Specification | Z6 | U20 |
|---|---|---|
| Operating System | Android 9 | Android 9 |
| OS Family | Android | Android |
| OS Version | 9 | 9 |
| Google Services | — | Yes |
| Widevine L1 | — | Yes |
Connectivity
| Specification | Z6 | U20 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B34, 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 B1, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, CDMA, HSPA, UMTS, LTE, 4G | GSM, 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 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, EDR, LE, aptX HD Best value | A2DP, LE, aptX |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value |
| Connectivity Features | 3.5 mm Audio Jack, USB Type-C, USB OTG, FM Radio | 3.5 mm Audio Jack, FM Radio, microUSB, USB Charging, USB Mass Storage, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE |
| USB Version | USB 2.0 | USB 2.0 |
| Max. download speed | 800 Mbps Best value | 600 Mbps |
| Max. upload speed | 150 Mbps Best value | 100 Mbps |
Audio
| Specification | Z6 | U20 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | Loudspeaker, Stereo Speakers | A2DP, LE, aptX |
Technical
| Specification | Z6 | U20 |
|---|---|---|
| Model numbers | L78121 | — |
