The verdict
Neither runs away with it: each wins something.
| Category | X20 | Z1i |
|---|---|---|
| Design & display | 7.3 | 6.3 |
| Performance & hardware | 2.7 | 3.5 |
| Camera | 3.5 | 3.0 |
| Connectivity | 4.0 | 4.4 |
| Battery & charging | 2.5 | 2.5 |
Which one is for you?
vivo X20, if you care about…
- Display Technology
- Super AMOLED
- against IPS LCD
- Body Thickness
- 7.2 mm
- against 7.9 mm
- Geekbench 6 Single-Core
- 342
- against 294
- Geekbench 6 Multi-Core
- 1,232
- against 1,083
vivo Z1i, if you care about…
- RAM Capacity
- 8 GB
- against 4 GB
- Maximum Storage Capacity
- 128 GB
- against 64 GB
- Weight
- 149.3 g
- against 159 g
- Usable Surface
- 84.2 %
- against 79.5 %
Specification comparison
Performance
| Specification | X20 | Z1i |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 636 |
| Processor Process Size | 14 nm | 14 nm |
| Graphics GPU | Qualcomm Adreno 512 | Qualcomm Adreno 509 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2.2 GHz Best value | 1.8 GHz |
| Maximum Storage Capacity | 64 GB | 128 GB Best value |
| AnTuTu Score | 142,062 | 105,034 |
| Geekbench 6 Single-Core | 342 Best value | 294 |
| Geekbench 6 Multi-Core | 1,232 Best value | 1,083 |
| CPU Description | Octa-core (4x2.2 GHz Kryo 260 Gold and 4x1.8 GHz Kryo 260 Silver) | Octa-core: 4 × 1.8 GHz Kryo 260 Gold and 4 × 1.6 GHz Kryo 260 Silver |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB | 8 GB Best value |
| RAM Type | DDR4 | DDR4 |
| Expandable Storage | Yes | Yes |
| Maximum memory card | 256 GB | 256 GB |
Design
| Specification | X20 | Z1i |
|---|---|---|
| Body Colors | Black, Gold, Rose Gold, Blue, Pink | Black, Red |
| Body Thickness | 7.2 mm Best value | 7.9 mm |
| Body Width | 75.2 mm | 75 mm |
| Body Height | 155.9 mm | 154.8 mm |
| Weight | 159 g | 149.3 g Best value |
| Usable Surface | 79.5 % | 84.2 % Best value |
| Body Materials | Glass, Aluminium Alloy Best value | Glass, Plastic |
Battery
| Specification | X20 | Z1i |
|---|---|---|
| Battery Capacity | 3,250 mAh | 3,260 mAh Best value |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | 10 W | 10 W |
| Battery Features | Battery Level Indicator, Fast Charging, Rechargeable | Battery Level Indicator, Fast Charging, Rechargeable |
Display
| Specification | X20 | Z1i |
|---|---|---|
| Display Aspect Ratio | 18:9 | 19:9 |
| Display Technology | Super AMOLED Best value | IPS LCD |
| Display Diagonal | 6.01″ | 6.26″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,160 px | 2,280 px Best value |
| Display Pixel Density | 402 ppi | 403 ppi Best value |
| Display Features | Touchscreen | Touchscreen |
Sensors
| Specification | X20 | Z1i |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | X20 | Z1i |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope |
Software
| Specification | X20 | Z1i |
|---|---|---|
| Operating System | Android 7 | Android 8.1 |
| OS Family | Android | Android |
| OS Version | 7 | 8.1 Best value |
Connectivity
| Specification | X20 | Z1i |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 900, 2G GSM 1800, 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 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 B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B8, 4G LTE B39, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, CDMA, HSPA, LTE, 4G | GSM, CDMA, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Dual Band, 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 2.0, USB OTG | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0, USB OTG |
| USB Version | USB 2.0 | microUSB |
| Max. download speed | 150 Mbps | 300 Mbps Best value |
| Max. upload speed | 50 Mbps | 50 Mbps |
Audio
| Specification | X20 | Z1i |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | A2DP, LE, Loudspeaker, 32-bit/192 kHz Audio | Loudspeaker |
Technical
| Specification | X20 | Z1i |
|---|---|---|
| Model numbers | X20A, 1721 | V1730DA, V1730DT |
