The verdict
Your pick: vivo Z3i, ahead on Performance & hardware and Battery & charging. Unless Design & display decides it for you.
| Category | X20 | Z3i |
|---|---|---|
| Design & display | 7.3 | 6.2 |
| Performance & hardware | 2.7 | 3.4 |
| Camera | 3.5 | 3.3 |
| Connectivity | 4.0 | 4.1 |
| Battery & charging | 2.5 | 2.8 |
Which one is for you?
vivo X20, if you care about…
- Display Technology
- Super AMOLED
- against IPS LCD
- Bluetooth Version
- Bluetooth 5.0
- against Bluetooth 4.2
- Weight
- 159 g
- against 164 g
- Body Thickness
- 7.2 mm
- against 8.1 mm
vivo Z3i, if you care about…
- RAM Capacity
- 6 GB
- against 4 GB
- Maximum Storage Capacity
- 128 GB
- against 64 GB
- Fast Charge Power
- 18 W
- against 10 W
- Usable Surface
- 84 %
- against 79.5 %
Specification comparison
Performance
| Specification | X20 | Z3i |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 660 | MediaTek Helio P60 |
| Processor Process Size | 14 nm | 12 nm Best value |
| Graphics GPU | Qualcomm Adreno 512 | Mali-G72 MP3 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2.2 GHz Best value | 2 GHz |
| Maximum Storage Capacity | 64 GB | 128 GB Best value |
| AnTuTu Score | 142,062 | 130,000 |
| Geekbench 6 Single-Core | 342 Best value | 299 |
| Geekbench 6 Multi-Core | 1,232 Best value | 1,155 |
| CPU Description | Octa-core (4x2.2 GHz Kryo 260 Gold and 4x1.8 GHz Kryo 260 Silver) | Octa-core processor with four 2.0 GHz Cortex-A73 cores and four 2.0 GHz Cortex-A53 cores |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB | 6 GB Best value |
| RAM Type | DDR4 | DDR4 |
| Expandable Storage | Yes | Yes |
| Maximum memory card | 256 GB | 256 GB |
Design
| Specification | X20 | Z3i |
|---|---|---|
| Body Colors | Black, Gold, Rose Gold, Blue, Pink | Blue, Pink |
| Body Thickness | 7.2 mm Best value | 8.1 mm |
| Body Width | 75.2 mm | 75.6 mm |
| Body Height | 155.9 mm | 156 mm |
| Weight | 159 g Best value | 164 g |
| Usable Surface | 79.5 % | 84 % Best value |
| Body Materials | Glass, Aluminium Alloy | — |
Battery
| Specification | X20 | Z3i |
|---|---|---|
| Battery Capacity | 3,250 mAh | 3,315 mAh Best value |
| Battery Type | Li-Ion | — |
| Fast Charge Power | 10 W | 18 W Best value |
| Battery Features | Battery Level Indicator, Fast Charging, Rechargeable | Fast Charging, Battery Level Indicator, Rechargeable |
Display
| Specification | X20 | Z3i |
|---|---|---|
| Display Aspect Ratio | 18:9 | 19:9 |
| Display Technology | Super AMOLED Best value | IPS LCD |
| Display Diagonal | 6.01″ | 6.3″ 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 Best value | 400 ppi |
| Display Features | Touchscreen | Touchscreen |
Sensors
| Specification | X20 | Z3i |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | X20 | Z3i |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | X20 | Z3i |
|---|---|---|
| Operating System | Android 7 | Android 8 |
| OS Family | Android | Android |
| OS Version | 7 | 8 Best value |
Connectivity
| Specification | X20 | Z3i |
|---|---|---|
| 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 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, CDMA, HSPA, LTE, 4G | GSM, 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 Best value | Bluetooth 4.2 |
| Bluetooth Profiles | A2DP, LE | A2DP, EDR, LE, aptX |
| 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 OTG, USB Charging |
| USB Version | USB 2.0 | microUSB |
| Max. download speed | 150 Mbps | 300 Mbps Best value |
| Max. upload speed | 50 Mbps | 150 Mbps Best value |
Audio
| Specification | X20 | Z3i |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | A2DP, LE, Loudspeaker, 32-bit/192 kHz Audio | aptX |
Technical
| Specification | X20 | Z3i |
|---|---|---|
| Model numbers | X20A, 1721 | — |