Side-by-side technical data
vivo iQOO Z1x vs vivo Y51 (2020, December)
Comparison between vivo iQOO Z1x and vivo Y51 (2020, December): camera, battery, fast charging, display, performance and colors, side by side. More phones from vivo.
The verdict
Your pick: vivo iQOO Z1x, ahead on Design & display, Connectivity and Battery & charging. Unless Performance & hardware or Camera decides it for you.
| Category | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| Design & display | 6.4 | 5.8 |
| Performance & hardware | 4.3 | 5.3 |
| Camera | 4.6 | 5.8 |
| Connectivity | 6.3 | 4.8 |
| Battery & charging | 5.7 | 5.4 |
Which one is for you?
vivo iQOO Z1x, if you care about…
- Bluetooth Version
- Bluetooth 5.1
- against Bluetooth 5.0
- Maximum Storage Capacity
- 256 GB
- against 128 GB
- Fast Charge Power
- 33 W
- against 18 W
- Cellular Technologies
- GSM, CDMA, HSPA, EVDO, LTE, 5G
- against GSM, HSPA, LTE
vivo Y51 (2020, December), if you care about…
- Weight
- 188 g
- against 199.5 g
- Body Thickness
- 8.4 mm
- against 9.1 mm
- Expandable Storage
- Yes
- against No
- OS Version
- 11
- against 10
Specification comparison
Performance
| Specification | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| Processor Model | Qualcomm SM7250 Snapdragon 765 5G | Qualcomm Snapdragon 665 |
| Processor Process Size | 7 nm Best value | 11 nm |
| Graphics GPU | Qualcomm Adreno 620 | Qualcomm Adreno 610 |
| Storage Type | UFS 2.1 | — |
| Maximum CPU Clock | 2.4 GHz Best value | 2 GHz |
| Maximum Storage Capacity | 256 GB Best value | 128 GB |
| AnTuTu Score | 323,500 | — |
| CPU Description | Octa-core processor with 1x2.4 GHz Kryo 475 Prime, 1x2.2 GHz Kryo 475 Gold, and 6x1.8 GHz Kryo 475 Silver | Octa-core (4x2.0 GHz Kryo 260 Gold and 4x1.8 GHz Kryo 260 Silver) |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | — |
| RAM Capacity | 8 GB | 8 GB |
| RAM Type | LPDDR4X | — |
| Expandable Storage | No | Yes Best value |
| AnTuTu version | v8 | — |
Design
| Specification | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| Body Colors | Black, Blue, White | Titanium, Sapphire, Crystal |
| Body Thickness | 9.1 mm | 8.4 mm Best value |
| Body Width | 76.5 mm | 75.3 mm |
| Body Height | 164.2 mm | 163.9 mm |
| Weight | 199.5 g | 188 g Best value |
| Usable Surface | 83.6 % | 84.5 % Best value |
| Body Materials | Plastic, Aluminium Alloy | — |
Battery
| Specification | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| Battery Capacity | 5,000 mAh | 5,000 mAh |
| Battery Type | Li-Polymer | — |
| Fast Charge Power | 33 W Best value | 18 W |
| Battery Features | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator | Fast Charging |
Display
| Specification | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.57″ | 6.58″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,408 px | 2,408 px |
| Display Pixel Density | 402 ppi Best value | 401 ppi |
| Display Refresh Rate | 120 Hz | — |
| Display Contrast Ratio | 1,500 :1 | — |
| Display Features | IPS LCD, HDR10, Hole-Punch Notch, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless | IPS LCD |
Sensors
| Specification | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gravity Sensor, Gyroscope, Light Sensor, Cooling System | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| Operating System | Android 10 | Android 11 |
| OS Family | Android | Android |
| OS Version | 10 | 11 Best value |
Connectivity
| Specification | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 2G CDMA BC0, 2G CDMA B2, 2G CDMA B3, 2G CDMA B5, 2G CDMA B8, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 3G UMTS 1700 AWS, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B8, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n3, 5G NR n41, 5G NR n77, 5G NR n78 | 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 B40 |
| Cellular Technologies | GSM, CDMA, HSPA, EVDO, LTE, 5G Best value | GSM, HSPA, LTE |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, MIMO | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.1 Best value | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, aptX HD | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, 3.5 mm Audio Jack, Computer Sync, OTA Sync, Tethering, VoLTE | 3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG |
| USB Version | USB 2.0 | USB 2.0 |
| Max. download speed | 3,700 Mbps | — |
| Max. upload speed | 1,600 Mbps | — |
Audio
| Specification | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| Microphone Count | 2 | — |
| Audio Features | A2DP, LE, aptX HD, Loudspeaker, Hi-Res Audio | A2DP, LE, Loudspeaker |
Technical
| Specification | iQOO Z1x | Y51 (2020, December) |
|---|---|---|
| Model numbers | V2012A | V2030 |
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