Side-by-side technical data
Xiaomi Poco X2 vs vivo Y51 (2020, December)
Comparison between Xiaomi Poco X2 and vivo Y51 (2020, December): camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi and vivo.
The verdict
Neither runs away with it: each wins something.
| Category | Poco X2 | Y51 (2020, December) |
|---|---|---|
| Design & display | 6.0 | 5.8 |
| Performance & hardware | 4.0 | 5.3 |
| Camera | 7.2 | 5.8 |
| Connectivity | 5.3 | 4.8 |
| Battery & charging | 4.8 | 5.4 |
Which one is for you?
Xiaomi Poco X2, if you care about…
- Maximum Storage Capacity
- 256 GB
- against 128 GB
- Fast Charge Power
- 27 W
- against 18 W
vivo Y51 (2020, December), if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,500 mAh
- Weight
- 188 g
- against 208 g
- Body Thickness
- 8.4 mm
- against 8.8 mm
- OS Version
- 11
- against 10
Specification comparison
Performance
| Specification | Poco X2 | Y51 (2020, December) |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 730G | Qualcomm Snapdragon 665 |
| Processor Process Size | 8 nm Best value | 11 nm |
| Graphics GPU | Qualcomm Adreno 618 | Qualcomm Adreno 610 |
| Storage Type | UFS 2.1 | — |
| Maximum CPU Clock | 2.2 GHz Best value | 2 GHz |
| Maximum Storage Capacity | 256 GB Best value | 128 GB |
| AnTuTu Score | 279,521 | — |
| Geekbench 6 Single-Core | 697 | — |
| Geekbench 6 Multi-Core | 1,809 | — |
| CPU Description | Octa-core processor with 2 Kryo 470 Gold cores at 2.2 GHz and 6 Kryo 470 Silver cores at 1.8 GHz. | 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 | Yes | Yes |
| AnTuTu version | v8 | — |
Design
| Specification | Poco X2 | Y51 (2020, December) |
|---|---|---|
| Body Colors | Blue, Purple, Red | Titanium, Sapphire, Crystal |
| Body Thickness | 8.8 mm | 8.4 mm Best value |
| Body Width | 76.6 mm | 75.3 mm |
| Body Height | 165.3 mm | 163.9 mm |
| Weight | 208 g | 188 g Best value |
| Usable Surface | 84.8 % Best value | 84.5 % |
| Body Materials | Glass, Plastic, Aluminium Alloy, P2i Nano Coating | — |
| Resistance Features | Water Resistant | — |
Battery
| Specification | Poco X2 | Y51 (2020, December) |
|---|---|---|
| Battery Capacity | 4,500 mAh | 5,000 mAh Best value |
| Battery Type | Li-Polymer | — |
| Fast Charge Power | 27 W Best value | 18 W |
| Battery Features | Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator | Fast Charging |
Display
| Specification | Poco X2 | Y51 (2020, December) |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 500 nits | — |
| Display Diagonal | 6.67″ Best value | 6.58″ |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,400 px | 2,408 px Best value |
| Display Pixel Density | 395 ppi | 401 ppi Best value |
| Display Refresh Rate | 120 Hz | — |
| Display Contrast Ratio | 1,500 :1 | — |
| Display Features | Gorilla Glass 5, HDR10, Hole-Punch Notch, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, LED Notifications, 120Hz | IPS LCD |
Sensors
| Specification | Poco X2 | Y51 (2020, December) |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | Poco X2 | Y51 (2020, December) |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor, Cooling System | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Poco X2 | Y51 (2020, December) |
|---|---|---|
| Operating System | Android 10 | Android 11 |
| OS Family | Android | Android |
| OS Version | 10 | 11 Best value |
| Google Services | Yes | — |
Connectivity
| Specification | Poco X2 | 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, 3G UMTS B1, 3G UMTS B2, 3G UMTS 1700 AWS, 3G UMTS B5, 3G UMTS B8, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 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 B40 |
| Cellular Technologies | GSM, HSPA, LTE, 4G | GSM, HSPA, LTE |
| 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/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, 3.5 mm Audio Jack, FM Radio, Computer Sync, Infrared, Tethering, VoLTE | 3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | 1.08 W/kg | — |
| SAR American Body | 0.62 W/kg | — |
| Max. download speed | 800 Mbps | — |
| Max. upload speed | 150 Mbps | — |
Audio
| Specification | Poco X2 | Y51 (2020, December) |
|---|---|---|
| Microphone Count | 2 | — |
| Audio Features | A2DP, LE, Loudspeaker, 24-bit/192kHz Audio | A2DP, LE, Loudspeaker |
Technical
| Specification | Poco X2 | Y51 (2020, December) |
|---|---|---|
| Model numbers | MZB9011IN, MZB9012IN, MZB9013IN, MZB8741IN, MZB8742IN, MZB8743IN, MZB8744IN, MZB8745IN, MZB8746IN | V2030 |
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