Side-by-side technical data
vivo Y51s vs vivo Y31 (2021)
Comparison between vivo Y51s and vivo Y31 (2021): camera, battery, fast charging, display, performance and colors, side by side. More phones from vivo.
The verdict
Neither runs away with it: each wins something.
| Category | Y51s | Y31 (2021) |
|---|---|---|
| Design & display | 5.6 | 5.8 |
| Performance & hardware | 4.3 | 3.7 |
| Camera | 3.8 | 4.2 |
| Connectivity | 5.3 | 4.8 |
| Battery & charging | 4.6 | 5.4 |
Which one is for you?
vivo Y51s, if you care about…
- Storage Type
- UFS 2.1
- against eMMC 5.1
- Cellular Technologies
- GSM, CDMA, HSPA, LTE, 5G
- against GSM, HSPA, LTE, 4G
- Max. download speed
- 1,000 Mbps
- against 42.2 Mbps
- Max. upload speed
- 200 Mbps
- against 5.76 Mbps
vivo Y31 (2021), if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,500 mAh
- Expandable Storage
- Yes
- against No
- OS Version
- 11
- against 10
Specification comparison
Performance
| Specification | Y51s | Y31 (2021) |
|---|---|---|
| Processor Model | Samsung Exynos 880 | Qualcomm Snapdragon 662 |
| Processor Process Size | 8 nm Best value | 11 nm |
| Graphics GPU | Mali-G76 MP5 | Qualcomm Adreno 610 |
| Storage Type | UFS 2.1 Best value | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz | 2 GHz |
| Maximum Storage Capacity | 128 GB | 128 GB |
| AnTuTu Score | 288,100 | 178,300 |
| Geekbench 6 Single-Core | — | 339 |
| Geekbench 6 Multi-Core | — | 1,208 |
| CPU Description | Octa-core processor with 2x Cortex-A77 at 2.0 GHz and 6x Cortex-A55 at 1.8 GHz. | — |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB | 8 GB |
| RAM Type | LPDDR4X | DDR4 |
| Expandable Storage | No | Yes Best value |
| AnTuTu version | v8 | — |
Design
| Specification | Y51s | Y31 (2021) |
|---|---|---|
| Body Colors | Black, Blue, White | Black, Blue |
| Body Thickness | 8.5 mm | 8.4 mm Best value |
| Body Width | 76.6 mm | 75.3 mm |
| Body Height | 162 mm | 163.9 mm |
| Weight | 190 g | 188 g Best value |
| Usable Surface | 84.4 % | 84.5 % Best value |
| Body Materials | Plastic | — |
Battery
| Specification | Y51s | Y31 (2021) |
|---|---|---|
| Battery Capacity | 4,500 mAh | 5,000 mAh Best value |
| Battery Type | Li-Polymer | — |
| Fast Charge Power | 18 W | 18 W |
| Battery Features | Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator | Fast Charging, Rechargeable, Battery Level Indicator |
Display
| Specification | Y51s | Y31 (2021) |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.53″ | 6.58″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,340 px | 2,408 px Best value |
| Display Pixel Density | 395 ppi | 401 ppi Best value |
| Display Refresh Rate | 60 Hz | — |
| Display Contrast Ratio | 1,500 :1 | — |
| Display Features | Hole-Punch Notch, Curved Glass, Capacitive Touch, Multi-Touch, Frameless, Touchscreen | IPS LCD, Touchscreen |
Sensors
| Specification | Y51s | Y31 (2021) |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | Y51s | Y31 (2021) |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Light Sensor, Cooling System | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Y51s | Y31 (2021) |
|---|---|---|
| Operating System | Android 10 | Android 11 |
| OS Family | Android | Android |
| OS Version | 10 | 11 Best value |
Connectivity
| Specification | Y51s | Y31 (2021) |
|---|---|---|
| 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 B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 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 n41, 5G NR n78 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B5, 3G UMTS B8, 3G UMTS 2100, 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, LTE, 5G Best value | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | 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 Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 | 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 | 3.5 mm Audio Jack, Computer Sync, OTA Sync, FM Radio, Tethering, VoLTE, USB Charging, USB Mass Storage, USB OTG | 3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG |
| USB Version | microUSB | USB 2.0 |
| Max. download speed | 1,000 Mbps Best value | 42.2 Mbps |
| Max. upload speed | 200 Mbps Best value | 5.76 Mbps |
Audio
| Specification | Y51s | Y31 (2021) |
|---|---|---|
| Microphone Count | 2 Best value | 1 |
| Audio Features | Loudspeaker | A2DP, LE, Loudspeaker |
Technical
| Specification | Y51s | Y31 (2021) |
|---|---|---|
| Model numbers | V2002A | V2036, V2036_21 |
