The verdict
Neither runs away with it: each wins something.
| Category | Y15a | Y21a |
|---|---|---|
| Design & display | 5.2 | 5.2 |
| Performance & hardware | 2.6 | 2.6 |
| Camera | 3.0 | 3.0 |
| Connectivity | 4.9 | 5.1 |
| Battery & charging | 5.8 | 6.0 |
Which one is for you?
vivo Y21a, if you care about…
- Fast Charge Power
- 18 W
- against 10 W
- Body Thickness
- 8 mm
- against 8.3 mm
- Geekbench 6 Single-Core
- 233
- against 164
Specification comparison
Performance
| Specification | Y15a | Y21a |
|---|---|---|
| Processor Model | MediaTek Helio P35 | MediaTek Helio P22 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | PowerVR GE8320 | PowerVR GE8320 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2.3 GHz | 2.35 GHz Best value |
| Maximum Storage Capacity | 64 GB | 64 GB |
| AnTuTu Score | 117,985 | 90,180 |
| Geekbench 6 Single-Core | 164 | 233 Best value |
| Geekbench 6 Multi-Core | 744 Best value | 723 |
| CPU Description | Octa-core processor with 4 Cortex-A53 cores at 2.3 GHz and 4 Cortex-A53 cores at 1.8 GHz. | Octa-core Cortex-A53 CPU with source-reported regional clock variants. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB | 4 GB |
| RAM Type | LPDDR3 | LPDDR3 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v9 | v8 |
Design
| Specification | Y15a | Y21a |
|---|---|---|
| Body Colors | Green, Blue, Black | Blue, White |
| Body Thickness | 8.3 mm | 8 mm Best value |
| Body Width | 75.2 mm | 76.1 mm |
| Body Height | 164 mm | 164.3 mm |
| Weight | 179 g Best value | 182 g |
| Usable Surface | 83 % Best value | 81.8 % |
| Body Materials | Glass, Plastic | Glass, Plastic |
Battery
| Specification | Y15a | Y21a |
|---|---|---|
| Battery Capacity | 5,000 mAh | 5,000 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | 10 W | 18 W Best value |
| Battery Features | Fast Charging, Non-Removable, Reverse Charging, Battery Level Indicator, Rechargeable | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator, Reverse Charging |
Display
| Specification | Y15a | Y21a |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.51″ | 6.51″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,600 px | 1,600 px |
| Display Pixel Density | 270 ppi | 270 ppi |
| Display Features | Water Drop Notch, Scratch Resistant, Curved Glass, Capacitive Touch, Multi-Touch, Frameless, Touchscreen | Water Drop Notch, Scratch Resistant, Curved Glass, Capacitive Touch, Multi-Touch, Frameless |
Sensors
| Specification | Y15a | Y21a |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | Y15a | Y21a |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Light Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Light Sensor |
Software
| Specification | Y15a | Y21a |
|---|---|---|
| Operating System | Android 11 | Android 11 |
| OS Family | Android | Android |
| OS Version | 11 | 11 |
| Google Services | Yes | Yes |
Connectivity
| Specification | Y15a | Y21a |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G | GSM, HSPA, LTE, 4G |
| 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 |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, Galileo, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB Charging, USB Mass Storage, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE | 3.5 mm Audio Jack, FM Radio, USB Charging, USB Mass Storage, USB OTG, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE |
| USB Version | microUSB | USB 2.0 |
| Max. download speed | 300 Mbps | 300 Mbps |
| Max. upload speed | 150 Mbps | 150 Mbps |
Audio
| Specification | Y15a | Y21a |
|---|---|---|
| Audio Features | A2DP, LE, Loudspeaker | Bluetooth, A2DP, LE, Loudspeaker |
Technical
| Specification | Y15a | Y21a |
|---|---|---|
| Model numbers | V2134 | — |
