The verdict
Your pick: vivo Y81i, ahead on Design & display and Connectivity. Unless Battery & charging decides it for you.
| Category | Y81i | Y91 |
|---|---|---|
| Design & display | 5.6 | 5.3 |
| Performance & hardware | 2.3 | 2.1 |
| Camera | 3.0 | 3.0 |
| Connectivity | 3.8 | 3.5 |
| Battery & charging | 2.6 | 3.4 |
Which one is for you?
vivo Y81i, if you care about…
- Bluetooth Version
- Bluetooth 5.0
- against Bluetooth 4.2
- Weight
- 143 g
- against 163.5 g
- Body Thickness
- 7.8 mm
- against 8.3 mm
- Geekbench 6 Single-Core
- 332
- against 199
vivo Y91, if you care about…
- Battery Capacity
- 4,030 mAh
- against 3,260 mAh
- RAM Capacity
- 3 GB
- against 2 GB
- Maximum Storage Capacity
- 32 GB
- against 16 GB
Specification comparison
Performance
| Specification | Y81i | Y91 |
|---|---|---|
| Processor Model | MediaTek Helio A22 | Qualcomm Snapdragon 439 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | PowerVR GE8320 | Qualcomm Adreno 505 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz Best value | 1.95 GHz |
| Maximum Storage Capacity | 16 GB | 32 GB Best value |
| AnTuTu Score | — | 75,450 |
| Geekbench 6 Single-Core | 332 Best value | 199 |
| Geekbench 6 Multi-Core | 1,145 Best value | 795 |
| CPU Description | Quad-core 2.0 GHz Cortex-A53 | Octa-core: 4x1.95 GHz Cortex-A53 and 4x1.45 GHz Cortex-A53 |
| Processor Type | Quad-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 2 GB | 3 GB Best value |
| RAM Type | — | DDR3 |
| Expandable Storage | Yes | Yes |
| Maximum memory card | 256 GB | 256 GB |
Design
| Specification | Y81i | Y91 |
|---|---|---|
| Body Colors | Black, Red | Black, Blue |
| Body Thickness | 7.8 mm Best value | 8.3 mm |
| Body Width | 75 mm | 75.1 mm |
| Body Height | 155.1 mm | 155.1 mm |
| Weight | 143 g Best value | 163.5 g |
| Usable Surface | 83 % Best value | 82.9 % |
| Body Materials | Glass, Plastic | Glass, Plastic |
| Unfolded thickness | — | 8.3 mm |
Battery
| Specification | Y81i | Y91 |
|---|---|---|
| Battery Capacity | 3,260 mAh | 4,030 mAh Best value |
| Fast Charge Power | — | 5 W |
| Battery Features | Battery Level Indicator, Fast Charging, Rechargeable | Battery Level Indicator, Rechargeable |
Display
| Specification | Y81i | Y91 |
|---|---|---|
| Display Aspect Ratio | 19:9 | 19:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.22″ | 6.22″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,520 px | 1,520 px |
| Display Pixel Density | 270 ppi | 270 ppi |
| Display Features | Gorilla Glass, Touchscreen | Touchscreen |
Sensors
| Specification | Y81i | Y91 |
|---|---|---|
| Fingerprint Sensor Placement | — | Rear |
Sensor
| Specification | Y81i | Y91 |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope |
Software
| Specification | Y81i | Y91 |
|---|---|---|
| Operating System | Android 8.1 | Android 8.1 |
| OS Family | Android | Android |
| OS Version | 8 | 8 |
Connectivity
| Specification | Y81i | Y91 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM |
| Cellular Bands | 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 B7, 4G LTE B8, 4G LTE B38, 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 B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, LTE, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n) |
| Wi-Fi Features | Wi-Fi Direct | Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 Best value | Bluetooth 4.2 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB OTG | 3.5 mm Audio Jack, FM Radio, USB OTG, USB 2.0 |
| USB Version | microUSB | microUSB |
| SAR American Head | — | 1.28 W/kg |
| SAR American Body | — | 0.61 W/kg |
| Max. download speed | 300 Mbps Best value | 150 Mbps |
| Max. upload speed | 150 Mbps Best value | 75 Mbps |
Audio
| Specification | Y81i | Y91 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | A2DP, LE, Loudspeaker | A2DP, LE, Loudspeaker |
Technical
| Specification | Y81i | Y91 |
|---|---|---|
| Model numbers | 1812, 1812_19 | 1816, 1817, 1820, 1811, PD1818BF_EX |
