The verdict
Your pick: Oppo A91, ahead on Design & display, Performance & hardware and Camera. Unless Battery & charging decides it for you.
| Category | A91 | U3 |
|---|---|---|
| Design & display | 6.9 | 5.6 |
| Performance & hardware | 4.1 | 3.6 |
| Camera | 5.2 | 4.9 |
| Connectivity | 4.7 | 4.6 |
| Battery & charging | 3.8 | 6.0 |
Which one is for you?
Oppo A91, if you care about…
- RAM Capacity
- 8 GB
- against 6 GB
- Display Technology
- AMOLED
- against IPS LCD
- Maximum Storage Capacity
- 256 GB
- against 64 GB
- Display Pixel Density
- 408 ppi
- against 395 ppi
vivo U3, if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,025 mAh
- Bluetooth Version
- Bluetooth 5.0
- against Bluetooth 4.2
- Battery Features
- Fast Charging, Reverse Charging, Battery Level Indicator, Rechargeable
- against Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator
- Geekbench 6 Single-Core
- 652
- against 329
Specification comparison
Performance
| Specification | A91 | U3 |
|---|---|---|
| Processor Model | MediaTek Helio P70 | Qualcomm Snapdragon 675 |
| Processor Process Size | 12 nm | 11 nm Best value |
| Graphics GPU | Mali-G72 MP3 | Qualcomm Adreno 612 |
| Storage Type | UFS 2.1 | UFS 2.1 |
| Maximum CPU Clock | 2.1 GHz Best value | 2 GHz |
| Maximum Storage Capacity | 256 GB Best value | 64 GB |
| AnTuTu Score | 151,661 | 212,000 |
| Geekbench 6 Single-Core | 329 | 652 Best value |
| Geekbench 6 Multi-Core | 1,066 | 1,609 Best value |
| CPU Description | Octa-core CPU with four Cortex-A73 cores at up to 2.1 GHz and four Cortex-A53 cores at up to 2.0 GHz. | Octa-core CPU with 2x 2.0 GHz Kryo 460 Gold cores and 6x 1.7 GHz Kryo 460 Silver cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB Best value | 6 GB |
| RAM Type | LPDDR4X | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | — |
Design
| Specification | A91 | U3 |
|---|---|---|
| Body Colors | Black, White, Blue, Red | Black, Blue, Green |
| Body Thickness | 7.9 mm Best value | 8.9 mm |
| Body Width | 73.3 mm | 76.5 mm |
| Body Height | 160.2 mm | 162.2 mm |
| Weight | 172 g Best value | 193 g |
| Usable Surface | 85.5 % Best value | 84.4 % |
| Body Materials | Glass, Plastic | Glass, Plastic |
Battery
| Specification | A91 | U3 |
|---|---|---|
| Battery Capacity | 4,025 mAh | 5,000 mAh Best value |
| Battery Type | Li-Polymer | — |
| Fast Charge Power | 20 W Best value | 18 W |
| Battery Features | Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator | Fast Charging, Reverse Charging, Battery Level Indicator, Rechargeable Best value |
Display
| Specification | A91 | U3 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | AMOLED Best value | IPS LCD |
| Peak Display Brightness | 430 nits | — |
| Display Diagonal | 6.4″ | 6.53″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,400 px Best value | 2,340 px |
| Display Pixel Density | 408 ppi Best value | 395 ppi |
| Display Features | Gorilla Glass 5, AMOLED, Water Drop Notch, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless, Always-On Display | IPS LCD, Touchscreen |
Sensors
| Specification | A91 | U3 |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Rear |
Sensor
| Specification | A91 | U3 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Compass, Gravity Sensor, Gyroscope, Light Sensor, Proximity Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | A91 | U3 |
|---|---|---|
| Operating System | Android 9 | Android 9 |
| OS Family | Android | Android |
| OS Version | 9 | 9 |
| Google Services | Yes | — |
Connectivity
| Specification | A91 | U3 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 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 B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 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 |
| Cellular Technologies | GSM, CDMA, HSPA, LTE, 4G | GSM, CDMA, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | 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 4.2 | Bluetooth 5.0 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE, aptX |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, Computer Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB OTG, USB Type-C | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0, USB OTG |
| USB Version | USB 2.0 | USB 2.0 |
| Max. download speed | 300 Mbps | 600 Mbps Best value |
| Max. upload speed | 150 Mbps Best value | 100 Mbps |
Audio
| Specification | A91 | U3 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | A2DP, LE, Loudspeaker | A2DP, LE, aptX, Loudspeaker |
Technical
| Specification | A91 | U3 |
|---|---|---|
| Model numbers | PCPM00, CPH2001, CPH2021 | V1941A, V1941T |
