Side-by-side technical data
Sharp Aquos R2 compact vs vivo X21 UD
Comparison between Sharp Aquos R2 compact and vivo X21 UD: camera, battery, fast charging, display, performance and colors, side by side. More phones from Sharp and vivo.
The verdict
Your pick: vivo X21 UD, ahead on Design & display, Performance & hardware and Battery & charging. Unless Camera or Connectivity decides it for you.
| Category | Aquos R2 compact | X21 UD |
|---|---|---|
| Design & display | 7.1 | 7.5 |
| Performance & hardware | 3.8 | 4.1 |
| Camera | 5.5 | 3.6 |
| Connectivity | 4.9 | 4.2 |
| Battery & charging | 1.7 | 2.7 |
Which one is for you?
Sharp Aquos R2 compact, if you care about…
- Display Pixel Density
- 485 ppi
- against 402 ppi
- Weight
- 135 g
- against 156.2 g
- Maximum memory card
- 512 GB
- against 256 GB
- OS Version
- 9
- against 8
vivo X21 UD, if you care about…
- Battery Capacity
- 3,200 mAh
- against 2,500 mAh
- RAM Capacity
- 6 GB
- against 4 GB
- Display Technology
- Super AMOLED
- against IPS LCD
- Maximum Storage Capacity
- 128 GB
- against 64 GB
Specification comparison
Performance
| Specification | Aquos R2 compact | X21 UD |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 8 Gen 2 | Qualcomm Snapdragon 660 |
| Processor Process Size | 10 nm Best value | 14 nm |
| Graphics GPU | Qualcomm Adreno 630 | Qualcomm Adreno 512 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2.6 GHz Best value | 2.2 GHz |
| Maximum Storage Capacity | 64 GB | 128 GB Best value |
| Geekbench 6 Single-Core | — | 342 |
| Geekbench 6 Multi-Core | — | 1,232 |
| CPU Description | Octa-core CPU with four Kryo 385 Gold cores at 2.6 GHz and four Kryo 385 Silver cores at 1.7 GHz. | Octa-core: 4 × 2.2 GHz Kryo 260 Gold and 4 × 1.8 GHz Kryo 260 Silver |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB | 6 GB Best value |
| RAM Type | DDR4 | DDR4 |
| Expandable Storage | Yes | Yes |
| Maximum memory card | 512 GB Best value | 256 GB |
Design
| Specification | Aquos R2 compact | X21 UD |
|---|---|---|
| Body Colors | Green, White, Black | Black, Red |
| Body Thickness | 9.3 mm | 7.4 mm Best value |
| Body Width | 64 mm | 74.8 mm |
| Body Height | 131 mm | 154.5 mm |
| Weight | 135 g Best value | 156.2 g |
| Usable Surface | 80.5 % | 85.2 % Best value |
| Body Materials | Glass, Plastic, Aluminium Alloy | Glass, Aluminium Alloy |
| Resistance Features | IP68 | — |
| Waterproof Depth | 1.5 m | — |
Battery
| Specification | Aquos R2 compact | X21 UD |
|---|---|---|
| Battery Capacity | 2,500 mAh | 3,200 mAh Best value |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | 18 W | 18 W |
| Battery Features | Fast Charging, Battery Level Indicator, Rechargeable | Fast Charging, Battery Level Indicator, Rechargeable |
Display
| Specification | Aquos R2 compact | X21 UD |
|---|---|---|
| Display Aspect Ratio | 19:9 | 19:9 |
| Display Technology | IPS LCD | Super AMOLED Best value |
| Display Diagonal | 5.2″ | 6.28″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,280 px | 2,280 px |
| Display Pixel Density | 485 ppi Best value | 402 ppi |
| Display Refresh Rate | 120 Hz | — |
| Display Features | Gorilla Glass 3, HDR10, Touchscreen | Gorilla Glass 3, Touchscreen |
Sensors
| Specification | Aquos R2 compact | X21 UD |
|---|---|---|
| Fingerprint Sensor Placement | Front | Under Display |
Sensor
| Specification | Aquos R2 compact | X21 UD |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope |
Software
| Specification | Aquos R2 compact | X21 UD |
|---|---|---|
| Operating System | Android 9 | Android 8.1 |
| OS Family | Android | Android |
| OS Version | 9 Best value | 8 |
Connectivity
| Specification | Aquos R2 compact | X21 UD |
|---|---|---|
| SIM Configurations | Single Nano-SIM | Dual Nano-SIM Best value |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B11, 4G LTE B12, 4G LTE B17, 4G LTE B19, 4G LTE B26, LTE B28, 4G LTE B41, 4G LTE B42 | 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 B2, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, LTE, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g | Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, GLONASS, Galileo, QZSS Best value | GPS, GLONASS |
| Connectivity Features | 3.5 mm Audio Jack, NFC, USB Type-C | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0, USB OTG |
| USB Version | USB 2.0 | microUSB |
| Max. download speed | 150 Mbps | 300 Mbps Best value |
| Max. upload speed | 50 Mbps | 50 Mbps |
Audio
| Specification | Aquos R2 compact | X21 UD |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | A2DP, LE, Loudspeaker, 24-bit/192kHz Audio | A2DP, LE, Loudspeaker, 32-bit/192 kHz Audio |
Technical
| Specification | Aquos R2 compact | X21 UD |
|---|---|---|
| Model numbers | SH-M09 | X21UD A |
