Side-by-side technical data
Umidigi A9 vs Xiaomi Redmi Note 8 (2021)
Comparison between Umidigi A9 and Xiaomi Redmi Note 8 (2021): camera, battery, fast charging, display, performance and colors, side by side. More phones from Umidigi and Xiaomi.
The verdict
Your pick: Xiaomi Redmi Note 8 (2021), ahead on Design & display and Camera. Unless Battery & charging decides it for you.
| Category | A9 | Redmi Note 8 (2021) |
|---|---|---|
| Design & display | 4.4 | 5.5 |
| Performance & hardware | 3.0 | 2.8 |
| Camera | 4.8 | 5.5 |
| Connectivity | 5.2 | 5.5 |
| Battery & charging | 5.3 | 3.8 |
Which one is for you?
Umidigi A9, if you care about…
- Battery Capacity
- 5,150 mAh
- against 4,000 mAh
- Storage Type
- UFS 2.1
- against eMMC 5.1
- Body Materials
- Plastic, Glass, Metal
- against Glass, Plastic, P2i Nano Coating, Splash Resistant
- Display Diagonal
- 6.53″
- against 6.3″
Xiaomi Redmi Note 8 (2021), if you care about…
- AnTuTu Score
- 225,154
- against 102,000
- RAM Capacity
- 4 GB
- against 3 GB
- Bluetooth Version
- Bluetooth 5.2
- against Bluetooth 5.0
- Maximum Storage Capacity
- 128 GB
- against 64 GB
Specification comparison
Performance
| Specification | A9 | Redmi Note 8 (2021) |
|---|---|---|
| Processor Model | MediaTek Helio G25 | MediaTek Helio G85 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | PowerVR GE8320 | Mali-G52 MC2 |
| Storage Type | UFS 2.1 Best value | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz | 2 GHz |
| Maximum Storage Capacity | 64 GB | 128 GB Best value |
| AnTuTu Score | 102,000 | 225,154 Best value |
| Geekbench 6 Single-Core | 185 | 424 Best value |
| Geekbench 6 Multi-Core | 521 | 1,322 Best value |
| CPU Description | Octa-core processor with four Cortex-A53 cores at 2.0 GHz and four Cortex-A53 cores at 1.5 GHz. | Octa-core processor with 2 Cortex-A75 cores at 2.0 GHz and 6 Cortex-A55 cores at 1.8 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 3 GB | 4 GB Best value |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v9 | v10 |
Design
| Specification | A9 | Redmi Note 8 (2021) |
|---|---|---|
| Body Colors | Grey, Blue, Green, Black | Blue, White, Black |
| Body Thickness | 9.5 mm | 8.4 mm Best value |
| Body Width | 77.1 mm | 75.3 mm |
| Body Height | 164 mm | 158.3 mm |
| Weight | 204 g | 190 g Best value |
| Usable Surface | 81.4 % | 81.7 % Best value |
| Body Materials | Plastic, Glass, Metal Best value | Glass, Plastic, P2i Nano Coating, Splash Resistant |
Battery
| Specification | A9 | Redmi Note 8 (2021) |
|---|---|---|
| Battery Capacity | 5,150 mAh Best value | 4,000 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 10 W | 18 W Best value |
| Battery Features | Fast Charging, Non-Removable, Battery Level Indicator, Wireless Charging, Rechargeable | Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable |
Display
| Specification | A9 | Redmi Note 8 (2021) |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | — | 500 nits |
| Display Diagonal | 6.53″ Best value | 6.3″ |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,600 px | 2,340 px Best value |
| Display Pixel Density | 269 ppi | 409 ppi Best value |
| Display Refresh Rate | — | 60 Hz |
| Display Contrast Ratio | — | 1,500 :1 |
| Display Features | Water Drop Notch, Curved Glass, Capacitive Touch, Multi-Touch, Frameless | Gorilla Glass 5, Water Drop Notch, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, Touchscreen |
Sensors
| Specification | A9 | Redmi Note 8 (2021) |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | A9 | Redmi Note 8 (2021) |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Light Sensor, Thermometer Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor |
Software
| Specification | A9 | Redmi Note 8 (2021) |
|---|---|---|
| Operating System | Android 11 | Android 11 |
| OS Family | Android | Android |
| OS Version | 11 | 11 |
| Google Services | Yes | Yes |
Connectivity
| Specification | A9 | Redmi Note 8 (2021) |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM, Dual SIM Dual Standby |
| 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 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, 4G LTE B28A, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 2G CDMA BC0, 2G CDMA BC1 | 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, 3G UMTS 1700 AWS, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G | GSM, HSPA, UMTS, 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/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, 3.5 mm Audio Jack, FM Radio, Computer Sync, OTA Sync, Tethering, VoLTE | 3.5 mm Audio Jack, Infrared, FM Radio, USB Type-C, USB OTG, USB Host, USB Mass Storage, USB Charging, Computer Sync, OTA Sync, Tethering, VoLTE |
| USB Version | USB Type-C | USB 2.0 |
| SAR American Head | — | 0.97 W/kg |
| SAR American Body | — | 0.75 W/kg |
| SAR (EU) head | — | 0.57 W/kg |
| SAR (EU) body | — | 0.94 W/kg |
| Max. download speed | 150 Mbps | 300 Mbps Best value |
| Max. upload speed | 50 Mbps | 100 Mbps Best value |
Audio
| Specification | A9 | Redmi Note 8 (2021) |
|---|---|---|
| Audio Features | A2DP, LE, HID, Loudspeaker | A2DP, LE, Loudspeaker |
Technical
| Specification | A9 | Redmi Note 8 (2021) |
|---|---|---|
| Model numbers | — | M1908C3JGG |
