On this page we compare specs ASUS ZenFone 4 Selfie Pro with Xiaomi Redmi Note 9 Pro Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | ASUS ZenFone 4 Selfie Pro | Xiaomi Redmi Note 9 Pro |
|---|
| Operating system | Android 7.0 (Nougat) | Android 10.0; MIUI 11 |
| Processor | | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
| Chipset | | Qualcomm SM7125 Snapdragon 720G (8 nm) |
| RAM | 4GB | |
| GPU | Adreno 506 | Adreno 618 |
| Internal Storage | 64GB | |
| Internal memory | | 64GB 4GB RAM, 128GB 6GB RAM |
| Memory Card Slot | Yes (up to 2TB) | |
| User Interface | ZenUI 4.0 | |
| External memory | | microSDXC (dedicated slot) |
| Display | ASUS ZenFone 4 Selfie Pro | Xiaomi Redmi Note 9 Pro |
|---|
| Type | AMOLED | IPS LCD |
| Size | 5.5 inch | 6.67" inc |
| Resolution | 1920 x 1080 (FHD) | 1080 x 2400 px |
| Protection | Corning Gorilla Glass (X), 2.5D | Corning Gorilla Glass 5 |
| Touchscreen | Yes | capacitive touchscreen |
| Screen-to-Body Ratio | | 84.5% |
| Display area | | 107.4 cm2 |
| Features | Capacitive Touchscreen, Glove Support, Oleophobic Coating, 500nit Brightness, 76.7% Screen-To-Body Ratio, Blue Light Filter, 1.7mm Borders. | |
| Display aspect ratio | | 20:9 (height:width) |
| Pixel Density | 401 ppi | 395 PPI |
| Colors | 16 Million Colors | 16M |
| Other | | 450 nits typ. brightness (advertised) |
| Connectivity | ASUS ZenFone 4 Selfie Pro | Xiaomi Redmi Note 9 Pro |
|---|
| NFC | No | |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 1900 / 2100 |
| SIM | Nano SIM | |
| 4G Network | | LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) |
| Dual SIM | Yes (With Hybrid MicroSD Expansion) | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Single-Band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | | 5.0, A2DP, LE |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes - GPS/ AGPS/ Glonass/ BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
| Speed | HSPA, HSPA , LTE | HSPA 42.2/5.76 Mbps, LTE-A |
| USB | MicroUSB 2.0 (Support OTG) | 2.0, Type-C 1.0 reversible connector |
| Camera | ASUS ZenFone 4 Selfie Pro | Xiaomi Redmi Note 9 Pro |
|---|
| Main camera | 16 MP | 48 MP, Quad |
| Features | LED Flash (Front, Back) | LED flash, HDR, panorama |
| Video | | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
| Selfie camera | 12 MP (x2) f/1.8 | 16 MP, Single |
| Multimedia | ASUS ZenFone 4 Selfie Pro | Xiaomi Redmi Note 9 Pro |
|---|
| Loudspeaker | Yes | |
| 3.5 mm Jack | yes | Yes |
| Radio | | FM radio, recording |
| Design | ASUS ZenFone 4 Selfie Pro | Xiaomi Redmi Note 9 Pro |
|---|
| Waterproof | No | |
| Colors | | Aurora Blue, Glacier White, Interstellar Black |
| Body build | | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
| Dimensions | 154.02 x 74.83 x 6.85 mm | 165.8 x 76.7 x 8.8 mm |
| Weight | 145g | 209 g |
| Battery | ASUS ZenFone 4 Selfie Pro | Xiaomi Redmi Note 9 Pro |
|---|
| Placement | Non-Removable | |
| Battery capacity | | 5020 mAh, Non-removable Li-Po |
| Other | ASUS ZenFone 4 Selfie Pro | Xiaomi Redmi Note 9 Pro |
|---|
| Release date | | 2020, March 12 |
| Sensors | Fingerprint Sensor (Front), Gravity Sensor, Magnetometer, Gyroscope, Proximity Sensor, Ambient Light Sensor, Color Correction Sensor (Front Lens) | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |
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