On this page we compare specs ASUS ZenFone 4 (2017) 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 (2017) | 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, 6GB | |
| GPU | Adreno 508, Adreno 512 | Adreno 618 |
| Internal Storage | 64GB (eMCP) | |
| Internal memory | | 64GB 4GB RAM, 128GB 6GB RAM |
| Memory Card Slot | Yes (up to 2TB) | |
| External memory | | microSDXC (dedicated slot) |
| User Interface | ZenUI 4.0 | |
| Display | ASUS ZenFone 4 (2017) | Xiaomi Redmi Note 9 Pro |
|---|
| Type | IPS | IPS LCD |
| Size | 5.5 inch | 6.67" inc |
| Resolution | 1920 x 1080 (FHD) | 1080 x 2400 px |
| Protection | | Corning Gorilla Glass 5 |
| Touchscreen | Yes | capacitive touchscreen |
| Screen-to-Body Ratio | | 84.5% |
| Features | Capacitive Touchscreen | |
| Display area | | 107.4 cm2 |
| 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 (2017) | Xiaomi Redmi Note 9 Pro |
|---|
| NFC | yes | |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| SIM | Nano SIM | |
| 3G Network | | HSDPA 850 / 900 / 1900 / 2100 |
| Dual SIM | Yes (With Hybrid MicroSD Expansion) | |
| 4G Network | | LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Dual-Band, WiFi 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 (LTE Cat12 UL 150 / Cat13 DL 600 Mbps DC-HSPA : UL 5.76 / DL 42 Mbps) | HSPA 42.2/5.76 Mbps, LTE-A |
| USB | USB-C 2.0 (Supports Audio) | 2.0, Type-C 1.0 reversible connector |
| Camera | ASUS ZenFone 4 (2017) | Xiaomi Redmi Note 9 Pro |
|---|
| Main camera | 12 MP f/1.8, 8 MP | 48 MP, Quad |
| Features | LED Flash | LED flash, HDR, panorama |
| Video | | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
| Selfie camera | 8 MP, f/2.0 | 16 MP, Single |
| Multimedia | ASUS ZenFone 4 (2017) | Xiaomi Redmi Note 9 Pro |
|---|
| Loudspeaker | Yes | |
| 3.5 mm Jack | yes | Yes |
| Radio | | FM radio, recording |
| Design | ASUS ZenFone 4 (2017) | 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 | 155.4 x 75.2 x 7.5 mm | 165.8 x 76.7 x 8.8 mm |
| Weight | 165g | 209 g |
| Battery | ASUS ZenFone 4 (2017) | Xiaomi Redmi Note 9 Pro |
|---|
| Placement | Non-Removable | |
| Battery capacity | | 5020 mAh, Non-removable Li-Po |
| Other | ASUS ZenFone 4 (2017) | Xiaomi Redmi Note 9 Pro |
|---|
| Release date | | 2020, March 12 |
| Sensors | Fingerprint Sensor, Accelerometer, Magnetometer, Gyroscope, Ambient Light Sensor, Pedometer, Proximity Sensor | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |
