On this page we compare specs Asus Zenfone Selfie ZD551KL Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) 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 Selfie ZD551KL | Xiaomi Redmi Note 9 Pro |
|---|
| Operating system | Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow); ZenUI | Android 10.0; MIUI 11 |
| Processor | Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
| Chipset | Qualcomm MSM8939 Snapdragon 615 (28 nm) | Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU | Adreno 405 | Adreno 618 |
| Internal memory | 16/32 GB, 2/3 GB RAM | 64GB 4GB RAM, 128GB 6GB RAM |
| External memory | microSD, up to 256 GB (dedicated slot) | microSDXC (dedicated slot) |
| Display | Asus Zenfone Selfie ZD551KL | Xiaomi Redmi Note 9 Pro |
|---|
| Type | IPS LCD | IPS LCD |
| Size | 5.5" inc | 6.67" inc |
| Resolution | 1080 x 1920 px | 1080 x 2400 px |
| Protection | Corning Gorilla Glass 4, oleophobic coating | Corning Gorilla Glass 5 |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 68.3% | 84.5% |
| Display area | 82.6 cm2 | 107.4 cm2 |
| Display aspect ratio | 16:9 (height:width) | 20:9 (height:width) |
| Pixel Density | 403 PPI | 395 PPI |
| Colors | 16M | 16M |
| Other | | 450 nits typ. brightness (advertised) |
| Connectivity | Asus Zenfone Selfie ZD551KL | Xiaomi Redmi Note 9 Pro |
|---|
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - Global | 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, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
| SIM card | Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 4.0, A2DP, EDR | 5.0, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| USB | microUSB 2.0, USB Host | 2.0, Type-C 1.0 reversible connector |
| Camera | Asus Zenfone Selfie ZD551KL | Xiaomi Redmi Note 9 Pro |
|---|
| Main camera | 13 MP, Single | 48 MP, Quad |
| Specs | 13 MP, f/2.0, 28mm (wide), 1/3', laser AF | |
| Features | Dual-LED dual-tone flash, panorama, HDR | LED flash, HDR, panorama |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
| Selfie camera | 13 MP, Single | 16 MP, Single |
| Multimedia | Asus Zenfone Selfie ZD551KL | Xiaomi Redmi Note 9 Pro |
|---|
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio, RDS | FM radio, recording |
| Design | Asus Zenfone Selfie ZD551KL | Xiaomi Redmi Note 9 Pro |
|---|
| Colors | Pure White, Chic Pink, Aqua Blue | Aurora Blue, Glacier White, Interstellar Black |
| Body build | Plastic body | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
| Dimensions | 156.5 x 77.2 x 10.8 mm | 165.8 x 76.7 x 8.8 mm |
| Weight | 170 g | 209 g |
| Battery | Asus Zenfone Selfie ZD551KL | Xiaomi Redmi Note 9 Pro |
|---|
| Battery capacity | 3000 mAh, Removable Li-Po | 5020 mAh, Non-removable Li-Po |
| Other | Asus Zenfone Selfie ZD551KL | Xiaomi Redmi Note 9 Pro |
|---|
| Release date | 2015, June | 2020, March 12 |
| Sensors | Accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |
