On this page we compare specs Asus Zenfone 4 Dual-core 1.2 GHz 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 | Xiaomi Redmi Note 9 Pro |
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Operating system | Android 4.3 (Jelly Bean), upgradable to 4.4.2 (KitKat) | Android 10.0; MIUI 11 |
Processor | Dual-core 1.2 GHz | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
Chipset | Intel Atom Z2520 | Qualcomm SM7125 Snapdragon 720G (8 nm) |
GPU | PowerVR SGX544MP2 | Adreno 618 |
Internal memory | 4/8 GB, 1 GB RAM | 64GB 4GB RAM, 128GB 6GB RAM |
External memory | microSD, up to 64 GB (dedicated slot) | microSDXC (dedicated slot) |
Display | Asus Zenfone 4 | Xiaomi Redmi Note 9 Pro |
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Type | TFT | IPS LCD |
Size | 4" inc | 6.67" inc |
Resolution | 480 x 800 px | 1080 x 2400 px |
Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 5 |
Touchscreen | capacitive touchscreen | capacitive touchscreen |
Screen-to-Body Ratio | 59.6% | 84.5% |
Display area | 45.5 cm2 | 107.4 cm2 |
Display aspect ratio | 5:3 (height:width) | 20:9 (height:width) |
Pixel Density | 233 PPI | 395 PPI |
Colors | 16M | 16M |
Other | | 450 nits typ. brightness (advertised) |
Connectivity | Asus Zenfone 4 | Xiaomi Redmi Note 9 Pro |
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2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
Network | GSM / HSPA | GSM / HSPA / LTE |
3G Network | | HSDPA 850 / 900 / 1900 / 2100 |
SIM card | Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
4G Network | | LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) |
Bluetooth | 4.0, A2DP, EDR | 5.0, A2DP, LE |
Edge | Yes | Yes |
GPRS | Yes | Yes |
GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
Speed | HSPA 42.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector |
Camera | Asus Zenfone 4 | Xiaomi Redmi Note 9 Pro |
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Main camera | 5 MP, Single | 48 MP, Quad |
Specs | 5 MP, AF | |
Video | 1080p@30fps | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
Selfie camera | 0.3 MP, Single | 16 MP, Single |
Features | | LED flash, HDR, panorama |
Multimedia | Asus Zenfone 4 | Xiaomi Redmi Note 9 Pro |
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3.5 mm Jack | Yes | Yes |
Radio | No | FM radio, recording |
Design | Asus Zenfone 4 | Xiaomi Redmi Note 9 Pro |
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Colors | Charcoal Black, Pearl White, Cherry Red, Sky Blue, Solar Yellow | Aurora Blue, Glacier White, Interstellar Black |
Dimensions | 124.4 x 61.4 x 6.3-11.2 mm | 165.8 x 76.7 x 8.8 mm |
Weight | 115 g | 209 g |
Body build | | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
Battery | Asus Zenfone 4 | Xiaomi Redmi Note 9 Pro |
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Battery capacity | 1200 mAh, Removable Li-Po | 5020 mAh, Non-removable Li-Po |
Battery life | Stand by time- Up to 192 h Talking time- Up to 10 h
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Other | Asus Zenfone 4 | Xiaomi Redmi Note 9 Pro |
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SAR | SAR - 1.18 W/kg (head), SAR EU - 0.53 W/kg (head) | |
Release date | 2014, January | 2020, March 12 |
Sensors | Accelerometer, proximity | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |