On this page we compare specs Xiaomi Redmi 4 (China) Octa-core 1.4 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 | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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Operating system | Android 6.0.1 (Marshmallow); MIUI 8 | Android 10.0; MIUI 11 |
Processor | Octa-core 1.4 GHz Cortex-A53 | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
Chipset | Qualcomm MSM8937 Snapdragon 430 (28 nm) | Qualcomm SM7125 Snapdragon 720G (8 nm) |
GPU | Adreno 505 | Adreno 618 |
Internal memory | 16GB 2GB RAM | 64GB 4GB RAM, 128GB 6GB RAM |
External memory | microSDXC (uses shared SIM slot) | microSDXC (dedicated slot) |
Display | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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Type | IPS LCD capacitive touchscreen, 16M colors | IPS LCD |
Size | 5.0 inches, 68.0 cm2 | 6.67" inc |
Resolution | 720 x 1280 pixels, 16:9 ratio | 1080 x 2400 px |
Protection | | Corning Gorilla Glass 5 |
Touchscreen | | capacitive touchscreen |
Screen-to-Body Ratio | | 84.5% |
Display area | | 107.4 cm2 |
Display aspect ratio | | 20:9 (height:width) |
Pixel Density | | 395 PPI |
Colors | | 16M |
Other | | 450 nits typ. brightness (advertised) |
Main Camera | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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Camera | 13 MP, f/2.2, PDAF | |
Features | LED flash, HDR, panorama | |
Video | 1080p@30fps | |
Selfie camera | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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Camera | 5 MP, f/2.2 | |
Video | 1080p@30fps | |
Connectivity | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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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), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | 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, Wi-Fi Direct, hotspot |
CDMA | CDMA 800 / 1900 | |
Network | | GSM / HSPA / LTE |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | 4.1, A2DP, LE | 5.0, A2DP, LE |
Infrared port | Yes | |
Edge | | Yes |
GPRS | | Yes |
Technology | GSM / CDMA / HSPA / EVDO / LTE | |
GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
Speed | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE-A |
WLAN | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot | |
USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector |
Camera | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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Main camera | | 48 MP, Quad |
Features | | LED flash, HDR, panorama |
Video | | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
Selfie camera | | 16 MP, Single |
Multimedia | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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Loudspeaker | Yes | |
3.5 mm Jack | Yes | Yes |
Radio | FM radio | FM radio, recording |
Features | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
Design | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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SIM | Hybrid Dual SIM | |
Colors | Gold, Dark Gray, Silver | Aurora Blue, Glacier White, Interstellar Black |
Body build | | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
Dimensions | 141.3 x 69.6 x 8.9 mm (5.56 x 2.74 x 0.35 in) | 165.8 x 76.7 x 8.8 mm |
Weight | 156 g (5.50 oz) | 209 g |
Battery | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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Capacity | Non-removable Li-Po 4100 mAh battery | |
Battery capacity | | 5020 mAh, Non-removable Li-Po |
Other | Xiaomi Redmi 4 (China) | Xiaomi Redmi Note 9 Pro |
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Release date | | 2020, March 12 |
Sensors | | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |