| Google Pixel 4 |
Xiaomi Redmi Note 9 Pro |
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| Hardware and OS | Google Pixel 4 | Xiaomi Redmi Note 9 Pro |
| Operating system | Android 10 | Android 10.0; MIUI 11 |
| Processor | Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
| Chipset | Qualcomm SDM855 Snapdragon 855 (7 nm) | Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU | Adreno 640 | Adreno 618 |
| Internal memory | 64GB 6GB RAM, 128GB 6GB RAM | 64GB 4GB RAM, 128GB 6GB RAM |
| External memory | No | microSDXC (dedicated slot) |
| Display | Google Pixel 4 | Xiaomi Redmi Note 9 Pro |
| Type | P-OLED | IPS LCD |
| Size | 5.7" inc | 6.67" inc |
| Resolution | 1080 x 2280 px | 1080 x 2400 px |
| Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 79.8% | 84.5% |
| Display area | 80.7 cm2 | 107.4 cm2 |
| Display aspect ratio | 19:9 (height:width) | 20:9 (height:width) |
| Pixel Density | 444 PPI | 395 PPI |
| Colors | 16M | 16M |
| Other | DCI-P3 100% -HDR -Always-on display -90Hz | 450 nits typ. brightness (advertised) |
| Connectivity | Google Pixel 4 | Xiaomi Redmi Note 9 Pro |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100), 71(600) - 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, dual-band, Wi-Fi Direct, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Network | GSM / CDMA / HSPA / EVDO / LTE | GSM / HSPA / LTE |
| SIM card | Nano-SIM card & eSIM | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 5.0, A2DP, LE, aptX HD | 5.0, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
| NFC | Yes | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat18 1200/150 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| USB | 3.1, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector |
| Camera | Google Pixel 4 | Xiaomi Redmi Note 9 Pro |
| Main camera | 12.2 MP, Dual | 48 MP, Quad |
| Specs | 12.2 MP, f/1.7, 28mm (wide), 1/2.55', 1.4µm, dual pixel PDAF, OIS -16 MP, f/2.4, 45mm (telephoto), 1.0µm, PDAF, OIS, 2x optical zoom | 48 MP, f/1.8, (wide), 1/2.25", 0.8µm, PDAF -8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm -5 MP, f/2.4, (macro), 1.12µm -2 MP, f/2.4, (depth) |
| Features | Dual-LED flash, Auto-HDR, panorama | LED flash, HDR, panorama |
| Video | 2160p@30fps, 1080p@30/60/120fps, 1080p@30fps (gyro-EIS) | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
| Selfie camera | 8 MP, Dual | 16 MP, Single |
| Multimedia | Google Pixel 4 | Xiaomi Redmi Note 9 Pro |
| 3.5 mm Jack | No | Yes |
| Radio | No | FM radio, recording |
| Design | Google Pixel 4 | Xiaomi Redmi Note 9 Pro |
| Colors | Clearly White, Just Black, Oh So Orange | Aurora Blue, Glacier White, Interstellar Black |
| Body build | Front/back glass (Gorilla Glass 5), aluminum frame | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
| Dimensions | 147.1 x 68.8 x 8.2 mm | 165.8 x 76.7 x 8.8 mm |
| Weight | 162 g | 209 g |
| Battery | Google Pixel 4 | Xiaomi Redmi Note 9 Pro |
| Battery capacity | 2800 mAh, Non-removable Li-Po | 5020 mAh, Non-removable Li-Po |
| Other | Google Pixel 4 | Xiaomi Redmi Note 9 Pro |
| Release date | 2019, October | 2020, March 12 |
| Sensors | Face ID, accelerometer, gyro, proximity, compass, barometer | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |
