| Oukitel C21 Plus |
Xiaomi Redmi Note 9 Pro |
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| Hardware and OS | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| Operating system | Android v11 | Android 10.0; MIUI 11 |
| Processor | 1.99 GHz, Octa Core Processor | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
| Chipset | MediaTek Helio P60 | Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU | Arm Mali-G72 MP3 | Adreno 618 |
| Cores | 4x Arm Cortex-A73@ 2.0 GHz & 4x Arm Cortex-A53@ 2.0GHz | |
| Internal memory | 64GB 4GB RAM, 128GB 6GB RAM | |
| External memory | microSDXC (dedicated slot) | |
| Ram | 8 GB | |
| Storage | 128 GB | |
| Card Slot | Yes, (Hybrid Slot) | |
| Display | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| Type | Color LTPS (16M Colors) | IPS LCD |
| Size | 6.4 inches, 720 x 1560 pixels | 6.67" inc |
| Resolution | 1080 x 2400 px | |
| Protection | Corning Gorilla Glass 5 | |
| Touchscreen | capacitive touchscreen | |
| Aspect Ratio | 20 : 9 | |
| Screen-to-Body Ratio | 84.5% | |
| PPI | ~320 PPI | |
| Display area | 107.4 cm2 | |
| Touch | Yes, with Multitouch | |
| Display aspect ratio | 20:9 (height:width) | |
| Pixel Density | 395 PPI | |
| Colors | 16M | |
| Other | 450 nits typ. brightness (advertised) | |
| Main Camera | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| Camera | 20 MP f/2 | |
| Flash | Yes, LED | |
| Video | 1080p | |
| Connectivity | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | Yes | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | Yes | 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 | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | Yes, v5.0 | 5.0, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A | |
| USB Features | USB on-the-go, USB Charging | |
| USB | Yes, USB-C | 2.0, Type-C 1.0 reversible connector |
| VoLTE | Yes | |
| Wifi | Yes, with wifi-hotspot | |
| Selfie camera | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| Camera | 16 MP f/2 2 MP 2 MP 2 MP with autofocus | |
| Video | 1080p | |
| Camera | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| Main camera | 48 MP, Quad | |
| Specs | 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 | LED flash, HDR, panorama | |
| Video | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS | |
| Selfie camera | 16 MP, Single | |
| Multimedia | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio, recording | |
| Design | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| Dual Sim | Yes | |
| Sim Type | Dual Sim, GSM GSM (Hybrid Slot) | |
| Sim Size | Nano SIM | |
| Colors | Aurora Blue, Glacier White, Interstellar Black | |
| Body build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame | |
| Dimensions | 75.5 x 157.3 x 8.75 mm | 165.8 x 76.7 x 8.8 mm |
| Weight | 170 g | 209 g |
| Features | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| Sensors | Proximity Sensor, Ambient Light Sensor, G-sensor, M-sensor, Gyroscope, Geomagnetic Instrument, Acceleration Sensor, Compass | |
| Fingerprint Sensor | Yes, Rear | |
| Face Unlock | Yes | |
| Battery | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| Type | Non-Removable Battery | |
| Battery capacity | 4500 mAh | 5020 mAh, Non-removable Li-Po |
| Other | Oukitel C21 Plus | Xiaomi Redmi Note 9 Pro |
| Release date | 2020, March 12 | |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |
