Detailed comparison and review of Xiaomi Redmi Note 9S and Nokia C21 Plus. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | TA-1424 | |
| Form Factor | Touch | Touch | |
| Height | 165.75 mm | 164.8 mm | Xiaomi Redmi Note 9S has greater height than Nokia C21 Plus. |
| Width | 76.68 mm | 75.9 mm | Xiaomi Redmi Note 9S has greater width than Nokia C21 Plus. |
| Depth | 8.8 mm | 8.55 mm | Nokia C21 Plus is narrower than Xiaomi Redmi Note 9S. |
| Weight | 209 g | 191 g | Nokia C21 Plus is lighter than Xiaomi Redmi Note 9S. |
| Body Colour | Aurora blue | Dark cyan | Warm grey | |
| Body Material | Curved 3D glass, Gorilla glass 5 | - | |
| Protection | Dustproof, splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.98 W/kg (body), 0.72 W/kg (head), 2.35 W/kg (limb) | 1.29 W/kg (body), 0.685 W/kg (head) | |
| Integrated Components | Ultra-linear speakers | FM radio | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | - | LCD | |
| Screen Size (Display Size) | 6.67" | 6.517" | Xiaomi Redmi Note 9S has larger screen size than Nokia C21 Plus. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Xiaomi Redmi Note 9S has better screen resolution than Nokia C21 Plus. |
| Display Format | Full HD+ | - | |
| Aspect Ratio | - | 20:9 | |
| Contrast Ratio | 1500:1 | - | |
| HDR | Yes | - | Xiaomi Redmi Note 9S has HDR. |
| Display Features | Reading mode 2.0, Dot Display | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | 2.5D tempered glass |
| PROCESSOR | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 720G | Spreadtrum Unisoc | |
|---|---|---|---|
| Processor Number | - | SC9863A | |
| Clock Speed | 2.3 GHz | 1.6 GHz | Xiaomi Redmi Note 9S has higher clock speed than Nokia C21 Plus. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi Note 9S has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 618 | - |
| MEMORY | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| RAM | 4 GB | 2 GB | Xiaomi Redmi Note 9S has more RAM than Nokia C21 Plus. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Xiaomi Redmi Note 9S has more internal memory than Nokia C21 Plus. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 13 Megapixel | Xiaomi Redmi Note 9S has better camera resolution than Nokia C21 Plus. |
| Sensor Size | 1/2" | - | |
| Lens Aperture | F/1.79 | - | |
| Lens Construction | 6-element | - | |
| Field of View (FoV) | 79 degree(s) | - | |
| Pixel Size | 0.8 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, Kaleidoscope | HDR | |
| Camera Modes | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | Panorama, Portrait | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 9S has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Still Image Resolutions | 8000 x 6000 | - | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | - | |
| Camera Features (Functions) | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Xiaomi Redmi Note 9S has better second camera resolution than Nokia C21 Plus. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Field of View (2nd Camera) | 119 degree(s) | - | |
| Pixel Size (2nd Camera) | 1.12 μm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Pixel Size (3rd Camera) | 1.12 μm | - | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | AF (2cm-10cm) | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | Xiaomi Redmi Note 9S has better front camera resolution than Nokia C21 Plus. |
| Lens Aperture (Front) | F/2.48 | - | |
| Pixel Size (Front) | 1 μm | - | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 9S has face detection. |
| Light Source (Front) | Display flash | LED flash | |
| Camera Features (Front) | AI scene detection, Palm shutter, AI silhouette detection | - |
| BATTERY AND CHARGING | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| Battery Capacity (Battery Size) | 5020 mAh | - | |
|---|---|---|---|
| Talk Time | 1980 minutes | - | |
| Run Time Details | Talk: up to 1980 min Gaming: up to 13 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 11 (Go edition) | |
| User Interface | MIUI 10 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Payment Technology | Google Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS |
| COMMUNICATIONS | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | - | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), MP4 | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, M4V, MP4 | - | |
| Audio Amplifier | Smart PA | - |
| FEATURES | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader | |
| Security Technology | A.I. face recognition | Face Unlock | |
| Additional Phone Features | Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor | 2 years of Security Updates |
| OTHERS | Xiaomi Redmi Note 9S | Nokia C21 Plus |
|---|
| Included Accessories | Protective cover, SIM card removal tool, USB-C cable, 18W charger | Headphones, power adapter, USB-C cable, protective case | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | - |
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