Detailed comparison and review of Xiaomi Redmi Note 9S and Nokia G21. 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 G21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.75 mm | 164.6 mm | Xiaomi Redmi Note 9S has greater height than Nokia G21. |
| Width | 76.68 mm | 75.9 mm | Xiaomi Redmi Note 9S has greater width than Nokia G21. |
| Depth | 8.8 mm | 8.5 mm | Nokia G21 is narrower than Xiaomi Redmi Note 9S. |
| Weight | 209 g | 190 g | Nokia G21 is lighter than Xiaomi Redmi Note 9S. |
| Body Colour | Aurora blue | Nordic blue | Dusk | |
| Body Material | Curved 3D glass, Gorilla glass 5 | Polycarbonate | |
| Protection | Dustproof, splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.98 W/kg (body), 0.72 W/kg (head), 2.35 W/kg (limb) | 1.048 W/kg (body), 0.339 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 |
USB Type-C - 24 pin USB-C 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 G21 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Screen Size (Display Size) | 6.67" | 6.5" | Xiaomi Redmi Note 9S has larger screen size than Nokia G21. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Xiaomi Redmi Note 9S has better screen resolution than Nokia G21. |
| Display Format | Full HD+ | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Contrast Ratio | 1500:1 | - | |
| HDR | Yes | - | Xiaomi Redmi Note 9S has HDR. |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | Reading mode 2.0, Dot Display | V-notch display, High brightness mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | Xiaomi Redmi Note 9S | Nokia G21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 720G | Unisoc | |
|---|---|---|---|
| Processor Number | - | T606 | |
| Clock Speed | 2.3 GHz | 1.6 GHz | Xiaomi Redmi Note 9S has higher clock speed than Nokia G21. |
| 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 G21 |
|---|
| RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Xiaomi Redmi Note 9S | Nokia G21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | Nokia G21 has better camera resolution than Xiaomi Redmi Note 9S. |
| Sensor Size | 1/2" | 1/2.76" | Nokia G21 has better camera sensor size than Xiaomi Redmi Note 9S. |
| Sensor Type | - | CMOS | |
| Lens Aperture | F/1.79 | F/1.8 | Xiaomi Redmi Note 9S has better lens aperture than Xiaomi Redmi Note 9S. |
| Lens Construction | 6-element | 5-element | |
| Field of View (FoV) | 79 degree(s) | - | |
| Pixel Size | 0.8 μm | 0.64 μm | Xiaomi Redmi Note 9S has larger camera pixel size than Nokia G21. |
| Focus Adjustment | Automatic | - | |
| Special Effects | HDR, Kaleidoscope | - | |
| Camera Modes | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | - | |
| 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 | AI imaging technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Xiaomi Redmi Note 9S has better second camera resolution than Nokia G21. |
|---|---|---|---|
| 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 | - | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 2 Megapixel | Xiaomi Redmi Note 9S has higher resolution third camera than Nokia G21. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Pixel Size (3rd Camera) | 1.12 μm | - | |
| Camera Functions (3rd Camera) | Macro camera | Depth 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 | 8 Megapixel | Xiaomi Redmi Note 9S has better front camera resolution than Nokia G21. |
| 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 | - | |
| Camera Features (Front) | AI scene detection, Palm shutter, AI silhouette detection | - |
| BATTERY AND CHARGING | Xiaomi Redmi Note 9S | Nokia G21 |
|---|
| Battery Capacity (Battery Size) | 5020 mAh | 5050 mAh | Nokia G21 has larger battery capacity than Xiaomi Redmi Note 9S. |
|---|---|---|---|
| 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 |
Mixed usage: up to 72 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi Redmi Note 9S | Nokia G21 |
|---|
| Technology | WCDMA (UMTS) / GSM | - | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 11 | |
| User Interface | MIUI 10 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Payment Technology | Google Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | Xiaomi Redmi Note 9S | Nokia G21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 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 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 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 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | - | Yes | Nokia G21 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi Redmi Note 9S | Nokia G21 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), MP4 | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, M4V, MP4 | - | |
| Sound Enhancements | - | OZO spatial sound recording | |
| Audio Amplifier | Smart PA | - |
| FEATURES | Xiaomi Redmi Note 9S | Nokia G21 |
|---|
| 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 (side) | |
| 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 | Dual microphones, Fast Charging, Google Assistant Button, 3 years of Security Updates, 2 years of OS upgrades, guaranteed upgrade to Android 12 |
| OTHERS | Xiaomi Redmi Note 9S | Nokia G21 |
|---|
| Included Accessories | Protective cover, SIM card removal tool, USB-C cable, 18W charger | USB-C cable, screen protector (pre-applied), 10W charger | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | - |
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