In depth comparison and review of Xiaomi Redmi 9C and Vivo V21 5G. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Xiaomi Redmi 9C | Vivo V21 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | V2050 | |
| Form Factor | Touch | Touch | |
| Height | 164.9 mm | 159.68 mm | Xiaomi Redmi 9C has greater height than Vivo V21 5G. |
| Width | 77.07 mm | 73.9 mm | Xiaomi Redmi 9C has greater width than Vivo V21 5G. |
| Depth | 9 mm | 7.29 mm | Vivo V21 5G is narrower than Xiaomi Redmi 9C. |
| Weight | 196 g | 176 g | Vivo V21 5G is lighter than Xiaomi Redmi 9C. |
| Body Colour | Sunrise orange | Dusk blue | Sunset dazzle | |
| Body Material | - | Matte glass | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP52 | |
| SAR Value | 0.355 W/kg (head), 0.779 W/kg (body), 1.865 W/kg (limb) | 1.09 W/kg (body), 3.19 W/kg (limb), 0.91 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| 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 9C | Vivo V21 5G |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 6.53" | 6.44" | Xiaomi Redmi 9C has larger screen size than Vivo V21 5G. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2404 x 1080 pixels | Vivo V21 5G has better screen resolution than Xiaomi Redmi 9C. |
| Display Format | HD+ | Full HD+ | |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | 400 cd/m² | 800 cd/m² | Vivo V21 5G has better display brightness than Xiaomi Redmi 9C. |
| Contrast Ratio | 1500:1 | 6000000:1 | Vivo V21 5G has better display contrast ratio than Xiaomi Redmi 9C. |
| HDR | - | Yes | Vivo V21 5G has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | Blue light filter, Sunlight mode | - | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Reading mode, Colour temperature adjustment, Dot Drop display | - |
| PROCESSOR | Xiaomi Redmi 9C | Vivo V21 5G |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | MediaTek Dimensity 800U | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2.4 GHz | Vivo V21 5G has higher clock speed than Xiaomi Redmi 9C. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi 9C has 64-bit architecture. |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | Xiaomi Redmi 9C | Vivo V21 5G |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | 8 GB | Vivo V21 5G has more RAM than Xiaomi Redmi 9C. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Vivo V21 5G has more internal memory than Xiaomi Redmi 9C. |
| Memory Interface | eMMC 5.1 | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Xiaomi Redmi 9C | Vivo V21 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 64 Megapixel | Vivo V21 5G has better camera resolution than Xiaomi Redmi 9C. |
| Lens Aperture | F/2.2 | F/1.79 | Vivo V21 5G has better lens aperture than Xiaomi Redmi 9C. |
| Field of View (FoV) | 75.2 degree(s) | - | |
| Optical Image Stabiliser (OIS) | - | 4-axis OIS (Optical Image Stabilisation) | Vivo V21 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 10x | |
| Special Effects | HDR, Kaleidoscope | Bokeh effect | |
| Camera Modes | AI portrait mode, AI Beautify 5.0 | Beauty mode, Night, Filter mode, Portrait video, Dual video mode, ultra stable video, kid's face beauty, double exposure | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 9C has face detection. |
| Light Source | Single tone LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 3840 x 2160 (4K), 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera | Eye Autofocus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | Vivo V21 5G has better second camera resolution than Xiaomi Redmi 9C. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Vivo V21 5G has better second camera lens aperture than Xiaomi Redmi 9C. |
| Field of View (2nd Camera) | - | 120 degree(s) | |
| Camera Functions (2nd Camera) | Macro camera | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Camera Functions (3rd Camera) | Depth camera | Super macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 44 Megapixels | Vivo V21 5G has better front camera resolution than Xiaomi Redmi 9C. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Vivo V21 5G has better front lens aperture than Xiaomi Redmi 9C. |
| Pixel Size (Front) | 1.12 μm | - | |
| Special Effects (Front) | HDR | HDR | |
| Camera Modes (Front) | AI portrait mode, AI Beautify 5.0 | Beauty mode, Night, Filter mode, Dual video mode, ultra stable video, kid's face beauty, double exposure, AI night portrait | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 9C has face detection. |
| Light Source (Front) | Display flash | Dual LED flash | |
| Video Resolutions (Front) | - | 3840 x 2160 (4K) | |
| Camera Features (Front) | Self-timer, Palm shutter | Optical Image Stabilisation (OIS), 2 x digital zoom, Eye Autofocus |
| BATTERY AND CHARGING | Xiaomi Redmi 9C | Vivo V21 5G |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4000 mAh | Xiaomi Redmi 9C has larger battery capacity than Vivo V21 5G. |
|---|---|---|---|
| Talk Time | 1920 minutes | - | |
| Run Time Details | Playback (audio): up to 167 hrs Playback (video): up to 21 hrs Talk: up to 1920 min Gaming: up to 10 hrs |
- |
| CELLULAR | Xiaomi Redmi 9C | Vivo V21 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Vivo V21 5G has more advanced generation mobile network. |
| Operating System | - | Funtouch OS 11.1 (based on Android 11) | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 9C | Vivo V21 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 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 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 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, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 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, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n7, n8, n28, n41, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi Redmi 9C | Vivo V21 5G |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP | MKV, FLV, 3GP, MP4 |
| FEATURES | Xiaomi Redmi 9C | Vivo V21 5G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, distance sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | AI face unlock, HyperEngine technology | Fast Charging, 3 GB of external memory space for RAM |
| OTHERS | Xiaomi Redmi 9C | Vivo V21 5G |
|---|
| Included Accessories | USB cable, SIM card removal tool, 10W charger | Headset, headset adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, protective case | |
|---|---|---|---|
| Compliant Standards | - | IP52 |
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