Xiaomi Redmi Note 9 Pro vs. Vivo V21 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi Redmi Note 9 Pro 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.

Phone Specifications Comparison

Xiaomi Redmi Note 9 Pro vs. Vivo V21 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi Note 9 Pro Vivo V21 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - V2050
Form Factor Touch Touch
Height 165.75 mm 159.68 mm Xiaomi Redmi Note 9 Pro has greater height than Vivo V21 5G.
Width 76.68 mm 73.9 mm Xiaomi Redmi Note 9 Pro has greater width than Vivo V21 5G.
Depth 8.8 mm 7.29 mm Vivo V21 5G is narrower than Xiaomi Redmi Note 9 Pro.
Weight 209 g 176 g Vivo V21 5G is lighter than Xiaomi Redmi Note 9 Pro.
Body Colour Interstellar grey | Tropical green Dusk blue | Sunset dazzle
Body Material Curved 3D glass, Gorilla glass 5 Matte glass
Protection Splashproof -
Waterproof (Water-resistant) - -
IP rating - IP52
SAR Value 2.07 W/kg (limb), 1.021 W/kg (body), 0.662 W/kg (head) 1.09 W/kg (body), 3.19 W/kg (limb), 0.91 W/kg (head)
Integrated Components Ultra-linear speaker -
Connector Type USB Type-C - 24 pin USB-C
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 Note 9 Pro Vivo V21 5G
Display Type LCD display OLED display
Display Technology - AMOLED
Screen Size (Display Size) 6.67" 6.44" Xiaomi Redmi Note 9 Pro has larger screen size than Vivo V21 5G.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2404 x 1080 pixels Vivo V21 5G has better screen resolution than Xiaomi Redmi Note 9 Pro.
Display Format Full HD+ Full HD+
Aspect Ratio - 20:9
Max Brightness 450 cd/m² 800 cd/m² Vivo V21 5G has better display brightness than Xiaomi Redmi Note 9 Pro.
Contrast Ratio 1500:1 6000000:1 Vivo V21 5G has better display contrast ratio than Xiaomi Redmi Note 9 Pro.
HDR - Yes Vivo V21 5G has HDR.
HDR Technology - HDR10+
Display Refresh Rate - 90 Hz
Display Features Reading mode 2.0, Dot Display -
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi Redmi Note 9 Pro Vivo V21 5G
Processor Type (CPU) Qualcomm Snapdragon 720G MediaTek Dimensity 800U
Clock Speed 2.3 GHz 2.4 GHz Vivo V21 5G has higher clock speed than Xiaomi Redmi Note 9 Pro.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi Redmi Note 9 Pro has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 618 -
MEMORY Xiaomi Redmi Note 9 Pro Vivo V21 5G
RAM 6 GB 8 GB Vivo V21 5G has more RAM than Xiaomi Redmi Note 9 Pro.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Vivo V21 5G has more internal memory than Xiaomi Redmi Note 9 Pro.
Memory Interface - UFS 2.2
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Xiaomi Redmi Note 9 Pro Vivo V21 5G
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 64 Megapixel 64 Megapixel Both phones have the same camera resolution.
Sensor Size 1/1.72" -
Lens Aperture F/1.89 F/1.79 Vivo V21 5G has better lens aperture than Xiaomi Redmi Note 9 Pro.
Lens Construction 6-element -
Field of View (FoV) 79.8 degree(s) -
Pixel Size 0.8 μm -
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 Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits 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 Note 9 Pro has face detection.
Light Source 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 3840 x 2160 (4K), 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 120 fps
Camera Features (Functions) 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, AI Quad camera, Steady handheld night photography, full screen frame, AI watermark Eye Autofocus
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 8 Megapixel Both phones have the same second camera resolution.
Sensor Size (2nd Camera) 1/4" -
Lens Type (2nd Camera) Ultra wide-angle lens Wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Lens Element Qty (2nd Camera) 5-element -
Field of View (2nd Camera) 119 degree(s) 120 degree(s) Vivo V21 5G has larger second camera lens field of view than Xiaomi Redmi Note 9 Pro.
Pixel Size (2nd Camera) 1.12 μm -
Camera Features (2nd Camera) 5-piece lens -
THIRD CAMERA
Sensor Resolution (3rd Camera) 5 Megapixel 2 Megapixel Xiaomi Redmi Note 9 Pro has higher resolution third camera than Vivo V21 5G.
Sensor Size (3rd Camera) 1/5" -
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Pixel Size (3rd Camera) 1.12 μm -
Camera Functions (3rd Camera) Macro camera Super macro camera
Camera Features (3rd Camera) AF (2cm-10cm) 4cm macro photography
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Sensor Size (4th Camera) 1/5" -
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 44 Megapixels Vivo V21 5G has better front camera resolution than Xiaomi Redmi Note 9 Pro.
Sensor Size (Front) 1/3.06" -
Lens Aperture (Front) F/2.48 F/2.0 Vivo V21 5G has better front lens aperture than Xiaomi Redmi Note 9 Pro.
Field of View (Front) 82.4 degree(s) -
Pixel Size (Front) 1 μm -
Special Effects (Front) HDR HDR
Camera Modes (Front) Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie 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 Note 9 Pro has face detection.
Light Source (Front) Display flash Dual LED flash
Video Resolutions (Front) - 3840 x 2160 (4K)
Camera Features (Front) AI scene detection, Palm shutter, AI silhouette detection Optical Image Stabilisation (OIS), 2 x digital zoom, Eye Autofocus
BATTERY AND CHARGING Xiaomi Redmi Note 9 Pro Vivo V21 5G
Battery Capacity (Battery Size) 5020 mAh 4000 mAh Xiaomi Redmi Note 9 Pro has larger battery capacity than Vivo V21 5G.
Fast Charging Technology Qualcomm Quick Charge 4.0 - Xiaomi Redmi Note 9 Pro has fast charging technology.
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 9 Pro 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 Android 10 Funtouch OS 11.1 (based on Android 11)
User Interface MIUI 11 -
Payment Technology Google Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi Redmi Note 9 Pro 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, 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 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 802.11a/b/g/n/ac 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 Note 9 Pro Vivo V21 5G
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), Vorbis
Supported Digital Video Standards MKV, XviD, M4V, MP4 MKV, FLV, 3GP, MP4
Audio Amplifier Smart PA -
FEATURES Xiaomi Redmi Note 9 Pro 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, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope
Security Devices Face recognition, fingerprint reader (side) Fingerprint reader (under display)
Additional Phone Features Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor Fast Charging, 3 GB of external memory space for RAM
OTHERS Xiaomi Redmi Note 9 Pro Vivo V21 5G
Included Accessories Protective cover, SIM card removal tool, USB-C cable, 33W charger Headset, headset adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, protective case
Compliant Standards TUV Rheinland Low Blue Light Certification IP52
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