Realme C21 vs. Vivo V21 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Realme C21 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

Realme C21 vs. Vivo V21 5G Comparison Chart
DESIGN AND DIMENSIONS Realme C21 Vivo V21 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - V2050
Form Factor Touch Touch
Height 165.2 mm 159.68 mm Realme C21 has greater height than Vivo V21 5G.
Width 76.4 mm 73.9 mm Realme C21 has greater width than Vivo V21 5G.
Depth 8.9 mm 7.29 mm Vivo V21 5G is narrower than Realme C21.
Weight 190 g 176 g Vivo V21 5G is lighter than Realme C21.
Body Colour Cross black | Cross blue Dusk blue | Sunset dazzle
Body Material - Matte glass
Waterproof (Water-resistant) - -
IP rating - IP52
SAR Value - 1.09 W/kg (body), 3.19 W/kg (limb), 0.91 W/kg (head)
Connector Type Micro-USB
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 Realme C21 Vivo V21 5G
Display Type LCD display OLED display
Display Technology LCD AMOLED
Screen Size (Display Size) 6.5" 6.44" Realme C21 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 Realme C21.
Display Format HD+ Full HD+
Aspect Ratio 20:9 20:9
Max Brightness 420 cd/m² 800 cd/m² Vivo V21 5G has better display brightness than Realme C21.
Contrast Ratio - 6000000:1
HDR - Yes Vivo V21 5G has HDR.
HDR Technology - HDR10+
Display Refresh Rate - 90 Hz
Display Features Mini-drop display -
PROCESSOR Realme C21 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 Realme C21.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) PowerVR GE8320 -
MEMORY Realme C21 Vivo V21 5G
RAM LPDDR4X SDRAM - 3 GB 8 GB Vivo V21 5G has more RAM than Realme C21.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Vivo V21 5G has more internal memory than Realme C21.
Memory Interface - UFS 2.2
Supported Flash Memory Cards (Expandable Memory) microSD microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Realme C21 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 Realme C21.
Lens Aperture F/2.2 F/1.79 Vivo V21 5G has better lens aperture than Realme C21.
Lens Construction 5-element -
Optical Image Stabiliser (OIS) - 4-axis OIS (Optical Image Stabilisation) Vivo V21 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom 4x 10x Vivo V21 5G has better digital zoom than Realme C21.
Special Effects HDR Bokeh effect
Camera Modes Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape Beauty mode, Night, Filter mode, Portrait video, Dual video mode, ultra stable video, kid's face beauty, double exposure
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) 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, Chroma boost Eye Autofocus
SECOND CAMERA
Sensor Resolution (2nd Camera) 2 Megapixel 8 Megapixel Vivo V21 5G has better second camera resolution than Realme C21.
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 Realme C21.
Lens Element Qty (2nd Camera) 3-element -
Field of View (2nd Camera) - 120 degree(s)
Camera Functions (2nd Camera) B&W lens -
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.
Lens Element Qty (3rd Camera) 3-element -
Camera Functions (3rd Camera) Macro camera Super macro camera
Camera Features (3rd Camera) 4cm macro photography 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 Realme C21.
Lens Aperture (Front) F/2.2 F/2.0 Vivo V21 5G has better front lens aperture than Realme C21.
Lens Element Qty (Front) 3-element -
Special Effects (Front) HDR HDR
Camera Modes (Front) Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode 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 - Realme C21 has face detection.
Light Source (Front) - Dual LED flash
Video Resolutions (Front) - 3840 x 2160 (4K)
Camera Features (Front) - Optical Image Stabilisation (OIS), 2 x digital zoom, Eye Autofocus
BATTERY AND CHARGING Realme C21 Vivo V21 5G
Battery Capacity (Battery Size) 5000 mAh 4000 mAh Realme C21 has larger battery capacity than Vivo V21 5G.
CELLULAR Realme C21 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 Realme UI -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Realme C21 Vivo V21 5G
Data Transmission 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 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, 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 1800+, 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 Vivo V21 5G has NFC reader for mobile payments.
MEDIA Realme C21 Vivo V21 5G
Supported Digital Audio Standards - WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), Vorbis
Supported Digital Video Standards - MKV, FLV, 3GP, MP4
FEATURES Realme C21 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, proximity sensor, magnetometer, light sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope
Security Devices Fingerprint reader Fingerprint reader (under display)
Additional Phone Features Super power saving mode, HyperEngine technology, Reverse charging Fast Charging, 3 GB of external memory space for RAM
OTHERS Realme C21 Vivo V21 5G
Included Accessories USB cable, power adapter, SIM card removal tool Headset, headset adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, protective case
Compliant Standards TUV Rheinland IP52
Other projects: