OnePlus 8T vs. Vivo V21 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of OnePlus 8T 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

OnePlus 8T vs. Vivo V21 5G Comparison Chart
DESIGN AND DIMENSIONS OnePlus 8T Vivo V21 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - V2050
Form Factor Touch Touch
Height 160.7 mm 159.68 mm OnePlus 8T has greater height than Vivo V21 5G.
Width 74.1 mm 73.9 mm OnePlus 8T has greater width than Vivo V21 5G.
Depth 8.4 mm 7.29 mm Vivo V21 5G is narrower than OnePlus 8T.
Weight 188 g 176 g Vivo V21 5G is lighter than OnePlus 8T.
Body Colour Lunar silver 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 USB Type-C - 24 pin USB-C 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 OnePlus 8T Vivo V21 5G
Display Type OLED display OLED display
Display Technology Fluid Amoled AMOLED
Screen Size (Display Size) 6.55" 6.44" OnePlus 8T 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 OnePlus 8T.
Display Format Full HD+ Full HD+
Pixel Density 402 ppi -
Aspect Ratio 20:9 20:9
Max Brightness 1100 cd/m² 800 cd/m² OnePlus 8T has better display brightness than Vivo V21 5G.
Contrast Ratio - 6000000:1
HDR Yes Yes Both phones have HDR.
HDR Technology HDR10+ HDR10+
Display Refresh Rate 120 Hz 90 Hz OnePlus 8T has better refresh rate than Vivo V21 5G.
Display Features Always-on display, Reading mode, night mode, Wide colour display (P3) -
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR OnePlus 8T Vivo V21 5G
Processor Type (CPU) Qualcomm Snapdragon 865 MediaTek Dimensity 800U
Clock Speed 3.1 GHz 2.4 GHz OnePlus 8T has higher clock speed than Vivo V21 5G.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Qualcomm ADRENO 650 -
MEMORY OnePlus 8T Vivo V21 5G
RAM LPDDR4X SDRAM - 8 GB 8 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface UFS 3.1 UFS 2.2
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA OnePlus 8T Vivo V21 5G
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 64 Megapixel Vivo V21 5G has better camera resolution than OnePlus 8T.
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Aperture F/1.7 F/1.79 OnePlus 8T has better lens aperture than OnePlus 8T.
Lens Construction 6-element -
Pixel Size 0.8 μm -
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Digital Zoom - 10x
Special Effects HDR Bokeh effect
Camera Modes Panorama, Time-lapse mode, Pro mode, Cine Video Mode, Nightscape capture mode, Portrait, Ultra shot, Filter mode, Pet mode, Macro mode, Video Portrait Mode Beauty mode, Night, Filter mode, Portrait video, Dual video mode, ultra stable video, kid's face beauty, double exposure
Face Recognition (Face ID) Face detection - OnePlus 8T has face detection.
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps 3840 x 2160 (4K), 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 120 fps
Camera Features (Functions) Tracking Focus, Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), Continuous Auto Focus (CAF), RAW image capture, AI scene detection, 4-in-1 Pixel technology, UltraShot engine, 3x Hybrid Zoom Eye Autofocus
SECOND CAMERA
Sensor Resolution (2nd Camera) 16 Megapixel 8 Megapixel OnePlus 8T has better second camera resolution than Vivo V21 5G.
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.
Field of View (2nd Camera) 123 degree(s) 120 degree(s) OnePlus 8T has larger second camera lens field of view than Vivo V21 5G.
THIRD CAMERA
Sensor Resolution (3rd Camera) 5 Megapixel 2 Megapixel OnePlus 8T has higher resolution third camera than Vivo V21 5G.
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) Macro camera Super macro camera
Camera Features (3rd Camera) - 4cm macro photography
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Camera Functions (4th Camera) Monochrome -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 44 Megapixels Vivo V21 5G has better front camera resolution than OnePlus 8T.
Sensor Name (Front) Sony Exmor RX IMX471 sensor -
Lens Aperture (Front) F/2.4 F/2.0 Vivo V21 5G has better front lens aperture than OnePlus 8T.
Pixel Size (Front) 1 μm -
Focus Adjustment Focus free -
Special Effects (Front) HDR, face retouch HDR
Camera Modes (Front) Time-lapse mode Beauty mode, Night, Filter mode, Dual video mode, ultra stable video, kid's face beauty, double exposure, AI night portrait
Light Source (Front) Display flash Dual LED flash
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps 3840 x 2160 (4K)
Camera Features (Front) Electronic Image Stabiliser (EIS) Optical Image Stabilisation (OIS), 2 x digital zoom, Eye Autofocus
BATTERY AND CHARGING OnePlus 8T Vivo V21 5G
Battery Capacity (Battery Size) 4500 mAh 4000 mAh OnePlus 8T has larger battery capacity than Vivo V21 5G.
Fast Charging Technology Warp Charge 65 technology - OnePlus 8T has fast charging technology.
CELLULAR OnePlus 8T Vivo V21 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System OxygenOS (based on Android 11) Funtouch OS 11.1 (based on Android 11)
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OnePlus 8T Vivo V21 5G
Data Transmission FDD-LTE, TDD-LTE, 5G NR FR1 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 9, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900, 1700, 800 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 46, Band 66 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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 5150, FDD 1700 - 2110 AWS-3 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, n28, n41, n78 N1, n3, n7, n8, n28, n41, n78, n40
5G NR Frequency FDD 2100, FDD 1800, FDD 2600, FDD 700APT, TDD TD 2500, TDD TD 3500 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/ax Wi-Fi
Bluetooth Bluetooth 5.1 Bluetooth 5.1
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Modem Snapdragon X55 5G -
MEDIA OnePlus 8T Vivo V21 5G
Supported Digital Audio Standards WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, SBC, apt-X HD, EAC3-JOC, AC-4 WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), Vorbis
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 MKV, FLV, 3GP, MP4
Sound Enhancements Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound -
FEATURES OnePlus 8T 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, proximity sensor, digital compass, gyro sensor, flicker sensor, sensor core Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope
Security Devices Fingerprint reader (under display), face recognition Fingerprint reader (under display)
Security Technology Face Unlock -
Additional Phone Features Noise Cancellation Technology, MIMO technology, Alert Slider, dual stereo speakers Fast Charging, 3 GB of external memory space for RAM
OTHERS OnePlus 8T Vivo V21 5G
Included Accessories SIM card removal tool, sticker, screen protector, protective case, Warp Charge 65 power adapter, Warp Type-C to Type-C cable Headset, headset adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, protective case
Compliant Standards SGS IP52
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