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vivo V21 5G vs Xiaomi Redmi Note 10 Pro

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

vivoV21 5GXiaomiRedmi Note 10 Pro
Overview
ReleasedMay 2021March 2021
Display
Screen size6.44″6.67″
Resolution2404 × 10802400 × 1080
Sharpness409 pixels per inch395 pixels per inch
PanelOLEDOLED
Refresh rate90 Hz120 Hz
Peak brightness800 nits1,200 nits
Display typeE3 AMOLED; current global parameter sheet lists 2,404 × 1,080 pixels, whereas the reviews list 2,400 × 1,080AMOLED DotDisplay with a central selfie-camera cutout.
Brightness detail500 nits typical, 800 nits HBM–
Always-on displayAlways-on display, TechAdvisor–
Display featuresHDR10+, 6,000,000:1 contrast; 60 Hz default with Smart Switch, 60 Hz and 90 Hz settings; some applications remain at 60 Hz240 Hz touch sampling, DCI-P3 and reading mode; 700 nits typical high-brightness mode versus 1,200 nits typical peak.
Performance
ChipMediaTek Dimensity 800UQualcomm Snapdragon 732G
Memory8 GB6 GB – 8 GB
Storage128 GB, 256 GB64 GB, 128 GB
CPU7 nm octa-core processor, up to 2.4 GHz8 nm Snapdragon 732G.
GPU–Adreno 618, as specified by the maker; Tech Advisor's Adreno 418 reference is a typo.
Storage typeUFS 2.2; 8 GB physical RAM with 128 GB or 256 GB storage globally; global overview describes 3 GB extended RAM from storage, current India overview describes 4 GB; UK 128 GB model identified by TechAdvisor and TechRadarLPDDR4X, UFS 2.2 and microSD expansion (Tech Advisor).
Cameras
Main camera64 MP108 MP
Ultra wide camera8 MP8 MP
Telephoto cameraNoneNone
Optical zoomNoneNone
Front camera44 MP16 MP
Main cameraAutofocus, f/1.79, four-axis OISf/1.9, 1/1.52-inch sensor and nine-pixel binning to 2.1 µm; no optical stabilisation (Tech Advisor), despite Expert Reviews describing OIS.
Ultra wide cameraf/2.2, 120° lens angle or 108° after distortion correctionf/2.2 and 118° field of view.
Front cameraAutofocus, f/2.0, OIS and dual Selfie Spotlight lights; 44 MP output in 16:11 mode only–
Video recordingRear 4K at 30 fps and 1080p at 60 fps, TechAdvisor; maker says OIS and EIS are unavailable in 4K at 30 fpsRear 4K at 30 fps or 1080p at 30/60 fps; maker recording modes control Expert Reviews' 1080p-only claim.
Front video4K at 30 fps without OIS or EIS; Ultra Stable Selfie Videof/2.45 selfie lens; 1080p at 30 fps or 720p at 30 fps.
Camera features2 MP f/2.4 macro camera with 4 cm focus distance; eye autofocus, night portrait, dual-view video, double exposure and multi-style portraitAdditional 5 MP f/2.4 autofocus telemacro and 2 MP f/2.4 depth cameras; night, long-exposure and clone modes. Telemacro is a close-up camera, not a distance-zoom lens.
Battery and charging
Battery4,000 mAh5,020 mAh
Wired chargingUp to 33 WUp to 33 W
Wireless chargingNoneNone
Battery life detailTypical capacity–
Wired charging11 V/3 A FlashCharge adapter; up to 63% in 30 minutes in maker laboratory tests at 25℃ ±1℃, starting at 1% with screen off; actual charging power variesMaker laboratory claim is 59% in 30 minutes; actual results vary.
Wireless chargingNo wireless charging, TechAdvisorNo wireless charging (Tech Advisor).
Design
TypeStandardStandard
Weight176 g193 g
Thickness7.29 mm8.1 mm
Height × width159.68 × 73.9 mm164 × 76.5 mm
Water and dust resistance–IP53
MaterialsAG matte glass back and flat frame; maker glass description differs from TechAdvisor's plastic-back descriptionCurved glass back, confirmed by the maker; Tech Advisor instead assumed plastic.
ColoursDusk Blue at 176 g and 7.29 mm; Sunset Dazzle and Arctic White at 177 g and 7.39 mm; UK maker release lists Dusk Blue and Sunset DazzleOnyx Gray, Glacier Blue and Gradient Bronze.
BiometricsIn-display fingerprint scanningSide fingerprint sensor and AI face unlock.
SensorsAccelerometer, ambient light sensor, e-compass, proximity sensor and gyroscope–
SpeakersSingle speaker, TechAdvisorStereo speakers and 3.5 mm headphone socket.
Software
Operating systemAndroidAndroid
Software at launchFuntouch OS 11.1; Android 11 identified by both reviewsMIUI 12 based on Android 11.
In the boxPhone, headset, documentation, USB-C cable, power adapter, earphone jack adapter, SIM eject tool, case and applied protective film; accessories vary by regionCharger, cable, case, SIM tool and documents. Global/UK 108 MP hardware is used; India's 64 MP Pro and China's Dimensity model are different. Gizmochina's 8 March 2021 report confirms the global phone was on sale, used at month precision; Tech Advisor confirms later UK availability on 13 April. Expert Reviews used a different phone for its preproduction performance benchmarks, which are not copied here.
Connectivity
Mobile networkGlobal bands GSM B2/3/5/8; WCDMA B1/2/4/5/8; LTE FDD B1/2/3/4/5/7/8/20/28, TDD B38/39/40/41F as printed by maker; 5G n1/3/7/28/41/78; SA and NSA subject to carrier and software–
SIMHybrid slot for one nano-SIM plus a second nano-SIM or microSD card; dual standby; 5G + 5G dual SIM on NSA networks onlyDual SIM.
Wi-Fi2.4 GHz and 5 GHz; Wi-Fi 5 identified by TechAdvisorDual-band 2.4/5 GHz Wi-Fi.
BluetoothBluetooth 5.1Bluetooth 5.1.
NFCSupported in Europe, Saudi Arabia, UAE, South Africa, Hong Kong, Taiwan and Singapore; NFC-eSE in Indonesia; other regions not confirmed by global sheetMarket-dependent NFC.
USBUSB-C with OTG; no 3.5 mm headphone socket, TechAdvisorUSB-C (Tech Advisor).
PositioningGPS, BeiDou, Galileo and GLONASS–

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