Google Pixel 6a vs vivo V21 5G

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

Only show differences

Better figure, where one is clearly better

Share comparison

Pixel 6a compared with V21 5G

	GooglePixel 6a	vivoV21 5G
Overview
Released
Released	July 2022	May 2021
Display
Screen size
Screen size	6.1″	6.44″
Resolution
Resolution	2400 × 1080	2404 × 1080 (better)
Sharpness
Sharpness	431 pixels per inch (better)	409 pixels per inch
Panel
Panel	OLED	OLED
Refresh rate
Refresh rate	60 Hz	90 Hz (better)
Peak brightness
Peak brightness	–	800 nits
Display type
Display type	Full-screen OLED; 20:9 aspect ratio; central hole-punch camera	E3 AMOLED; current global parameter sheet lists 2,404 × 1,080 pixels, whereas the reviews list 2,400 × 1,080
Pixel density
Pixel density	429 ppi	–
Brightness detail
Brightness detail	Up to 998 nits on an APL18 pattern measured by Notebookcheck; maker does not publish a peak brightness figure	500 nits typical, 800 nits HBM
Always-on display
Always-on display	At a Glance and Now Playing	Always-on display, TechAdvisor
Screen protection
Screen protection	Corning Gorilla Glass 3; fingerprint-resistant coating	–
Display features
Display features	HDR support; more than 1,000,000:1 contrast ratio; 24-bit colour	HDR10+, 6,000,000:1 contrast; 60 Hz default with Smart Switch, 60 Hz and 90 Hz settings; some applications remain at 60 Hz
Performance
Chip
Chip	Google Tensor	MediaTek Dimensity 800U
Memory
Memory	6 GB	8 GB (better)
Storage
Storage	128 GB	128 GB, 256 GB (better)
CPU
CPU	Google Tensor; 5 nm process reported by Notebookcheck; Titan M2 security coprocessor	7 nm octa-core processor, up to 2.4 GHz
GPU
GPU	ARM Mali-G78 MP20 (Notebookcheck)	–
Storage type
Storage type	128 GB UFS 3.1; 6 GB LPDDR5 RAM; no microSD slot	UFS 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 TechRadar
Cameras
Main camera
Main camera	12.2 MP	64 MP (better)
Ultra wide camera
Ultra wide camera	12 MP	8 MP
Telephoto camera
Telephoto camera	None	None
Optical zoom
Optical zoom	None	None
Front camera
Front camera	8 MP	44 MP (better)
Main camera
Main camera	Dual-pixel autofocus; f/1.7; 1.4 μm pixels; 77° field of view; 1/2.55-inch sensor; optical and electronic image stabilisation	Autofocus, f/1.79, four-axis OIS
Ultra wide camera
Ultra wide camera	f/2.2; 1.25 μm pixels; 114° field of view; lens correction; maximum resolution and field of view require RAW capture	f/2.2, 120° lens angle or 108° after distortion correction
Front camera
Front camera	f/2.0; 1.22 μm pixels; fixed focus; 84° field of view	Autofocus, f/2.0, OIS and dual Selfie Spotlight lights; 44 MP output in 16:11 mode only
Zoom
Zoom	Super Res Zoom up to 7x; no optical telephoto camera	–
Video recording
Video recording	Rear 4K at 30/60 fps; 1080p at 30/60 fps; slow motion up to 240 fps; stabilised 4K and astrophotography timelapse; Cinematic Pan; optical and electronic stabilisation; digital video zoom up to 5x; HEVC/H.264	Rear 4K at 30 fps and 1080p at 60 fps, TechAdvisor; maker says OIS and EIS are unavailable in 4K at 30 fps
Front video
Front video	1080p at 30 fps	4K at 30 fps without OIS or EIS; Ultra Stable Selfie Video
Camera features
Camera features	Magic Eraser; Real Tone; Night Sight; Face Unblur; fast camera launcher; stereo recording, speech enhancement and wind noise reduction	2 MP f/2.4 macro camera with 4 cm focus distance; eye autofocus, night portrait, dual-view video, double exposure and multi-style portrait
Battery and charging
Battery
Battery	4,410 mAh (better)	4,000 mAh
Wired charging
Wired charging	Up to 18 W	Up to 33 W (better)
Wireless charging
Wireless charging	None	None
Battery life detail
Battery life detail	Typical 4,410 mAh, minimum 4,306 mAh; maker claims over 24 hours mixed use or up to 72 hours with Extreme Battery Saver. Google's July 2025 update reduces capacity and charging performance on affected units after 400 charge cycles; not all units are affected.	Typical capacity
Wired charging
Wired charging	Up to 18 W with compatible USB-PD 3.0 PPS adaptor; adaptor sold separately; affected units have reduced charging performance after Google's battery management update	11 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 varies
Wireless charging
Wireless charging	–	No wireless charging, TechAdvisor
Design
Type
Type	Standard	Standard
Weight
Weight	178 g	176 g (better)
Thickness
Thickness	8.9 mm	7.29 mm (better)
Height × width
Height × width	152.2 × 71.8 mm	159.68 × 73.9 mm
Water and dust resistance
Water and dust resistance	IP67	–
Materials
Materials	Thermoformed composite back with tactile alloy frame	AG matte glass back and flat frame; maker glass description differs from TechAdvisor's plastic-back description
Colours
Colours	Chalk, Charcoal, Sage; availability varies by region and channel	Dusk 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 Dazzle
Buttons
Buttons	Power button and volume controls	–
Water resistance detail
Water resistance detail	IP67; resistance can diminish with wear, repair or damage; accessories are not water resistant	–
Biometrics
Biometrics	Under-display fingerprint sensor	In-display fingerprint scanning
Sensors
Sensors	Proximity; ambient light; accelerometer; gyrometer; magnetometer; barometer	Accelerometer, ambient light sensor, e-compass, proximity sensor and gyroscope
Speakers
Speakers	Stereo speakers	Single speaker, TechAdvisor
Microphones
Microphones	Two microphones with noise suppression	–
Software
Operating system
Operating system	Android	Android
Software at launch
Software at launch	Android 12	Funtouch OS 11.1; Android 11 identified by both reviews
Software updates
Software updates	Five years of OS and security updates from first US Google Store availability; may include Pixel Drops	–
AI features
AI features	Live Translate; Recorder; Live Caption; Google Assistant; feature and language availability varies	–
In the box
In the box	USB-C to USB-C cable (1 m, USB 2.0); Quick Switch adaptor; SIM tool; quick start guide; no power adaptor	Phone, headset, documentation, USB-C cable, power adapter, earphone jack adapter, SIM eject tool, case and applied protective film; accessories vary by region
Connectivity
Mobile network
Mobile network	UK G1AZG supports sub-6 GHz 5G and LTE; US Verizon GB62Z adds mmWave; network and operator dependent	Global 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
SIM
SIM	Dual SIM with one nano-SIM and eSIM; operator dependent	Hybrid slot for one nano-SIM plus a second nano-SIM or microSD card; dual standby; 5G + 5G dual SIM on NSA networks only
Wi-Fi
Wi-Fi	Wi-Fi 6 and 6E; 2.4/5/6 GHz; HE160; 2x2 MIMO; 6E not enabled in Taiwan, Japan or Singapore	2.4 GHz and 5 GHz; Wi-Fi 5 identified by TechAdvisor
Bluetooth
Bluetooth	Bluetooth 5.2 with dual antennas	Bluetooth 5.1
NFC
NFC	NFC; Google Cast	Supported in Europe, Saudi Arabia, UAE, South Africa, Hong Kong, Taiwan and Singapore; NFC-eSE in Indonesia; other regions not confirmed by global sheet
USB
USB	USB-C 3.1 Gen 1; included cable runs at USB 2.0; no 3.5 mm audio jack	USB-C with OTG; no 3.5 mm headphone socket, TechAdvisor
Positioning
Positioning	GPS, GLONASS, Galileo, QZSS and BeiDou in the UK; US omits BeiDou	GPS, BeiDou, Galileo and GLONASS