Google Pixel 6a vs Xiaomi Redmi Note 9S

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Pixel 6a compared with Redmi Note 9S

	GooglePixel 6a	XiaomiRedmi Note 9S
Overview
Released
Released	July 2022	March 2020
Display
Screen size
Screen size	6.1″	6.67″
Resolution
Resolution	2400 × 1080	2400 × 1080
Sharpness
Sharpness	431 pixels per inch (better)	395 pixels per inch
Panel
Panel	OLED	LCD
Refresh rate
Refresh rate	60 Hz	60 Hz
Display type
Display type	Full-screen OLED; 20:9 aspect ratio; central hole-punch camera	IPS LCD and 60 Hz refresh identified by Tech Advisor; DotDisplay, 1,500:1 typical contrast and 84% NTSC typical
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	–
Always-on display
Always-on display	At a Glance and Now Playing	–
Screen protection
Screen protection	Corning Gorilla Glass 3; fingerprint-resistant coating	Corning Gorilla Glass 5 front and back
Display features
Display features	HDR support; more than 1,000,000:1 contrast ratio; 24-bit colour	TÜV Rheinland low blue light certification and Reading mode 2.0
Performance
Chip
Chip	Google Tensor	Qualcomm Snapdragon 720G
Memory
Memory	6 GB	4 GB – 6 GB
Storage
Storage	128 GB	64 GB, 128 GB
CPU
CPU	Google Tensor; 5 nm process reported by Notebookcheck; Titan M2 security coprocessor	Octa-core Snapdragon 720G at up to 2.3 GHz; 8 nm process and Qualcomm fifth-generation AI engine
GPU
GPU	ARM Mali-G78 MP20 (Notebookcheck)	Adreno 618
Storage type
Storage type	128 GB UFS 3.1; 6 GB LPDDR5 RAM; no microSD slot	UK configurations of 4/64 GB and 6/128 GB; dedicated microSD expansion up to 512 GB
Cameras
Main camera
Main camera	12.2 MP	48 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	16 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	48 MP, f/1.79, 1/2-inch sensor, 79° field of view, six-element lens and autofocus; 0.8 µm pixels or 4-in-1 binning to 1.6 µm; up to 8,000 × 6,000 photos
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	8 MP, f/2.2 and 1.12 µm pixels; 119° field of view before distortion correction and 108° after correction
Front camera
Front camera	f/2.0; 1.22 μm pixels; fixed focus; 84° field of view	16 MP, f/2.48 and 1.0 µm pixels; panorama selfie, palm shutter, HDR, face recognition, AI beauty, portrait and scene detection
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	4K at 30 fps, Full HD at 30/60 fps and HD at 30 fps; Full HD slow motion at 120 fps or HD at 120/240/960 fps; ultrawide and macro recording, short video and cinematic 4K
Front video
Front video	1080p at 30 fps	120 fps slow-motion selfies
Camera features
Camera features	Magic Eraser; Real Tone; Night Sight; Face Unblur; fast camera launcher; stereo recording, speech enhancement and wind noise reduction	Additional 5 MP macro with f/2.4, 1.12 µm pixels and autofocus at 2–10 cm; 2 MP depth sensor with f/2.4 and 1.75 µm pixels; night, document, cinematic portrait, 48 MP, Pro, panorama, burst, HDR, timer, levelling, watermark and kaleidoscope modes; 27 rear AI scene tags
Battery and charging
Battery
Battery	4,410 mAh	5,020 mAh (better)
Wired charging
Wired charging	Up to 18 W	Up to 18 W
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.	5,020 mAh typical non-removable lithium-ion polymer battery; maker laboratory claims of 147 hours music, 33 hours calling, 16 hours navigation or 13 hours gaming
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	Phone supports 18 W wired charging; included adaptor is rated at 22.5 W
Design
Type
Type	Standard	Standard
Weight
Weight	178 g (better)	209 g
Thickness
Thickness	8.9 mm	8.8 mm (better)
Height × width
Height × width	152.2 × 71.8 mm	165.75 × 76.68 mm
Water and dust resistance
Water and dust resistance	IP67	–
Materials
Materials	Thermoformed composite back with tactile alloy frame	3D curved glass back; plastic frame, as described by Tech Advisor
Colours
Colours	Chalk, Charcoal, Sage; availability varies by region and channel	Interstellar Grey, Aurora Blue and Glacier White
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	Splash-proof nano-coating; no published IP rating
Biometrics
Biometrics	Under-display fingerprint sensor	Side fingerprint reader combined with the power button; AI face unlock
Sensors
Sensors	Proximity; ambient light; accelerometer; gyrometer; magnetometer; barometer	Z-axis linear vibration motor, fingerprint, distance, in-screen ambient light, accelerometer, gyroscope, compass and IR blaster
Speakers
Speakers	Stereo speakers	1216 ultra-linear speaker with 0.5 mm maximum amplitude and 10 V Smart PA; 3.5 mm headphone socket
Microphones
Microphones	Two microphones with noise suppression	–
Software
Operating system
Operating system	Android	Android
Software at launch
Software at launch	Android 12	Android 10 with MIUI 11, as reported 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, power adaptor, protective cover, USB-C cable, SIM tool, user guide and warranty card
Connectivity
Mobile network
Mobile network	UK G1AZG supports sub-6 GHz 5G and LTE; US Verizon GB62Z adds mmWave; network and operator dependent	Dual SIM VoLTE, subject to local operator support; LTE FDD B1/B2/B3/B4/B5/B7/B8/B20/B28 and TDD B38/B40; WCDMA B1/B2/B4/B5/B8 and GSM B2/B3/B5/B8
SIM
SIM	Dual SIM with one nano-SIM and eSIM; operator dependent	Two nano-SIM slots plus a separate microSD slot
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	Wi-Fi 802.11 a/b/g/n/ac, 2.4/5 GHz and Wi-Fi Direct
Bluetooth
Bluetooth	Bluetooth 5.2 with dual antennas	Bluetooth 5.0
NFC
NFC	NFC; Google Cast	No NFC, as confirmed by both reviews
USB
USB	USB-C 3.1 Gen 1; included cable runs at USB 2.0; no 3.5 mm audio jack	USB-C; USB 2.0 controller identified by Notebookcheck
Positioning
Positioning	GPS, GLONASS, Galileo, QZSS and BeiDou in the UK; US omits BeiDou	GPS, A-GPS, GLONASS and BeiDou