Google Pixel 10a vs Google Pixel 4

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

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Pixel 10a compared with Pixel 4

	GooglePixel 10a	GooglePixel 4
Overview
Released
Released	March 2026	October 2019
Display
Screen size
Screen size	6.3″	5.7″
Resolution
Resolution	2424 × 1080 (better)	2280 × 1080
Sharpness
Sharpness	421 pixels per inch	443 pixels per inch (better)
Panel
Panel	OLED	OLED
Refresh rate
Refresh rate	120 Hz (better)	90 Hz
Peak brightness
Peak brightness	3,000 nits	–
Display type
Display type	Actua display; pOLED	Flexible OLED; 19:9 aspect ratio; 2,280 × 1,080 resolution confirmed by Notebookcheck
Pixel density
Pixel density	422.2 ppi	444 ppi
Always-on display
Always-on display	–	Always-on display; Now Playing
Brightness detail
Brightness detail	Up to 2,000 nits HDR (100% on-pixel ratio); up to 3,000 nits peak (5% on-pixel ratio)	–
Screen protection
Screen protection	Corning Gorilla Glass 7i	Corning Gorilla Glass 5
Display features
Display features	Smooth Display (60–120 Hz); 20:9 aspect ratio; HDR support; over 2,000,000:1 contrast ratio; 24-bit colour (16 million colours)	Ambient EQ; Smooth Display up to 90 Hz depending on content; UHDA-certified HDR; 100,000:1 contrast ratio; 24-bit colour; true black
Performance
Chip
Chip	Tensor G4	Qualcomm Snapdragon 855
Memory
Memory	8 GB (better)	6 GB
Storage
Storage	128 GB, 256 GB (better)	64 GB, 128 GB
CPU
CPU	–	64-bit octa-core CPU; maker lists 2.84 GHz + 1.78 GHz; Titan M security module
GPU
GPU	–	Adreno 640
Storage type
Storage type	–	6 GB LPDDR4x RAM; UFS 2.1 storage identified by Notebookcheck; no microSD slot
Cameras
Main camera
Main camera	48 MP (better)	12.2 MP
Ultra wide camera
Ultra wide camera	13 MP	None
Telephoto camera
Telephoto camera	None	16 MP
Optical zoom
Optical zoom	None	2× (better)
Front camera
Front camera	13 MP (better)	8 MP
Main camera
Main camera	48 MP Quad PD dual pixel wide, ƒ/1.7, 82° field of view, 1/2″ sensor, optical and electronic image stabilisation	Dual-pixel phase-detection autofocus; f/1.7; 1.4 μm pixels; 77° field of view; optical and electronic image stabilisation
Telephoto camera
Telephoto camera	–	Phase-detection autofocus; f/2.4; 1.0 μm pixels; 52° field of view; optical and electronic image stabilisation; 2× optical zoom identified by Notebookcheck
Ultra wide camera
Ultra wide camera	13 MP, ƒ/2.2, 120° field of view, 1/3.1″ sensor	–
Front camera
Front camera	13 MP, ƒ/2.2, 96.1° field of view	f/2.0; 1.22 μm pixels; fixed focus; 90° field of view
Zoom
Zoom	Super Zoom up to 8×; optical quality at 0.5× and 1×	–
Video recording
Video recording	4K at 30/60 fps; 1080p at 30/60 fps; digital zoom up to 5×; slow motion up to 240 fps; Cinematic Pan; Macro Focus Video; HEVC and AVC	Rear 4K at 30 fps; 1080p at 30/60/120 fps; 720p at 240 fps
Front video
Front video	4K at 30 fps	1080p at 30 fps
Camera features
Camera features	Camera Coach, Add Me, Macro Focus, Night Sight, Astrophotography, Portrait mode, Face Unblur, Long Exposure, Real Tone, Panorama, Auto Best Take, Frequent Faces, Top Shot	Night Sight with astrophotography; Live HDR+; dual exposure controls; Super Res Zoom
Battery and charging
Battery
Battery	5,100 mAh (better)	2,800 mAh
Wired charging
Wired charging	Up to 30 W (better)	Up to 18 W
Wireless charging
Wireless charging	Up to 10 W	Yes (wattage not published)
Battery life detail
Battery life detail	30+ hours; up to 120 hours with Extreme Battery Saver; minimum capacity 5,000 mAh	2,800 mAh; actual endurance varies with use
Wired charging
Wired charging	Up to 50% in about 30 minutes with a 45 W USB-C PPS charger or higher (sold separately); Google's charger label gives USB PD from 7.5 W to 30 W	Up to 18 W using supplied USB-C adaptor; USB-PD 2.0; actual rates may vary
Wireless charging
Wireless charging	Qi-certified, up to 10 W with Qi EPP chargers; no Qi2 magnets	Qi-certified wireless charging; maker hardware sheet does not specify wattage
Charges other devices
Charges other devices	Not supported (no Battery Share)	–
Connectivity
Satellite messaging
Satellite messaging	Yes	–
Mobile network
Mobile network	5G (sub-6 GHz) and 4G LTE; UK model G4H7L	LTE Cat 18 download up to 1.2 Gbps and Cat 13 upload up to 150 Mbps; up to five-carrier aggregation, LAA and 4x4 downlink MIMO; no 5G
SIM
SIM	Nano-SIM and eSIM	One nano-SIM and eSIM; eSIM enabled in selected markets including the UK; operator dependent
Wi-Fi
Wi-Fi	Wi-Fi 6E, 2.4, 5 and 6 GHz, 2x2 MIMO	Dual-band 2.4/5 GHz 802.11a/b/g/n/ac; 2x2 MIMO
Bluetooth
Bluetooth	Bluetooth 6 with antenna diversity	Bluetooth 5.0 + LE; aptX, aptX HD and LDAC
NFC
NFC	Yes	NFC; Google Cast; FeliCa on Japanese models
Satellite features
Satellite features	Satellite SOS in the UK and US, free for the first two years after activation	–
USB
USB	USB Type-C 3.2	USB-C 3.1 Gen 1; supplied cable runs at USB 2.0; no 3.5 mm headphone jack
Positioning
Positioning	GPS, GLONASS, Galileo, BeiDou, QZSS	Maker specifies dual-band GNSS (L1 + L5 and E1 + E5a), GPS, GLONASS and Galileo, plus BeiDou outside the US; Notebookcheck's review reported no dual-band support
Design
Type
Type	Standard	Standard
Weight
Weight	183 g	162 g (better)
Thickness
Thickness	9 mm	8.2 mm (better)
Height × width
Height × width	153.9 × 73 mm	147.1 × 68.8 mm
Water and dust resistance
Water and dust resistance	IP68	IP68
Stylus
Stylus	No	–
Materials
Materials	Composite matte back (at least 81% recycled plastic); satin aluminium frame (100% recycled aluminium)	Aluminium frame with matte hybrid coating; Gorilla Glass 5 front and back; soft-touch or polished rear finish
Colours
Colours	Lavender, Berry, Fog, Obsidian	Just Black, Clearly White, limited-edition Oh So Orange
Buttons
Buttons	Power button; volume buttons	Power button and volume controls; Active Edge squeeze gesture
Water resistance detail
Water resistance detail	IP68 under IEC 60529	Maker lists IP68 dust and water protection; footnote refers to IPx8 water protection; charger and accessories are not water resistant; protection can diminish with wear, repair or damage
Biometrics
Biometrics	Fingerprint Unlock; Face Unlock	Face unlock using near-infrared flood emitter, dot projector and two NIR cameras; no fingerprint sensor
Sensors
Sensors	Proximity, ambient light, accelerometer, gyrometer, magnetometer, barometer	Proximity and ambient light; accelerometer; gyrometer; magnetometer; barometer; Android Sensor Hub; spectral and flicker sensor; Motion Sense radar
Speakers
Speakers	Stereo speakers	Stereo speakers
Microphones
Microphones	Two microphones with noise suppression	Three microphones with noise suppression
Software
Operating system
Operating system	Android	Android
Software at launch
Software at launch	Android 16	Android 10
Software updates
Software updates	Seven years of OS, security and Pixel Drop updates (counted from first US availability)	No longer receives Android version or security updates according to Google's current support policy; original promise was at least three years
AI features
AI features	Gemini Nano, Gemini, Gemini Live, Circle to Search, Live Translate, Call Assist	Pixel Neural Core for on-device processing; Recorder with on-device English transcription and search at launch; Google Assistant; Motion Sense skips songs and silences alarms, timers and calls, with regional restrictions
Safety features
Safety features	Satellite SOS, Emergency SOS, Car Crash Detection, crisis alerts, Safety Check, earthquake alerts, theft protection	Personal Safety app; car crash detection initially available in English in the US
In the box
In the box	Pixel 10a, 1 m USB-C to USB-C cable (USB 2.0), SIM tool	UK package includes 18 W USB-C power adaptor, USB-C to USB-C cable (1 m, USB 2.0), Quick Switch adaptor, SIM tool and quick start guide; USB-C earbuds included only in certain other regions