Product comparison · 2 laptops

ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop vs ASUS Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop

96specifications compared
41differ
55identical
49known for one product only

Key differences

The ASUS Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop has 55% more colour gamut than the ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop (100% vs 45%). The ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop has 10 more processor cores than the ASUS Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop (16 vs 6). The ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop has 4 more processor threads than the ASUS Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop (16 vs 12). Only the ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop has AC adapter included. Product colour: Grey on the ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop, Blue on the ASUS Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop.

Product colour
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Grey
- Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop:Blue
Colour name
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Gentle Grey
- Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop:Arctic Blue
Display back cover material
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Aluminium
- Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop:Ceraluminum
Housing material
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Plastic
- Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop:Aluminium
Market positioning
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Work
- Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop:Home
Panel type
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:IPS-Level
- Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop:OLED
Colour gamut
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:45%
- Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop:100%
RGB colour space
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:NTSC
- Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop:DCI-P3

Side by side

Differences highlightedShow differences only

Comparison of B3405CCA-LY4088X, UX3480KA-A72AOHDAB01
145 specifications	A ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop Model B3405CCA-LY4088X View product	B ASUS Zenbook 14 UX3480KA-A72AOHDAB01 Copilot+ PC AMD Ryzen™ AI 7 345 Laptop Model UX3480KA-A72AOHDAB01 View product
Design5 differ
Product type	Laptop	Laptop
Product colourDiffers	Grey	Blue
Colour nameDiffers	Gentle Grey	Arctic Blue
Form factor	Clamshell	Clamshell
Display back cover materialDiffers	Aluminium	Ceraluminum
Housing materialDiffers	Plastic	Aluminium
Market positioningDiffers	Work	Home
Introduction year	2026	2026
Display3 differ
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolution	1920 x 1200 pixels	1920 x 1200 pixels
Touchscreen	No	No
HD type	WUXGA	WUXGA
Panel typeDiffers	IPS-Level	OLED
LED backlight	Yes	Yes
Native aspect ratio	16:10	16:10
Anti-glare screenKnown for one	Yes	Unknown — not stated by the source
Display brightness	300 cd/m²	300 cd/m²
Colour gamutDiffers	45%	100%
RGB colour spaceDiffers	NTSC	DCI-P3
Maximum refresh rate	60 Hz	60 Hz
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor7 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel Core Ultra 7	AMD Ryzen™ AI 7
Processor generationDiffers	Intel Core Ultra (Series 2)	AMD Ryzen AI 300 Series
Processor modelDiffers	255H	345
Processor coresDiffers	16	6
Processor threadsDiffers	16	12
Processor boost frequencyDiffers	5.1 GHz	4.6 GHz
Performance coresKnown for one	6	Unknown — not stated by the source
Efficient coresKnown for one	8	Unknown — not stated by the source
Low Power Efficient-coresKnown for one	2	Unknown — not stated by the source
Performance-core Max Turbo FrequencyKnown for one	5.1 GHz	Unknown — not stated by the source
Efficient-core Max Turbo FrequencyKnown for one	4.4 GHz	Unknown — not stated by the source
Low Power Efficient-core Max Turbo FrequencyKnown for one	2.5 GHz	Unknown — not stated by the source
Performance-core base frequencyKnown for one	2 GHz	Unknown — not stated by the source
Efficient-core base frequencyKnown for one	1.5 GHz	Unknown — not stated by the source
Low Power Efficient-core Base FrequencyKnown for one	700 MHz	Unknown — not stated by the source
Processor cacheKnown for one	24 MB	Unknown — not stated by the source
Maximum turbo powerKnown for one	115 W	Unknown — not stated by the source
Processor base powerKnown for one	28 W	Unknown — not stated by the source
Processor frequencyKnown for one	Unknown — not stated by the source	2 GHz
Processor cache typeKnown for one	Unknown — not stated by the source	L2 & L3
L3 cacheKnown for one	Unknown — not stated by the source	8 MB
L2 cacheKnown for one	Unknown — not stated by the source	6 MB
Neural processor unit (NPU)3 differ
Neural processor unit (NPU)Differs	Intel AI Boost	AMD Ryzen AI
Sparsity supportKnown for one	Yes	Unknown — not stated by the source
Windows Studio effects supportKnown for one	Yes	Unknown — not stated by the source
AI software frameworks supported by NPUKnown for one	DirectML, OpenVINO, Windows ML, ONNX RT, WebNN	Unknown — not stated by the source
Total processor performance up toDiffers	96 TOPs	59 TOPs
NPU performance up toDiffers	13 TOPs	50 TOPs
GPU performance up toKnown for one	74 TOPs	Unknown — not stated by the source
Copilot+ PCKnown for one	Unknown — not stated by the source	Yes
Memory4 differ
Internal memoryDiffers	32 GB	24 GB
Internal memory typeDiffers	DDR5-SDRAM	LPDDR5x-SDRAM
Memory form factorDiffers	SO-DIMM	On-board
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	64 GB	24 GB
Storageidentical
Total storage capacity	512 GB	512 GB
Storage media	SSD	SSD
Total SSDs capacity	512 GB	512 GB
Number of SSDs installed	1	1
SSD capacity	512 GB	512 GB
NVMe	Yes	Yes
SSD interface	PCI Express 4.0	PCI Express 4.0
M.2 SSD size	2280 (22 x 80 mm)	2280 (22 x 80 mm)
SSD form factor	M.2	M.2
Optical drive type	No	No
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MicroSD (TransFlash)	Unknown — not stated by the source
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board GPU manufacturerDiffers	Intel	AMD
On-board graphics card familyDiffers	Intel Arc Graphics	AMD Radeon
On-board graphics card modelDiffers	Intel Arc 140T	AMD Radeon 840M
On-board graphics card 4K supportKnown for one	Unknown — not stated by the source	Yes
On-board graphics card 8K supportKnown for one	Unknown — not stated by the source	Yes
AMD FreeSyncKnown for one	Unknown — not stated by the source	Yes
Audioidentical
Built-in microphone	Yes	Yes
Audio systemKnown for one	Unknown — not stated by the source	Smart Amp
Cameraidentical
Front camera	Yes	Yes
Front camera HD type	Full HD	Full HD
Front camera resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Privacy cameraKnown for one	Yes	Unknown — not stated by the source
Privacy typeKnown for one	Privacy shutter	Unknown — not stated by the source
Infrared (IR) cameraKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Mobile network connection	No	No
Top Wi-Fi standard	Wi-Fi 6E (802.11ax)	Wi-Fi 6E (802.11ax)
Wi-Fi standards	Wi-Fi 6E (802.11ax)	Wi-Fi 6E (802.11ax)
Antenna type	2x2	2x2
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	1000 Mbit/s	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth version	5.4	5.4
Ports & interfaces2 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers	2	1
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
HDMI ports quantity	1	1
HDMI version	2.1	2.1
Combo headphone/mic port	Yes	Yes
USB Type-C DisplayPort Alternate Mode	Yes	Yes
USB4 Gen 3x2 ports quantityKnown for one	Unknown — not stated by the source	1
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard backlit	Yes	Yes
Numeric keypad	No	No
Keyboard layout	QWERTY	QWERTY
Keyboard language	Portuguese	Portuguese
Software2 differ
Operating system installedDiffers	Windows 11 Pro	Windows 11 Home
Operating system architecture	64-bit	64-bit
Trial softwareDiffers	1-month trial for new Microsoft 365 customers. Credit card required. McAfee® 30 days free trial	1-month trial for new Microsoft 365 customers. Credit card required.
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	3	3
Battery capacityDiffers	63 Wh	50 Wh
Power2 differ
AC adapter powerDiffers	65 W	68 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentDiffers	3.25 A	3.4 A
AC adapter output voltage	20 V	20 V
USB Type-C charging port	Yes	Yes
USB Power Delivery (USB PD)	Yes	Yes
Security1 differ
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Smart card readerKnown for one	Yes	Unknown — not stated by the source
Trusted Platform Module (TPM)	Yes	Yes
Trusted Platform Module (TPM) versionKnown for one	2.0	Unknown — not stated by the source
Password protection	Yes	Yes
Password protection typeDiffers	BIOS, User, HDD	BIOS, User
Windows HelloKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificates	REACH, RoHS	REACH, RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Climate +, EPEAT Gold, ENERGY STAR, Forest Stewardship Council (FSC) Recycled, TCO	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	1.57 kg	1.1 kg
WidthDiffers	315.1 mm	311.2 mm
DepthDiffers	226.8 mm	215.8 mm
Height (front)Known for one	1.05 cm	Unknown — not stated by the source
Height (rear)Known for one	1.9 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	13.9 mm
Packaging data4 differ
Package widthDiffers	429 mm	410 mm
Package depthDiffers	65 mm	87 mm
Package heightDiffers	270 mm	284 mm
Package weightDiffers	2.6 kg	3.84 kg
Packaging content1 differ
AC adapter includedDiffers	Yes	No
Bag includedKnown for one	Unknown — not stated by the source	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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