Product comparison · 2 laptops

ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop vs ASUS Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop

109specifications compared
47differ
62identical
41known for one product only

Key differences

The ASUS Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 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 8 more processor cores than the ASUS Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop (16 vs 8). The ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop has 8 more processor threads than the ASUS Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop (16 vs 8). 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 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop.

Product colour
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Grey
- Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop:Blue
Colour name
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Gentle Grey
- Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop:Arctic Blue
Display back cover material
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Aluminium
- Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop:Ceraluminum
Housing material
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Plastic
- Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop:Aluminium
Market positioning
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Work
- Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop:Home
Panel type
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:IPS-Level
- Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop:OLED
Colour gamut
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:45%
- Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop:100%
RGB colour space
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:NTSC
- Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop:DCI-P3

Side by side

Differences highlightedShow differences only

Comparison of B3405CCA-LY4088X, UX3480AA-U1691W
150 specifications	A ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop Model B3405CCA-LY4088X View product	B ASUS Zenbook 14 UX3480AA-U1691W Intel Core Ultra 7 355 Laptop Model UX3480AA-U1691W 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 yearKnown for one	2026	Unknown — not stated by the source
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 number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
Low Blue Light technologyKnown for one	Unknown — not stated by the source	Yes
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000000:1
Processor16 differ
Processor manufacturer	Intel	Intel
Processor family	Intel Core Ultra 7	Intel Core Ultra 7
Processor generationDiffers	Intel Core Ultra (Series 2)	Intel® Core™ Ultra (Series 3)
Processor modelDiffers	255H	355
Processor coresDiffers	16	8
Processor threadsDiffers	16	8
Processor boost frequencyDiffers	5.1 GHz	4.7 GHz
Performance coresDiffers	6	4
Efficient coresDiffers	8	0
Low Power Efficient-coresDiffers	2	4
Performance-core Max Turbo FrequencyDiffers	5.1 GHz	4.7 GHz
Efficient-core Max Turbo FrequencyKnown for one	4.4 GHz	Unknown — not stated by the source
Low Power Efficient-core Max Turbo FrequencyDiffers	2.5 GHz	3.5 GHz
Performance-core base frequencyDiffers	2 GHz	2.3 GHz
Efficient-core base frequencyDiffers	1.5 GHz	1.7 GHz
Low Power Efficient-core Base FrequencyDiffers	700 MHz	1700 MHz
Processor cacheDiffers	24 MB	12 MB
Maximum turbo powerDiffers	115 W	55 W
Processor base powerDiffers	28 W	25 W
Processor cache typeKnown for one	Unknown — not stated by the source	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	FCBGA2540
Neural processor unit (NPU)3 differ
Neural processor unit (NPU)	Intel AI Boost	Intel AI Boost
Sparsity support	Yes	Yes
Windows Studio effects support	Yes	Yes
AI software frameworks supported by NPUDiffers	DirectML, OpenVINO, Windows ML, ONNX RT, WebNN	ONNX RT, WebNN, Windows ML, OpenVINO
Total processor performance up toKnown for one	96 TOPs	Unknown — not stated by the source
NPU performance up toDiffers	13 TOPs	49 TOPs
GPU performance up toDiffers	74 TOPs	40 TOPs
AI datatype support on NPUKnown for one	Unknown — not stated by the source	Int8
Memory4 differ
Internal memoryDiffers	32 GB	16 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	16 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
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board GPU manufacturer	Intel	Intel
On-board graphics card familyDiffers	Intel Arc Graphics	Intel® Graphics
On-board graphics card modelDiffers	Intel Arc 140T	Intel® Graphics
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
Graphics card Open GL supportKnown for one	Unknown — not stated by the source	Yes
Ray tracing accelerationKnown 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 camera	Yes	Yes
Privacy type	Privacy shutter	Privacy shutter
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
Thunderbolt 4 ports quantityKnown for one	Unknown — not stated by the source	1
Intel® Thunderbolt 4Known for one	Unknown — not stated by the source	Yes
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Keyboard backlit	Yes	Yes
Numeric keypad	No	No
Keyboard layout	QWERTY	QWERTY
Keyboard languageDiffers	Portuguese	Dutch
Software1 differ
Operating system installedDiffers	Windows 11 Pro	Windows 11 Home
Operating system architecture	64-bit	64-bit
Trial software	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. McAfee® 30 days free trial
Bundled softwareKnown for one	Unknown — not stated by the source	3-Month Google AI Pro Subscription3-Month GoPro Premium+ Subscription1-Month Membership of Adobe Creative Cloud All Apps, Individual. The redemption duration from September 15, 2021 to August 31, 2028.3-Month Goodnotes Essential Subscription6-Month Dropbox 500GB Subscription1-Year ASUS Secure Auto-B
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	3	3
Battery capacityDiffers	63 Wh	50 Wh
Removable batteryKnown for one	Unknown — not stated by the source	No
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
USB Type-C required charging power (max)Known for one	Unknown — not stated by the source	68 W
USB Type-C required charging power (min)Known for one	Unknown — not stated by the source	45 W
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 & dimensions5 differ
WeightDiffers	1.57 kg	1.1 kg
WidthDiffers	315.1 mm	311.2 mm
DepthDiffers	226.8 mm	215.8 mm
Height (front)Differs	1.05 cm	1.39 cm
Height (rear)Differs	1.9 cm	1.69 cm
Packaging dataidentical
Package widthKnown for one	429 mm	Unknown — not stated by the source
Package depthKnown for one	65 mm	Unknown — not stated by the source
Package heightKnown for one	270 mm	Unknown — not stated by the source
Package weightKnown for one	2.6 kg	Unknown — not stated by the source
Packaging content1 differ
AC adapter includedDiffers	Yes	No
Performanceidentical
Repairability indexKnown for one	Unknown — not stated by the source	9.3

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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