Product comparison · 2 laptops

ASUS ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop vs ASUS Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop

93specifications compared
36differ
57identical
49known for one product only

Key differences

The ASUS ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop has 8 more processor cores than the ASUS Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop (16 vs 8). The ASUS ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop has 8 more processor threads than the ASUS Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop (16 vs 8). The ASUS ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop has 2.13 GHz more processor boost frequency than the ASUS Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop (5.1 GHz vs 2.97 GHz). Only the ASUS ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop has Ethernet LAN. Product colour: Grey on the ASUS ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop, Blue on the ASUS Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop.

Product colour
- ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop:Grey
- Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop:Blue
Colour name
- ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop:Gentle Grey
- Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop:Light Blue
Housing material
- ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop:Plastic
- Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop:Aluminium
Market positioning
- ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop:Work
- Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop:Home
Processor manufacturer
- ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop:Intel
- Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop:Qualcomm
Processor family
- ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop:Intel Core Ultra 7
- Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop:Snapdragon
Processor generation
- ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop:Intel Core Ultra (Series 2)
- Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop:Snapdragon X
Processor model
- ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop:255H
- Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop:X1-26-101

Side by side

Differences highlightedShow differences only

Comparison of B3405CCA-U72EHDCP01, S5408QAB-TM428W
142 specifications	A ASUS ExpertBook B3 B3405CCA-U72EHDCP01 Intel Core Ultra 7 255H Laptop Model B3405CCA-U72EHDCP01 View product	B ASUS Vivobook S14 S5408QAB-TM428W Copilot+ PC Snapdragon X1-26-101 Laptop Model S5408QAB-TM428W View product
Design4 differ
Product type	Laptop	Laptop
Product colourDiffers	Grey	Blue
Colour nameDiffers	Gentle Grey	Light Blue
Form factor	Clamshell	Clamshell
Display back cover material	Aluminium	Aluminium
Housing materialDiffers	Plastic	Aluminium
Market positioningDiffers	Work	Home
Introduction year	2026	2026
Displayidentical
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 type	IPS-Level	IPS-Level
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:10	16:10
Anti-glare screen	Yes	Yes
Display brightness	300 cd/m²	300 cd/m²
Colour gamut	45%	45%
RGB colour space	NTSC	NTSC
Maximum refresh rate	60 Hz	60 Hz
Processor8 differ
Processor manufacturerDiffers	Intel	Qualcomm
Processor familyDiffers	Intel Core Ultra 7	Snapdragon
Processor generationDiffers	Intel Core Ultra (Series 2)	Snapdragon X
Processor modelDiffers	255H	X1-26-101
Processor coresDiffers	16	8
Processor threadsDiffers	16	8
Processor boost frequencyDiffers	5.1 GHz	2.97 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 cacheDiffers	24 MB	30 MB
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 socketKnown for one	Unknown — not stated by the source	BGA 2833
Neural processor unit (NPU)2 differ
Neural processor unit (NPU)Differs	Intel AI Boost	Qualcomm Hexagon
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 toKnown for one	96 TOPs	Unknown — not stated by the source
NPU performance up toDiffers	13 TOPs	45 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
Memory5 differ
Internal memoryDiffers	16 GB	8 GB
Internal memory typeDiffers	DDR5-SDRAM	LPDDR5x-SDRAM
Memory form factorDiffers	SO-DIMM	On-board
Memory slotsDiffers	2x SO-DIMM	Not available
Maximum internal memoryDiffers	64 GB	8 GB
Storage4 differ
Total storage capacityDiffers	512 GB	256 GB
Storage media	SSD	SSD
Total SSDs capacityDiffers	512 GB	256 GB
Number of SSDs installed	1	1
SSD capacityDiffers	512 GB	256 GB
NVMe	Yes	Yes
SSD interfaceDiffers	PCI Express 4.0	PCI Express
M.2 SSD sizeKnown for one	2280 (22 x 80 mm)	Unknown — not stated by the source
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	Qualcomm Adreno
On-board graphics card modelDiffers	Intel Arc 140T	Qualcomm Adreno GPU
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 resolution	1920 x 1080 pixels	1920 x 1080 pixels
Infrared (IR) camera	Yes	Yes
Privacy cameraKnown for one	Yes	Unknown — not stated by the source
Privacy typeKnown for one	Privacy shutter	Unknown — not stated by the source
Network2 differ
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 LANDiffers	Yes	No
Ethernet LAN data ratesKnown for one	1000 Mbit/s	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth versionDiffers	5.4	5.3
Ports & interfacesidentical
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
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 quantity	2	2
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
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypad	No	No
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Keyboard languageKnown for one	Portuguese	Unknown — not stated by the source
Copilot keyKnown for one	Unknown — not stated by the source	Yes
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
Microsoft CopilotKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	3-Month Google AI Pro Subscription 3-Month GoPro Premium+ Subscription 1-Month Membership of Adobe Creative Cloud All Apps, Individual. The redemption duration from September 15, 2021 to August 31, 2028. 3-Month Goodnotes Essential Subscription 6-Month Dropbox 500GB Subscription 1-Year ASUS Secure A
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	3	3
Battery capacity	50 Wh	50 Wh
Removable batteryKnown for one	Unknown — not stated by the source	No
Poweridentical
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
USB Type-C charging port	Yes	Yes
USB Power Delivery (USB PD)	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	68 W
AC adapter output currentKnown for one	Unknown — not stated by the source	3.4 A
AC adapter output voltageKnown for one	Unknown — not stated by the source	20 V
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
Windows Hello	Yes	Yes
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
Face recognitionKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificates	REACH, RoHS	REACH, RoHS
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Climate +, EPEAT Gold, ENERGY STAR, Forest Stewardship Council (FSC) Recycled, TCO	ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	1.53 kg	1.28 kg
WidthDiffers	315.1 mm	311.6 mm
DepthDiffers	226.8 mm	221.9 mm
Height (front)Differs	1.05 cm	1.49 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	3.75 kg	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	No	No

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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