Product comparison · 2 laptops

ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop vs ASUS Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop

95specifications compared
52differ
43identical
62known for one product only

Key differences

The ASUS Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop has 200 cd/m² more display brightness than the ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop (500 cd/m² vs 300 cd/m²). The ASUS Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop has 55% more colour gamut than the ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop (100% vs 45%). The ASUS Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop has 60 Hz more maximum refresh rate than the ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop (120 Hz vs 60 Hz). Only the ASUS Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop has touchscreen. Only the ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop has Ethernet LAN.

Product colour
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Grey
- Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop:White
Colour name
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Gentle Grey
- Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop:Scandinavian White
Display back cover material
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Aluminium
- Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop:Ceraluminum
Housing material
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Plastic
- Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop:Aluminium
Market positioning
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:Work
- Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop:Home
Display diagonal
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:35.6 cm (14")
- Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop:40.6 cm (16")
Display resolution
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:1920 x 1200 pixels
- Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop:2880 x 1800 pixels
Touchscreen
- ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop:No
- Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop:Yes

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Differences highlightedShow differences only

Comparison of B3405CCA-LY4088X, UM5606GA-SR340W
157 specifications	A ASUS ExpertBook B3 B3405CCA-LY4088X Intel Core Ultra 7 255H Laptop Model B3405CCA-LY4088X View product	B ASUS Zenbook S16 UM5606GA-SR340W Copilot+ PC AMD Ryzen AI 9 465 Laptop Model UM5606GA-SR340W View product
Design5 differ
Product type	Laptop	Laptop
Product colourDiffers	Grey	White
Colour nameDiffers	Gentle Grey	Scandinavian White
Form factor	Clamshell	Clamshell
Display back cover materialDiffers	Aluminium	Ceraluminum
Housing materialDiffers	Plastic	Aluminium
Market positioningDiffers	Work	Home
Introduction year	2026	2026
Stylus pen supportKnown for one	Unknown — not stated by the source	Yes
Display9 differ
Display diagonalDiffers	35.6 cm (14")	40.6 cm (16")
Display resolutionDiffers	1920 x 1200 pixels	2880 x 1800 pixels
TouchscreenDiffers	No	Yes
HD typeDiffers	WUXGA	3K
Panel typeDiffers	IPS-Level	OLED
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:10	16:10
Anti-glare screen	Yes	Yes
Display brightnessDiffers	300 cd/m²	500 cd/m²
Colour gamutDiffers	45%	100%
RGB colour spaceDiffers	NTSC	DCI-P3
Maximum refresh rateDiffers	60 Hz	120 Hz
Display number of coloursKnown for one	Unknown — not stated by the source	1.07 billion colours
Anti-reflective coatingKnown for one	Unknown — not stated by the source	Yes
Maximum display brightness (HDR)Known for one	Unknown — not stated by the source	1100 cd/m²
Low Blue Light technologyKnown for one	Unknown — not stated by the source	Yes
Display response rise/fallKnown for one	Unknown — not stated by the source	0.2 ms
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000000:1
High Dynamic Range (HDR) supportedKnown for one	Unknown — not stated by the source	Yes
High Dynamic Range (HDR) technologyKnown for one	Unknown — not stated by the source	DisplayHDR True Black 1000
Processor7 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel Core Ultra 7	AMD Ryzen AI 9
Processor generationDiffers	Intel Core Ultra (Series 2)	AMD Ryzen AI 400 Series
Processor modelDiffers	255H	465
Processor coresDiffers	16	10
Processor threadsDiffers	16	20
Processor boost frequencyDiffers	5.1 GHz	5 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	24 MB
L2 cacheKnown for one	Unknown — not stated by the source	10 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	73 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 memory	32 GB	32 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	32 GB
Storage4 differ
Total storage capacityDiffers	512 GB	1 TB
Storage media	SSD	SSD
Total SSDs capacityDiffers	512 GB	1 TB
Number of SSDs installed	1	1
SSD capacityDiffers	512 GB	1 TB
NVMe	Yes	Yes
SSD interface	PCI Express 4.0	PCI Express 4.0
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 integrated	Yes	Yes
Compatible memory cardsDiffers	MicroSD (TransFlash)	SD
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 880M
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
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
Network3 differ
Mobile network connection	No	No
Top Wi-Fi standardDiffers	Wi-Fi 6E (802.11ax)	Wi-Fi 7 (802.11be)
Wi-Fi standardsDiffers	Wi-Fi 6E (802.11ax)	Wi-Fi 7 (802.11be)
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 version	5.4	5.4
Ports & interfaces1 differ
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
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 quantityKnown for one	2	Unknown — not stated by the source
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
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	1
USB4 Gen 3x2 ports quantityKnown for one	Unknown — not stated by the source	2
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard backlit	Yes	Yes
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
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	3	4
Battery capacityDiffers	63 Wh	83 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	100 W
USB Type-C required charging power (min)Known for one	Unknown — not stated by the source	45 W
Securityidentical
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 typeKnown for one	BIOS, User, HDD	Unknown — not stated by the source
Face recognitionKnown for one	Unknown — not stated by the source	Yes
Windows HelloKnown 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	1.57 kg	1.5 kg
WidthDiffers	315.1 mm	353.6 mm
DepthDiffers	226.8 mm	243 mm
Height (front)Differs	1.05 cm	1.19 cm
Height (rear)Differs	1.9 cm	1.29 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	8.9

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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