Product comparison · 2 laptops

ASUS ExpertBook Ultra B9406CAA-TH0688X Copilot+ PC Intel Core Ultra X7 358H Laptop vs ASUS ROG Zephyrus Duo GX651AX-SR010W Intel Core Ultra 9 386H Hybrid (2-in-1)

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  • 120specifications compared
  • 42differ
  • 78identical
  • 29known for one product only

Key differences

  • Product type
    • ExpertBook Ultra B9406CAA-TH0688X Copilot+ PC Intel Core Ultra X7 358H Laptop:Laptop
    • ROG Zephyrus Duo GX651AX-SR010W Intel Core Ultra 9 386H Hybrid (2-in-1):Hybrid (2-in-1)
  • Colour name
    • ExpertBook Ultra B9406CAA-TH0688X Copilot+ PC Intel Core Ultra X7 358H Laptop:Morn Grey
    • ROG Zephyrus Duo GX651AX-SR010W Intel Core Ultra 9 386H Hybrid (2-in-1):Stellar Grey
  • Form factor
    • ExpertBook Ultra B9406CAA-TH0688X Copilot+ PC Intel Core Ultra X7 358H Laptop:Clamshell
    • ROG Zephyrus Duo GX651AX-SR010W Intel Core Ultra 9 386H Hybrid (2-in-1):Convertible (Detachable)
  • Market positioning
    • ExpertBook Ultra B9406CAA-TH0688X Copilot+ PC Intel Core Ultra X7 358H Laptop:Work
    • ROG Zephyrus Duo GX651AX-SR010W Intel Core Ultra 9 386H Hybrid (2-in-1):Gaming
  • Display diagonal
    • ExpertBook Ultra B9406CAA-TH0688X Copilot+ PC Intel Core Ultra X7 358H Laptop:35.6 cm (14")
    • ROG Zephyrus Duo GX651AX-SR010W Intel Core Ultra 9 386H Hybrid (2-in-1):40.6 cm (16")
  • Display brightness
    • ExpertBook Ultra B9406CAA-TH0688X Copilot+ PC Intel Core Ultra X7 358H Laptop:600 cd/m²
    • ROG Zephyrus Duo GX651AX-SR010W Intel Core Ultra 9 386H Hybrid (2-in-1):500 cd/m²
  • Maximum display brightness (HDR)
    • ExpertBook Ultra B9406CAA-TH0688X Copilot+ PC Intel Core Ultra X7 358H Laptop:1400 cd/m²
    • ROG Zephyrus Duo GX651AX-SR010W Intel Core Ultra 9 386H Hybrid (2-in-1):1100 cd/m²
  • Processor family
    • ExpertBook Ultra B9406CAA-TH0688X Copilot+ PC Intel Core Ultra X7 358H Laptop:Intel Core Ultra X7
    • ROG Zephyrus Duo GX651AX-SR010W Intel Core Ultra 9 386H Hybrid (2-in-1):Intel Core Ultra 9

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Differences highlightedShow differences only (off)
Comparison of B9406CAA-TH0688X, GX651AX-SR010W
149 specifications
Design4 differ
Product typeDiffersLaptopHybrid (2-in-1)
Product colourGreyGrey
Colour nameDiffersMorn GreyStellar Grey
Form factorDiffersClamshellConvertible (Detachable)
Display back cover materialKnown for oneMagnesiumUnknown — not stated by the source
Housing materialKnown for oneMagnesium, AluminiumUnknown — not stated by the source
Market positioningDiffersWorkGaming
Introduction year20262026
Display3 differ
Display diagonalDiffers35.6 cm (14")40.6 cm (16")
Display resolution2880 x 1800 pixels2880 x 1800 pixels
TouchscreenYesYes
HD typeWQXGA+WQXGA+
Panel typeOLEDOLED
Native aspect ratio16:1016:10
Anti-glare screenYesYes
Display brightnessDiffers600 cd/m²500 cd/m²
Maximum display brightness (HDR)Differs1400 cd/m²1100 cd/m²
Colour gamut100%100%
RGB colour spaceDCI-P3DCI-P3
Display response rise/fall0.2 ms0.2 ms
Maximum refresh rate120 Hz120 Hz
High Dynamic Range (HDR) supportedYesYes
High Dynamic Range (HDR) technologyKnown for oneDisplayHDR True Black 1000Unknown — not stated by the source
Processor9 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel Core Ultra X7Intel Core Ultra 9
Processor generationIntel® Core™ Ultra (Series 3)Intel® Core™ Ultra (Series 3)
Processor modelDiffers358H386H
Processor cores1616
Processor threads1616
Processor boost frequencyDiffers4.8 GHz4.9 GHz
Performance cores44
Efficient cores88
Low Power Efficient-cores44
Performance-core Max Turbo FrequencyDiffers4.8 GHz4.9 GHz
Efficient-core Max Turbo FrequencyDiffers3.5 GHz3.9 GHz
Low Power Efficient-core Max Turbo FrequencyDiffers3.3 GHz3.5 GHz
Performance-core base frequencyDiffers1.9 GHz2.1 GHz
Efficient-core base frequencyDiffers1.5 GHz1.6 GHz
Low Power Efficient-core Base FrequencyDiffers1500 MHz1600 MHz
Processor cache18 MB18 MB
Processor cache typeSmart CacheSmart Cache
Maximum turbo powerKnown for oneUnknown — not stated by the source80 W
Processor base powerKnown for oneUnknown — not stated by the source25 W
Neural processor unit (NPU)identical
Copilot+ PCKnown for oneYesUnknown — not stated by the source
Neural processor unit (NPU)Intel AI BoostIntel AI Boost
Sparsity supportYesYes
Windows Studio effects supportYesYes
AI software frameworks supported by NPUKnown for oneDirectML, OpenVINO, Windows ML, ONNX RT, WebNNUnknown — not stated by the source
NPU performance up to50 TOPs50 TOPs
GPU performance up toKnown for one122 TOPsUnknown — not stated by the source
Memory2 differ
Internal memoryDiffers32 GB64 GB
Internal memory typeLPDDR5x-SDRAMLPDDR5x-SDRAM
Memory form factorOn-boardOn-board
Maximum internal memoryDiffers32 GB64 GB
Memory clock speedKnown for oneUnknown — not stated by the source8533 MHz
Memory channelsKnown for oneUnknown — not stated by the sourceDual-channel
Storage5 differ
Total storage capacityDiffers1 TB2 TB
Storage mediaSSDSSD
Total SSDs capacityDiffers1 TB2 TB
Number of SSDs installed11
SSD capacityDiffers1 TB2 TB
NVMeYesYes
SSD interfaceDiffersPCI Express 4.0PCI Express 5.0
M.2 SSD sizeKnown for one2280 (22 x 80 mm)Unknown — not stated by the source
SSD form factorM.2M.2
Optical drive typeNoNo
Card reader integratedDiffersNoYes
Compatible memory cardsKnown for oneUnknown — not stated by the sourceMicroSD (TransFlash)
Graphics4 differ
On-board graphics cardYesYes
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA GeForce RTX 5090
On-board GPU manufacturerIntelIntel
On-board graphics card familyDiffersIntel Arc GraphicsIntel® Graphics
On-board graphics card modelDiffersIntel Arc B390Intel® Graphics
Discrete GPU manufacturerKnown for oneUnknown — not stated by the sourceNVIDIA
Discrete graphics card memoryKnown for oneUnknown — not stated by the source24 GB
Discrete graphics memory typeKnown for oneUnknown — not stated by the sourceGDDR7
NVIDIA G-SYNCKnown for oneUnknown — not stated by the sourceYes
Audio1 differ
Audio systemDiffersDolby AtmosSmart Amp
Built-in microphoneYesYes
Number of built-in speakersKnown for oneUnknown — not stated by the source4
Cameraidentical
Front cameraYesYes
Front camera HD typeFull HDFull HD
Front camera resolution1920 x 1080 pixels1920 x 1080 pixels
Infrared (IR) cameraYesYes
Privacy cameraKnown for oneYesUnknown — not stated by the source
Privacy typeKnown for onePrivacy shutterUnknown — not stated by the source
Networkidentical
Mobile network connectionNoNo
Top Wi-Fi standardWi-Fi 7 (802.11be)Wi-Fi 7 (802.11be)
Wi-Fi standardsWi-Fi 7 (802.11be)Wi-Fi 7 (802.11be)
Antenna type2x22x2
Ethernet LANKnown for oneNoUnknown — not stated by the source
BluetoothYesYes
Bluetooth version6.06.0
Ports & interfacesidentical
USB 2.0 ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity22
HDMI ports quantity11
HDMI version2.12.1
Thunderbolt 4 ports quantity22
Intel® Thunderbolt 4YesYes
Combo headphone/mic portYesYes
USB Type-C DisplayPort Alternate ModeYesYes
Keyboardidentical
Pointing deviceTouchpadTouchpad
Keyboard backlitYesYes
Numeric keypadNoNo
Keyboard layoutQWERTYQWERTY
Keyboard languageSpanishSpanish
Copilot keyYesYes
Keyboard backlit colourKnown for oneUnknown — not stated by the sourceRGB
Keyboard backlit zoneKnown for oneUnknown — not stated by the source1-zone RGB
Software1 differ
Operating system installedDiffersWindows 11 ProWindows 11 Home
Operating system architecture64-bit64-bit
Microsoft CopilotYesYes
Trial software1-month trial for new Microsoft 365 customers1-month trial for new Microsoft 365 customers
Battery1 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cells44
Battery capacityDiffers70 Wh90 Wh
Power2 differ
AC adapter powerDiffers90 W250 W
AC adapter frequency50 - 60 Hz50 - 60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output currentDiffers4.5 A12.5 A
AC adapter output voltage20 V20 V
USB Type-C charging portYesYes
USB Power Delivery (USB PD)YesYes
USB Type-C required charging power (max)Known for oneUnknown — not stated by the source100 W
USB Type-C required charging power (min)Known for oneUnknown — not stated by the source45 W
Security1 differ
Fingerprint readerKnown for oneYesUnknown — not stated by the source
Face recognitionYesYes
Windows HelloYesYes
Trusted Platform Module (TPM)YesYes
Trusted Platform Module (TPM) versionKnown for one2.0Unknown — not stated by the source
Password protectionYesYes
Password protection typeDiffersBIOSBIOS, User
Certificatesidentical
Compliance certificatesKnown for oneREACHUnknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR, Forest Stewardship Council (FSC) Mix, TCOUnknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers1.09 kg2.82 kg
WidthDiffers310.9 mm355 mm
DepthDiffers212.8 mm246 mm
Height (front)Differs1.09 cm1.99 cm
Height (rear)Differs1.64 cm2.49 cm
Packaging data4 differ
Package widthDiffers390 mm576 mm
Package depthDiffers127.8 mm317 mm
Package heightDiffers290 mm369 mm
Package weightDiffers4.17 kg7.04 kg
Packaging contentidentical
AC adapter includedYesYes
Bag includedYesYes
Interface adapters includedKnown for oneUSB Type-C male - Ethernet LAN (RJ-45) femaleUnknown — not stated by the source

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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