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Product comparison · 2 motherboards

ASUS PRIME B850M-K vs ASUS Z790-AYW WIFI W II

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  • 67specifications compared
  • 24differ
  • 43identical
  • 24known for one product only

Key differences

  • Processor manufacturer
    • AMD
    • Intel
  • Processor socket
    • Socket AM5
    • LGA 1700
  • Supported processor sockets
    • Socket AM5
    • LGA 1700
  • Number of memory slots
    • 2
    • 4
  • ECC сompatibility
    • ECC & Non-ECC
    • Non-ECC
  • Maximum internal memory
    • 128 GB
    • 192 GB
  • Number of storage drives supported
    • 6
    • 7
  • USB 3.2 Gen 2 (3.1 Gen 2) connectors
    • 0
    • 1

Side by side

Differences highlightedShow differences only
91 specifications
A

ASUS

PRIME B850M-KView product
B

ASUS

Z790-AYW WIFI W IIView product
Processor4 differ
Processor manufacturerDiffersAMDIntel
Processor socketDiffersSocket AM5LGA 1700
Compatible processor seriesDiffersAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 SeriesIntel® Celeron®, Intel Core i3 12th Gen, Intel Core i3 13th Gen, Intel Core i3 14th Gen, Intel Core i5 12th Gen, Intel Core i5 13th Gen, Intel Core i5 14th Gen, Intel Core i7 12th Gen, Intel Core i7 13th Gen, Intel Core i7 14th Gen, Intel Core i9 12th Gen, Intel Core i9 13th Gen, Intel Core i9 14th
Supported processor socketsDiffersSocket AM5LGA 1700
Memory3 differ
Supported memory typesDDR5-SDRAMDDR5-SDRAM
Number of memory slotsDiffers24
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityDiffersECC & Non-ECCNon-ECC
Supported memory clock speedsKnown for one7400,4800,7600,7800,5000,8000,5200,5400,5600,5800,6000,6200,6400,6600,6800,7000,7200 MHz
Maximum internal memoryDiffers128 GB192 GB
Unbuffered memoryYesYes
Storage controllers1 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesM.2, SATA IIIM.2, SATA III
Number of HDDs supported44
Number of storage drives supportedDiffers67
RAID supportYesYes
RAID levels0, 1, 5, 100, 1, 5, 10
Graphicsidentical
Parallel processing technology supportNot supportedNot supported
On-board graphics cardKnown for oneNo
Internal I/O1 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectors22
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers01
Number of SATA III connectors44
Number of SATA II connectorsKnown for one0
Number of SATA connectorsKnown for one0
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
Front panel connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of chassis fan connectors33
EPS power connector (8-pin)YesYes
12V power connectorYesYes
Number of COM connectors11
TPM connectorYesYes
Thunderbolt headersKnown for one1
RGB LED pin headerYesYes
Number of RGB LED pin headersKnown for one3
Number of CPU fan connectorsKnown for one1
Rear panel I/O ports2 differ
USB 2.0 ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
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 quantityDiffers21
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers01
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantity00
HDMI ports quantity11
DVI-D ports quantity00
Microphone inYesYes
WiFi-AP antenna jackKnown for one1
PS/2 ports quantityKnown for one1
DisplayPorts quantityKnown for one1
Line-inKnown for oneYes
Network2 differ
Ethernet LANYesYes
Ethernet interface type2.5 Gigabit Ethernet2.5 Gigabit Ethernet
Wi-FiDiffersNoYes
Top Wi-Fi standardDiffersNot availableWi-Fi 6 (802.11ax)
Wi-Fi standardsKnown for oneWi-Fi 6 (802.11ax)
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.3
Features4 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyDiffersAMDIntel
Motherboard chipsetDiffersAMD B850Intel Z790
Audio output channels7.1 channels7.1 channels
Product colourDiffersBlackAluminium
Windows operating systems supportedWindows 10 x64, Windows 11Windows 10 x64, Windows 11
Cooling typeKnown for onePassive
Expansion slots4 differ
PCI Express x1 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 4.x) slotsDiffers13
PCI Express x16 (Gen 5.x) slots11
Number of M.2 (M) slotsDiffers23
1st M.2 largest key sizeDiffers228022110
1st M.2 highest PCI Express generationDiffers5.04.0
2nd M.2 largest key size22802280
2nd M.2 highest PCI Express generation4.04.0
3rd M.2 largest key sizeKnown for one22110
3rd M.2 highest PCI Express generationKnown for one4.0
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers256 Mbit192 Mbit
Weight & dimensions2 differ
WidthDiffers244 mm305 mm
DepthDiffers221 mm244 mm
Packaging contentidentical
Antenna includedKnown for oneYes
Cables includedSATASATA
Screws includedYesYes
Other featuresidentical
mSATA ports quantityKnown for one0
Packaging dataidentical
Package widthKnown for one564 mm
Package depthKnown for one288 mm
Package heightKnown for one297 mm
Package weightKnown for one1.07 kg

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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