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Product comparison · 2 motherboards

ASUS PRIME B840M-K vs ASUS TUF GAMING X870-PRO WIFI7 W NEO

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  • 58specifications compared
  • 25differ
  • 33identical
  • 29known for one product only

Key differences

  • Number of memory slots
    • 2
    • 4
  • Maximum internal memory
    • 128 GB
    • 256 GB
  • Number of HDDs supported
    • 4
    • 2
  • USB 2.0 connectors
    • 2
    • 3
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 2
    • 1
  • Number of SATA III connectors
    • 4
    • 2
  • Number of chassis fan connectors
    • 3
    • 4
  • USB 2.0 ports quantity
    • 2
    • 1

Side by side

Differences highlightedShow differences only
87 specifications
A

ASUS

PRIME B840M-KView product
B

ASUS

TUF GAMING X870-PRO WIFI7 W NEOView product
Processor1 differ
Processor manufacturerAMDAMD
Processor socketSocket AM5Socket AM5
Compatible processor seriesDiffersAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 SeriesAMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series
Supported processor socketsKnown for oneSocket AM5
Memory2 differ
Supported memory typesDDR5-SDRAMDDR5-SDRAM
Number of memory slotsDiffers24
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityECC & Non-ECCECC & Non-ECC
Supported memory clock speed (max)Known for one9600 MHz
Maximum internal memoryDiffers128 GB256 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 supportedDiffers42
Number of storage drives supported66
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/O4 differ
USB 2.0 connectorsDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers21
USB 3.2 Gen 2 (3.1 Gen 2) connectors00
USB 3.2 Gen 2x2 connectorsKnown for one1
Number of SATA III connectorsDiffers42
Number of SATA II connectorsKnown for one0
Number of SATA connectorsKnown for one0
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of CPU fan connectorsKnown for one1
Number of chassis fan connectorsDiffers34
Chassis intrusion connectorKnown for oneYes
EPS power connector (8-pin)YesYes
12V power connectorYesYes
Number of COM connectors11
Number of water pump connectorsKnown for one1
S/PDIF out connectorKnown for oneYes
Front panel connectorKnown for oneYes
TPM connectorKnown for oneYes
RGB LED pin headerKnown for oneYes
Number of RGB LED pin headersKnown for one3
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
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 quantityDiffers03
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
USB4 Gen 3x2 ports quantityKnown for one2
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantity00
HDMI ports quantity11
DVI-D ports quantity00
Network3 differ
Ethernet LANYesYes
Ethernet interface typeDiffers2.5 Gigabit Ethernet5 Gigabit Ethernet
Wi-FiDiffersNoYes
Top Wi-Fi standardDiffersNot availableWi-Fi 7 (802.11be)
Wi-Fi standardsKnown for oneWi-Fi 7 (802.11be)
WLAN controller modelKnown for oneRealtek RTL8922AE
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.4
Features4 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B840AMD X870
Audio chipKnown for oneRealtek ALC1220P
Audio output channels7.1 channels7.1 channels
Product colourDiffersBlackWhite
Windows operating systems supportedDiffersWindows 10 x64, Windows 11Windows 11
Expansion slots1 differ
PCI Express x16 (Gen 4.x) slots11
PCI Express x16 (Gen 5.x) slotsKnown for one1
Number of M.2 (M) slotsDiffers24
1st M.2 largest key sizeKnown for one2280
PCI Express x16 (Gen 3.x) slotsKnown for one1
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers256 Mbit512 Mbit
Clear CMOS buttonKnown for oneYes
Packaging data4 differ
Package widthDiffers270 mm353 mm
Package depthDiffers263 mm273 mm
Package heightDiffers51.5 mm68 mm
Package weightDiffers1.02 kg2.14 kg
Weight & dimensions2 differ
WidthDiffers244 mm305 mm
DepthDiffers221 mm244 mm
HeightKnown for one50 mm
Other featuresidentical
mSATA ports quantityKnown for one0
WeightKnown for one1.56 kg
Packaging contentidentical
Cables includedKnown for oneSATA
Screws includedKnown for oneYes

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