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Product comparison · 2 motherboards

ASUS M2A74-AM AMD vs ASUS M4A78-HTPC/RC AMD

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  • 56specifications compared
  • 19differ
  • 37identical
  • 8known for one product only

Key differences

  • System bus rate
    • 2 GT/s
    • 5.2 GT/s
  • Number of memory slots
    • 2
    • 4
  • Memory slots type
    • DIMM
    • SO-DIMM
  • Maximum internal memory
    • 8 GB
    • 16 GB
  • RAID levels
    • 0, 1, 1+0, JBOD
    • 0, 1, 0+1
  • Number of SATA II connectors
    • 4
    • 5
  • Number of SATA connectors
    • 4
    • 5
  • Number of chassis fan connectors
    • 1
    • 2

Side by side

Differences highlightedShow differences only
64 specifications
A

ASUS

M2A74-AM AMD

Model M2A74-AM

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B

ASUS

M4A78-HTPC/RC AMD

Model M4A78-HTPC/RC

View product
Processor1 differ
System bus rateDiffers2 GT/s5.2 GT/s
Memory3 differ
Number of memory slotsDiffers24
Memory slots typeDiffersDIMMSO-DIMM
Supported memory clock speedsKnown for one667,800,1066 MHz
Maximum internal memoryDiffers8 GB16 GB
Storage controllers1 differ
RAID levelsDiffers0, 1, 1+0, JBOD0, 1, 0+1
Internal I/O3 differ
Number of SATA II connectorsDiffers45
Number of SATA connectorsDiffers45
Power fan connectorKnown for oneYes
Number of chassis fan connectorsDiffers12
Rear panel I/O ports4 differ
eSATA ports quantityDiffers01
PS/2 ports quantityDiffers20
HDMI ports quantityDiffers01
Headphone outputsDiffers31
Microphone inKnown for oneYes
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
COM ports quantityKnown for one1
Networkidentical
LAN controllerKnown for oneAtheros L1E
Features2 differ
Motherboard chipsetDiffersAMD 740GAMD 780G
Audio output channelsDiffers5.1 channels7.1 channels
Expansion slots2 differ
PCI Express x1 slotsDiffers12
PCI slotsDiffers21
BIOS1 differ
ACPI versionDiffers2.0a2.0
Weight & dimensions1 differ
DepthDiffers208 mm244 mm
Other features1 differ
Graphics controllerDiffersRadeon 2100Radeon HD 3200
Audio outputKnown for oneVT1708S

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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