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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

View product
B

ASUS

M4A78-HTPC/RC AMD

Model M4A78-HTPC/RC

View product
Processor1 differ
Processor manufacturerAMDAMD
Processor socketSocket AM3Socket AM3
Compatible processor seriesAMD PhenomAMD Phenom
System bus rateDiffers2 GT/s5.2 GT/s
Memory3 differ
Supported memory typesDDR2-SDRAMDDR2-SDRAM
Number of memory slotsDiffers24
Memory slots typeDiffersDIMMSO-DIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityECC & Non-ECCECC & Non-ECC
Supported memory clock speedsKnown for one667,800,1066 MHz
Maximum internal memoryDiffers8 GB16 GB
Storage controllers1 differ
Supported storage drive interfacesIDE, SATA IIIDE, SATA II
RAID levelsDiffers0, 1, 1+0, JBOD0, 1, 0+1
Internal I/O3 differ
USB 2.0 connectors33
USB 3.2 Gen 1 (3.1 Gen 1) connectors00
Number of SATA III connectors00
Number of SATA II connectorsDiffers45
Number of SATA connectorsDiffers45
Number of Parallel ATA connectors11
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
CD/AUX audio inYesYes
ATX Power connector (24-pin)YesYes
Power fan connectorKnown for oneYes
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers12
Chassis intrusion connectorYesYes
Rear panel I/O ports4 differ
USB 2.0 ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity00
Ethernet LAN (RJ-45) ports11
eSATA ports quantityDiffers01
PS/2 ports quantityDiffers20
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantityDiffers01
DVI-D ports quantity11
Headphone outputsDiffers31
Microphone inKnown for oneYes
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
COM ports quantityKnown for one1
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerKnown for oneAtheros L1E
Networking featuresGigabit EthernetGigabit Ethernet
Features2 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD 740GAMD 780G
Audio output channelsDiffers5.1 channels7.1 channels
Power source typeATXATX
Expansion slots2 differ
PCI Express x1 slotsDiffers12
PCI Express x16 slots11
PCI slotsDiffers21
BIOS1 differ
BIOS typeAMIAMI
BIOS memory size64 Mbit64 Mbit
ACPI versionDiffers2.0a2.0
Weight & dimensions1 differ
Width244 mm244 mm
DepthDiffers208 mm244 mm
Other features1 differ
Controller 2nd interface typeIDEIDE
Controller interface typeSATASATA
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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