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Product comparison · 2 motherboards

ASUS M4A77 AMD 770 Socket AM3 ATX vs ASUS P7H55-M PRO

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  • 32specifications compared
  • 11differ
  • 21identical
  • 20known for one product only

Key differences

  • Processor manufacturer
    • AMD
    • Intel
  • Processor socket
    • Socket AM3
    • LGA 1156 (Socket H)
  • ECC сompatibility
    • ECC & Non-ECC
    • Non-ECC
  • VGA (D-Sub) ports quantity
    • 0
    • 1
  • HDMI ports quantity
    • 0
    • 1
  • DVI-D ports quantity
    • 0
    • 1
  • Networking features
    • Gigabit
    • Gigabit LAN
  • Motherboard form factor
    • ATX
    • micro ATX

Side by side

Differences highlightedShow differences only
52 specifications
A

ASUS

M4A77 AMD 770 Socket AM3 ATX

Model M4A77

View product
B

ASUS

P7H55-M PROView product
Processor2 differ
Processor manufacturerDiffersAMDIntel
Processor socketDiffersSocket AM3LGA 1156 (Socket H)
Memory1 differ
Number of memory slots44
ECC сompatibilityDiffersECC & Non-ECCNon-ECC
Maximum internal memory16 GB16 GB
Graphicsidentical
Maximum graphics card memoryKnown for one1748 MB
On-board graphics cardKnown for oneYes
Internal I/Oidentical
USB 2.0 connectors33
Number of SATA connectors66
Number of Parallel ATA connectors11
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectorsKnown for one1
Power fan connectorKnown for oneYes
CPU fan connectorYesYes
Number of chassis fan connectorsKnown for one1
Chassis intrusion connectorKnown for oneYes
Number of COM connectorsKnown for one1
Rear panel I/O ports3 differ
USB 2.0 ports quantity66
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity11
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers01
HDMI ports quantityDiffers01
DVI-D ports quantityDiffers01
Headphone outputsKnown for one1
Microphone inKnown for oneYes
S/PDIF out portYesYes
COM ports quantityKnown for one1
Parallel ports quantityKnown for one1
Network1 differ
Networking featuresDiffersGigabitGigabit LAN
LAN controllerKnown for oneRealtek RTL8112L
Features1 differ
Motherboard form factorDiffersATXmicro ATX
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Motherboard chipsetKnown for oneAMD 770
Audio chipKnown for oneVIA VT1818S
Expansion slots1 differ
PCI Express x1 slots11
PCI Express x16 slots11
PCI slotsDiffers32
BIOSidentical
BIOS typeKnown for oneAMI
BIOS memory size64 Mbit64 Mbit
ACPI versionKnown for one2.0
Weight & dimensions2 differ
WidthDiffers306 mm245 mm
DepthDiffers214 mm245 mm
Packaging contentidentical
Drivers includedYesYes
Other featuresidentical
Controller 2nd interface typeKnown for oneJMicron JMB368 PATA
Controller interface typeKnown for oneSATA 3.0 Gb/s
Manageability featuresKnown for oneWfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE
Storage controllersidentical
RAID levelsKnown for one0, 1, 0+1, JBOD

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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