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Product comparison · 2 motherboards

ASUS A55BM-K AMD A55 FCH Socket FM2+ micro ATX vs MSI B85I Gaming

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  • 39specifications compared
  • 23differ
  • 16identical
  • 28known for one product only

Key differences

  • Processor manufacturer
    • AMD
    • Intel
  • Processor socket
    • Socket FM2+
    • LGA 1150 (Socket H3)
  • Supported memory clock speeds
    • 1333,1600,1866,2133,2400 MHz
    • 1066,1333,1600 MHz
  • Maximum internal memory
    • 32 GB
    • 16 GB
  • Maximum resolution
    • 2560 x 1600 pixels
    • 4096 x 2160 pixels
  • USB 2.0 connectors
    • 2
    • 1
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 0
    • 1
  • Number of SATA III connectors
    • 0
    • 4

Side by side

Differences highlightedShow differences only
67 specifications
A

ASUS

A55BM-K AMD A55 FCH Socket FM2+ micro ATX

Model A55BM-K

View product
B

MSI

B85I GamingView product
Processor3 differ
Processor manufacturerDiffersAMDIntel
Processor socketDiffersSocket FM2+LGA 1150 (Socket H3)
Compatible processor seriesDiffersAMD AIntel® Celeron®, Intel® Pentium®
Memory2 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers1333,1600,1866,2133,2400 MHz1066,1333,1600 MHz
Maximum internal memoryDiffers32 GB16 GB
Unbuffered memoryYesYes
Number of memory slotsKnown for one2
Storage controllersidentical
Supported storage drive interfacesSATA II, SATA IIISATA II, SATA III
RAID levelsKnown for one0, 1, 10, JBOD
Graphics1 differ
Maximum graphics card memoryKnown for one2048 MB
Maximum resolutionDiffers2560 x 1600 pixels4096 x 2160 pixels
DirectX versionKnown for one11
Internal I/O4 differ
USB 2.0 connectorsDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers01
Number of SATA III connectorsDiffers04
Number of SATA II connectorsDiffers41
Number of Parallel ATA connectors00
S/PDIF out connectorKnown for oneYes
Front panel audio connectorYesYes
Number of EATX power connectorsKnown for one1
CPU fan connectorYesYes
Number of chassis fan connectorsKnown for one1
Number of COM connectorsKnown for one1
ATX Power connector (24-pin)Known for oneYes
Chassis intrusion connectorKnown for oneYes
EPS power connector (8-pin)Known for oneYes
TPM connectorKnown for oneYes
Rear panel I/O ports6 differ
USB 2.0 ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers02
Ethernet LAN (RJ-45) ports11
eSATA ports quantityDiffers01
PS/2 ports quantityDiffers21
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantityDiffers01
DVI-D ports quantityDiffers10
DVI-I ports quantityKnown for one1
DisplayPorts quantityKnown for one1
S/PDIF out portKnown for oneYes
Network1 differ
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerDiffersRealtek 8111GBigfoot Killer E2205
Features4 differ
Motherboard form factorDiffersmicro ATXmini ITX
Motherboard chipset familyDiffersAMDIntel
Motherboard chipsetKnown for oneAMD A55 FCH
Audio chipDiffersRealtek ALC887-VDRealtek ALC1150
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Windows operating systems supportedDiffersYesWindows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Component forKnown for onePC
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slotsKnown for one1
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one1
PCI Express x16 (Gen 3.x) slotsKnown for one1
Mini PCI Express slot (half-length)Known for one1
BIOSidentical
BIOS typeKnown for oneUEFI AMI
BIOS memory sizeKnown for one64 Mbit
ACPI versionKnown for one4.0a
Clear CMOS jumperKnown for oneYes
Clear CMOS buttonKnown for oneYes
Weight & dimensions2 differ
WidthDiffers226 mm170 mm
DepthDiffers183 mm170 mm
Packaging contentidentical
Cables includedKnown for oneSATA

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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