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
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:AMD
    • B85I Gaming:Intel
  • Processor socket
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:Socket FM2+
    • B85I Gaming:LGA 1150 (Socket H3)
  • Supported memory clock speeds
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:1333,1600,1866,2133,2400 MHz
    • B85I Gaming:1066,1333,1600 MHz
  • Maximum internal memory
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:32 GB
    • B85I Gaming:16 GB
  • Maximum resolution
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:2560 x 1600 pixels
    • B85I Gaming:4096 x 2160 pixels
  • USB 2.0 connectors
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:2
    • B85I Gaming:1
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:0
    • B85I Gaming:1
  • Number of SATA III connectors
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:0
    • B85I Gaming:4

Side by side

Differences highlightedShow differences only (on)
Comparison of A55BM-K, B85I Gaming
67 specifications
Processor3 differ
Processor manufacturerDiffersAMDIntel
Processor socketDiffersSocket FM2+LGA 1150 (Socket H3)
Compatible processor seriesDiffersAMD AIntel® Celeron®, Intel® Pentium®
Memory2 differ
Supported memory clock speedsDiffers1333,1600,1866,2133,2400 MHz1066,1333,1600 MHz
Maximum internal memoryDiffers32 GB16 GB
Number of memory slotsKnown for oneUnknown — not stated by the source2
Storage controllersidentical
RAID levelsKnown for one0, 1, 10, JBODUnknown — not stated by the source
Graphics1 differ
Maximum graphics card memoryKnown for one2048 MBUnknown — not stated by the source
Maximum resolutionDiffers2560 x 1600 pixels4096 x 2160 pixels
DirectX versionKnown for oneUnknown — not stated by the source11
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
S/PDIF out connectorKnown for oneYesUnknown — not stated by the source
Number of EATX power connectorsKnown for one1Unknown — not stated by the source
Number of chassis fan connectorsKnown for one1Unknown — not stated by the source
Number of COM connectorsKnown for one1Unknown — not stated by the source
ATX Power connector (24-pin)Known for oneUnknown — not stated by the sourceYes
Chassis intrusion connectorKnown for oneUnknown — not stated by the sourceYes
EPS power connector (8-pin)Known for oneUnknown — not stated by the sourceYes
TPM connectorKnown for oneUnknown — not stated by the sourceYes
Rear panel I/O ports6 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers02
eSATA ports quantityDiffers01
PS/2 ports quantityDiffers21
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantityDiffers01
DVI-D ports quantityDiffers10
DVI-I ports quantityKnown for oneUnknown — not stated by the source1
DisplayPorts quantityKnown for oneUnknown — not stated by the source1
S/PDIF out portKnown for oneUnknown — not stated by the sourceYes
Network1 differ
LAN controllerDiffersRealtek 8111GBigfoot Killer E2205
Features4 differ
Motherboard form factorDiffersmicro ATXmini ITX
Motherboard chipset familyDiffersAMDIntel
Motherboard chipsetKnown for oneAMD A55 FCHUnknown — not stated by the source
Audio chipDiffersRealtek ALC887-VDRealtek ALC1150
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 oneUnknown — not stated by the sourcePC
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slotsKnown for one1Unknown — not stated by the source
PCI Express x16 slotsKnown for one1Unknown — not stated by the source
PCI slotsKnown for one1Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slotsKnown for oneUnknown — not stated by the source1
Mini PCI Express slot (half-length)Known for oneUnknown — not stated by the source1
BIOSidentical
BIOS typeKnown for oneUEFI AMIUnknown — not stated by the source
BIOS memory sizeKnown for one64 MbitUnknown — not stated by the source
ACPI versionKnown for one4.0aUnknown — not stated by the source
Clear CMOS jumperKnown for oneUnknown — not stated by the sourceYes
Clear CMOS buttonKnown for oneUnknown — not stated by the sourceYes
Weight & dimensions2 differ
WidthDiffers226 mm170 mm
DepthDiffers183 mm170 mm
Packaging contentidentical
Cables includedKnown for oneSATAUnknown — not stated by the source

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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