Product comparison · 2 motherboards

ASUS A55BM-K AMD A55 FCH Socket FM2+ micro ATX vs MSI Z87I AC

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  • 43specifications compared
  • 27differ
  • 16identical
  • 30known for one product only

Key differences

  • Processor manufacturer
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:AMD
    • Z87I AC:Intel
  • Processor socket
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:Socket FM2+
    • Z87I AC:LGA 1150 (Socket H3)
  • Maximum internal memory
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:32 GB
    • Z87I AC:16 GB
  • Supported storage drive interfaces
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:SATA II, SATA III
    • Z87I AC:SATA III
  • RAID levels
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:0, 1, 10, JBOD
    • Z87I AC:0, 1, 5, 10
  • Maximum graphics card memory
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:2048 MB
    • Z87I AC:1760 MB
  • Maximum resolution
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:2560 x 1600 pixels
    • Z87I AC:4096 x 2160 pixels
  • USB 2.0 connectors
    • A55BM-K AMD A55 FCH Socket FM2+ micro ATX:2
    • Z87I AC:1

Side by side

Differences highlightedShow differences only (on)
Comparison of A55BM-K, Z87I AC
73 specifications
Processor3 differ
Processor manufacturerDiffersAMDIntel
Processor socketDiffersSocket FM2+LGA 1150 (Socket H3)
Compatible processor seriesDiffersAMD AIntel® Celeron®, Intel® Pentium®
Memory2 differ
Number of memory slotsKnown for oneUnknown — not stated by the source2
Supported memory clock speedsDiffers1333,1600,1866,2133,2400 MHz1066,1333,1600,1866,2000,2133,2200,2400,2600,2666,2800,3000 MHz
Maximum internal memoryDiffers32 GB16 GB
Storage controllers2 differ
Supported storage drive interfacesDiffersSATA II, SATA IIISATA III
RAID levelsDiffers0, 1, 10, JBOD0, 1, 5, 10
Graphics2 differ
Maximum graphics card memoryDiffers2048 MB1760 MB
Parallel processing technology supportKnown for oneUnknown — not stated by the sourceNot supported
Maximum resolutionDiffers2560 x 1600 pixels4096 x 2160 pixels
DirectX versionKnown for oneUnknown — not stated by the source11
Number of displays supportedKnown for oneUnknown — not stated by the source3
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 connectorsDiffers40
ATX Power connector (24-pin)Known for oneUnknown — not stated by the sourceYes
Serial port headersKnown for oneUnknown — not stated by the source1
S/PDIF out connectorKnown for oneYesUnknown — not stated by the source
Number of COM connectorsKnown for one1Unknown — not stated by the source
Rear panel I/O ports7 differ
USB 2.0 ports quantityDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers04
Ethernet LAN (RJ-45) portsDiffers12
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
Headphone outputsKnown for oneUnknown — not stated by the source1
Microphone inKnown for oneUnknown — not stated by the sourceYes
S/PDIF out portKnown for oneUnknown — not stated by the sourceYes
Network1 differ
LAN controllerDiffersRealtek 8111GRealtek RTL8111G
Wi-FiKnown for oneUnknown — not stated by the sourceYes
Wi-Fi standardsKnown for oneUnknown — not stated by the source802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothKnown for oneUnknown — not stated by the sourceYes
Bluetooth versionKnown for oneUnknown — not stated by the source4.0
Features4 differ
Component forKnown for oneUnknown — not stated by the sourcePC
Motherboard form factorDiffersmicro ATXmini ITX
Motherboard chipset familyDiffersAMDIntel
Motherboard chipsetDiffersAMD A55 FCHIntel® Z87
Audio chipDiffersRealtek ALC887-VDRealtek ALC892
Windows operating systems supportedKnown for oneYesUnknown — not stated by the source
Expansion slotsidentical
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
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
BIOSidentical
Clear CMOS jumperKnown for oneUnknown — not stated by the sourceYes
Clear CMOS buttonKnown for oneUnknown — not stated by the sourceYes
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
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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