Product comparison · 2 motherboards

ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX vs GIGABYTE GA-B85M-HD3 R4

Add a product
  • 44specifications compared
  • 13differ
  • 31identical
  • 31known for one product only

Key differences

The GIGABYTE GA-B85M-HD3 R4 has 2 more SATA III connectors than the ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX (4 vs 2). The GIGABYTE GA-B85M-HD3 R4 has 2 more SATA connectors than the ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX (6 vs 4). The GIGABYTE GA-B85M-HD3 R4 has 2 more USB 2.0 ports quantity than the ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX (4 vs 2). Supported memory clock speeds: 1066,1333,1600 MHz on the ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX, 1333,1600 MHz on the GIGABYTE GA-B85M-HD3 R4. Supported storage drive interfaces: SATA II, SATA III on the ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX, SATA III, SATA, SATA II on the GIGABYTE GA-B85M-HD3 R4.

  • Supported memory clock speeds
    • H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:1066,1333,1600 MHz
    • GA-B85M-HD3 R4:1333,1600 MHz
  • Supported storage drive interfaces
    • H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:SATA II, SATA III
    • GA-B85M-HD3 R4:SATA III, SATA, SATA II
  • Number of SATA III connectors
    • H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:2
    • GA-B85M-HD3 R4:4
  • Number of SATA connectors
    • H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:4
    • GA-B85M-HD3 R4:6
  • USB 2.0 ports quantity
    • H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:2
    • GA-B85M-HD3 R4:4
  • PS/2 ports quantity
    • H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:2
    • GA-B85M-HD3 R4:1
  • HDMI ports quantity
    • H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:0
    • GA-B85M-HD3 R4:1
  • Motherboard chipset
    • H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:Intel® H81
    • GA-B85M-HD3 R4:Intel® B85

Side by side

Differences highlightedShow differences only (off)
Comparison of H81M-P, GA-B85M-HD3 R4
75 specifications
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1150 (Socket H3)LGA 1150 (Socket H3)
Compatible processor seriesIntel® Celeron®, Intel® Pentium®Intel® Celeron®, Intel® Pentium®
Maximum number of SMP processorsKnown for oneUnknown — not stated by the source1
Memory1 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slots22
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers1066,1333,1600 MHz1333,1600 MHz
Maximum internal memory16 GB16 GB
Unbuffered memoryKnown for oneYesUnknown — not stated by the source
Storage controllers1 differ
Supported storage drive interfacesDiffersSATA II, SATA IIISATA III, SATA, SATA II
Graphicsidentical
Parallel processing technology supportKnown for oneUnknown — not stated by the sourceNot supported
Graphics card familyKnown for oneUnknown — not stated by the sourceIntel
Graphics cardKnown for oneUnknown — not stated by the sourceHD Graphics
Maximum resolutionKnown for oneUnknown — not stated by the source4096 x 2160 pixels
Internal I/O2 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
Number of SATA III connectorsDiffers24
Number of SATA II connectors22
Number of SATA connectorsDiffers46
S/PDIF out connectorKnown for oneUnknown — not stated by the sourceYes
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of chassis fan connectors11
Chassis intrusion connectorYesYes
Number of COM connectorsKnown for oneUnknown — not stated by the sourceNo
Parallel connectorKnown for oneUnknown — not stated by the sourceYes
Serial port headersKnown for oneUnknown — not stated by the source2
Number of EATX power connectorsKnown for one1Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Known for one1Unknown — not stated by the source
TPM connectorKnown for oneYesUnknown — not stated by the source
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for oneUnknown — not stated by the source0
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantityDiffers21
VGA (D-Sub) ports quantity11
HDMI ports quantityDiffers01
HDMI versionKnown for oneUnknown — not stated by the source1.4a
DVI-D ports quantity11
Microphone inYesYes
Firewire (IEEE 1394) portsKnown for one0Unknown — not stated by the source
Headphone outputsKnown for one1Unknown — not stated by the source
COM ports quantityKnown for one1Unknown — not stated by the source
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerKnown for oneRealtek 8111GRUnknown — not stated by the source
Features2 differ
Component forKnown for oneUnknown — not stated by the sourcePC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyIntelIntel
Motherboard chipsetDiffersIntel® H81Intel® B85
Audio chipKnown for oneUnknown — not stated by the sourceRealtek ALC887
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Windows operating systems supportedDiffersYesWindows 7 Enterprise, Windows 8, Windows 7 Enterprise x64, Windows 8 Enterprise, Windows 7 Home Basic, Windows 8 Enterprise x64, Windows 7 Home Basic x64, Windows 8 Pro, Windows 7 Home Premium, Windows 8 Pro x64, Windows 7 Home Premium x64, Windows 8 x64, Windows 7 Professional, Windows 8.1, Windows
Expansion slots1 differ
PCI Express x1 (Gen 2.x) slotsDiffers12
PCI Express x16 (Gen 3.x) slotsKnown for oneUnknown — not stated by the source1
PCI slotsKnown for oneUnknown — not stated by the source1
PCI Express x16 (Gen 2.x) slotsKnown for one1Unknown — not stated by the source
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory size64 Mbit64 Mbit
ACPI versionDiffers2.0a5.0
Clear CMOS jumperKnown for oneUnknown — not stated by the sourceYes
Processor special featuresidentical
Intel Extreme Memory Profile (XMP)Known for oneUnknown — not stated by the sourceYes
Processor with Intel Graphics Technology requiredKnown for oneUnknown — not stated by the sourceYes
Weight & dimensions2 differ
WidthDiffers190 mm244 mm
DepthDiffers177 mm174 mm
Packaging contentidentical
Bundled softwareKnown for oneUnknown — not stated by the sourceNorton Internet Security (OEM version) Intel Rapid Start Technology Intel Smart Connect Technology
Other featuresidentical
mSATA ports quantityKnown for oneUnknown — not stated by the source0
EZ plug connectorKnown for oneUnknown — not stated by the sourceNo
GAME/MIDI connectorKnown for oneUnknown — not stated by the sourceNo

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.

More motherboard comparisons

All motherboard comparisons