Product comparison · 2 motherboards

GIGABYTE GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX vs GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX

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  • 64specifications compared
  • 23differ
  • 41identical
  • 51known for one product only

Key differences

The GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX has 2 more memory slots than the GIGABYTE GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX (4 vs 2). The GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX has 16 GB more maximum internal memory than the GIGABYTE GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX (32 GB vs 16 GB). The GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX has 2 more USB 2.0 connectors than the GIGABYTE GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX (4 vs 2). Only the GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX has S/PDIF out connector. Only the GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX has S/PDIF out port.

  • Number of memory slots
    • GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX:2
    • GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX:4
  • Supported memory clock speeds
    • GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX:1333,1600 MHz
    • GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX:1333,1600,3000 MHz
  • Maximum internal memory
    • GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX:16 GB
    • GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX:32 GB
  • USB 2.0 connectors
    • GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX:2
    • GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX:4
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX:1
    • GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX:2
  • S/PDIF out connector
    • GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX:No
    • GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX:Yes
  • Number of chassis fan connectors
    • GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX:1
    • GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX:7
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX:4
    • GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX:6

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Differences highlightedShow differences only (off)
Comparison of GA-H87M-HD3, GA-Z87X-OC
115 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 processors11
Supported processor socketsKnown for oneUnknown — not stated by the sourceLGA 1150 (Socket H3)
Memory3 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slotsDiffers24
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
Memory voltage1.5 V1.5 V
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers1333,1600 MHz1333,1600,3000 MHz
Maximum internal memoryDiffers16 GB32 GB
Unbuffered memoryKnown for oneUnknown — not stated by the sourceYes
Storage controllersidentical
Supported storage drive interfacesSATA, SATA II, SATA IIISATA, SATA II, SATA III
RAID levels0, 1, 5, 100, 1, 5, 10
Graphics1 differ
Parallel processing technology supportDiffersNot supported2-Way CrossFireX, 2-Way SLI, 3-Way CrossFireX, 4-Way CrossFireX
On-board graphics cardYesYes
Graphics cardHD GraphicsHD Graphics
Maximum resolution4096 x 2160 pixels4096 x 2160 pixels
Discrete graphics supportYesYes
Graphics card familyKnown for oneUnknown — not stated by the sourceIntel
HDCPKnown for oneUnknown — not stated by the sourceYes
Internal I/O4 differ
USB 2.0 connectorsDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers12
Number of SATA III connectors66
Number of SATA II connectors00
Number of SATA connectorsKnown for one6Unknown — not stated by the source
Number of Parallel ATA connectors00
S/PDIF out connectorDiffersNoYes
Front panel audio connectorYesYes
CD/AUX audio inKnown for oneNoUnknown — not stated by the source
ATX Power connector (24-pin)YesYes
Power fan connectorKnown for oneNoUnknown — not stated by the source
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers17
Chassis intrusion connectorKnown for oneYesUnknown — not stated by the source
Number of COM connectorsKnown for oneNoUnknown — not stated by the source
Number of IEEE1394 connectorsKnown for one0Unknown — not stated by the source
Parallel connectorKnown for oneNoUnknown — not stated by the source
Serial port headers11
TPM connectorKnown for oneNoUnknown — not stated by the source
Number of EATX power connectorsKnown for oneUnknown — not stated by the source1
EPS power connector (8-pin)Known for oneUnknown — not stated by the sourceYes
Rear panel I/O ports6 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers46
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity11
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantityDiffers12
HDMI version1.4a1.4a
DVI-D ports quantityDiffers10
DVI-I ports quantityKnown for one0Unknown — not stated by the source
DisplayPorts quantityDiffers01
Microphone inYesYes
S/PDIF out portDiffersNoYes
Digital audio optical outKnown for one0Unknown — not stated by the source
Thunderbolt ports quantityKnown for one0Unknown — not stated by the source
COM ports quantityKnown for one0Unknown — not stated by the source
Parallel ports quantityKnown for one0Unknown — not stated by the source
Serial ports quantityKnown for one0Unknown — not stated by the source
Modem (RJ-11) portsKnown for one0Unknown — not stated by the source
Headphone outputsKnown for oneUnknown — not stated by the source6
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
Wi-FiKnown for oneUnknown — not stated by the sourceNo
BluetoothKnown for oneUnknown — not stated by the sourceNo
Features3 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyIntelIntel
Motherboard chipsetDiffersIntel® H87Intel® Z87
Audio chipDiffersRealtek ALC887Realtek ALC892
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Windows operating systems supportedYesYes
PC health monitoringKnown for oneUnknown — not stated by the sourceCPU, Fan, Temperature
Cooling typeKnown for oneUnknown — not stated by the sourcePassive
Expansion slots2 differ
PCI Express x1 (Gen 2.x) slotsKnown for one2Unknown — not stated by the source
PCI Express x16 slotsDiffers14
PCI Express x16 (Gen 3.x) slotsKnown for one1Unknown — not stated by the source
PCI slotsDiffers12
PCI Express x1 slotsKnown for oneUnknown — not stated by the source1
PCI Express configurationsKnown for oneUnknown — not stated by the source1x8, 1x16, 2x4
PCI Express slots versionKnown for oneUnknown — not stated by the source2.0, 3.0
BIOS1 differ
BIOS typeDiffersUEFIEFI AMI
ACPI version2.0a2.0a
Clear CMOS jumperYesYes
BIOS memory sizeKnown for oneUnknown — not stated by the source16 Mbit
Clear CMOS buttonKnown for oneUnknown — not stated by the sourceYes
Processor special featuresidentical
Intel® High Definition Audio (Intel® HD Audio)YesYes
Processor with Intel Graphics Technology requiredYesYes
Trusted Platform Module (TPM)Known for oneNoUnknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers244 mm305 mm
DepthDiffers174 mm244 mm
Packaging contentidentical
Drivers includedKnown for oneYesUnknown — not stated by the source
Bundled softwareKnown for oneIntel Rapid Start Technology Intel Smart Connect Technology Intel Smart Response Technology Intel Small Business Advantage Norton Internet SecurityUnknown — not stated by the source
Cables includedKnown for oneUnknown — not stated by the sourceSATA
Other features1 differ
mSATA ports quantityKnown for one0Unknown — not stated by the source
S/PDIF in connectorDiffersNoYes
S/PDIF in portKnown for oneNoUnknown — not stated by the source
Audio Modem Rise (AMR) slotKnown for oneNoUnknown — not stated by the source
CF card connectorKnown for oneNoUnknown — not stated by the source
CNR slotKnown for oneNoUnknown — not stated by the source
Dual Power System (DPS) slotKnown for oneNoUnknown — not stated by the source
EZ plug connectorKnown for oneNoUnknown — not stated by the source
Floppy disk drive connectorKnown for oneNoUnknown — not stated by the source
GAME/MIDI connectorKnown for oneNoUnknown — not stated by the source
IPMI 2.0 slotKnown for oneNoUnknown — not stated by the source
Parallel port via internal headerKnown for oneYesUnknown — not stated by the source
Quick installation guideYesYes
eSATA/USB 2.0 ports quantityKnown for one0Unknown — not stated by the source
PCI Express power connectors (6-pin)Known for oneUnknown — not stated by the source1
Serial port via internal headerKnown for oneUnknown — not stated by the sourceYes

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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