Product comparison · 2 motherboards

ASUS Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX vs GIGABYTE GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX

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  • 41specifications compared
  • 17differ
  • 24identical
  • 28known for one product only

Key differences

The ASUS Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX has 2 more memory slots than the GIGABYTE GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX (4 vs 2). The ASUS Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX has 48 GB more maximum internal memory than the GIGABYTE GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX (64 GB vs 16 GB). The ASUS Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX has 1 more USB 3.2 Gen 1 (3.1 Gen 1) connectors than the GIGABYTE GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX (2 vs 1). Processor socket: LGA 1151 (Socket H4) on the ASUS Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX, LGA 1150 (Socket H3) on the GIGABYTE GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX. Supported memory types: DDR4-SDRAM on the ASUS Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX, DDR3-SDRAM on the GIGABYTE GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX.

  • Processor socket
    • Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX:LGA 1151 (Socket H4)
    • GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX:LGA 1150 (Socket H3)
  • Supported memory types
    • Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX:DDR4-SDRAM
    • GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX:DDR3-SDRAM
  • Number of memory slots
    • Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX:4
    • GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX:2
  • Maximum internal memory
    • Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX:64 GB
    • GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX:16 GB
  • Supported storage drive interfaces
    • Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX:SATA III
    • GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX:SATA II, SATA III
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX:2
    • GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX:1
  • USB 2.0 ports quantity
    • Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX:2
    • GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX:4
  • PS/2 ports quantity
    • Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX:2
    • GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX:1

Side by side

Differences highlightedShow differences only (off)
Comparison of Z170-P, GA-B85M-HD3-A
69 specifications
Processor1 differ
Processor manufacturerIntelIntel
Processor socketDiffersLGA 1151 (Socket H4)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
Memory4 differ
Supported memory typesDiffersDDR4-SDRAMDDR3-SDRAM
Number of memory slotsDiffers42
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
Supported memory clock speedsDiffers2133,2400,2600,2666,2800,2933,3000,3100,3200,3300,3466 MHz1333,1600 MHz
Maximum internal memoryDiffers64 GB16 GB
Unbuffered memoryKnown for oneYesUnknown — not stated by the source
ECC сompatibilityKnown for oneUnknown — not stated by the sourceNon-ECC
Storage controllers1 differ
Supported storage drive interfacesDiffersSATA IIISATA II, SATA III
RAID levelsKnown for one1, 5, 10Unknown — not stated by the source
Graphicsidentical
Parallel processing technology supportKnown for oneQuad-GPU CrossFireXUnknown — not stated by the source
Maximum graphics card memoryKnown for oneUnknown — not stated by the source1024 MB
Graphics cardKnown for oneUnknown — not stated by the sourceHD Graphics
Maximum resolutionKnown for oneUnknown — not stated by the source2560 x 1600 pixels
Internal I/O1 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers21
Number of SATA III connectors44
Number of Parallel ATA connectorsKnown for one0Unknown — not stated by the source
S/PDIF out connectorKnown for oneYesUnknown — not stated by the source
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectorsKnown for one1Unknown — not stated by the source
CPU fan connectorYesYes
Number of chassis fan connectorsKnown for one2Unknown — not stated by the source
EPS power connector (8-pin)YesYes
Number of COM connectorsKnown for one1Unknown — not stated by the source
Number of SATA II connectorsKnown for oneUnknown — not stated by the source2
Parallel connectorKnown for oneUnknown — not stated by the sourceYes
Serial port headersKnown for oneUnknown — not stated by the source1
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
eSATA ports quantityKnown for one0Unknown — not stated by the source
PS/2 ports quantityDiffers21
Firewire (IEEE 1394) portsKnown for one0Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers01
HDMI ports quantity11
DVI-D ports quantity11
Headphone outputsKnown for one1Unknown — not stated by the source
Microphone inYesYes
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerKnown for oneRealtek 8111GRUnknown — not stated by the source
Features2 differ
Component forPCPC
Motherboard form factorDiffersATXmicro ATX
Motherboard chipset familyIntelIntel
Motherboard chipsetDiffersIntel® Z170Intel® B85
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Audio chipKnown for oneUnknown — not stated by the sourceRealtek ALC887
Windows operating systems supportedKnown for oneUnknown — not stated by the sourceYes
Expansion slots2 differ
PCI Express x1 (Gen 3.x) slotsKnown for one2Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slotsDiffers21
PCI slotsDiffers21
Number of M.2 (M) slotsKnown for one1Unknown — not stated by the source
PCI Express x1 (Gen 2.x) slotsKnown for oneUnknown — not stated by the source2
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers16 Mbit32 Mbit
ACPI version5.05.0
Clear CMOS jumperYesYes
Processor special featuresidentical
Intel Extreme Memory Profile (XMP)Known for oneYesUnknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers305 mm174 mm
DepthDiffers224 mm244 mm
Other featuresidentical
S/PDIF in portKnown for oneYesUnknown — not stated by the source
Technical detailsidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceENERGY STAR

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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