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

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

Comparison of Z170-P, GA-B85M-HD3-A
69 specifications	A ASUS Z170-P Intel® Z170 LGA 1151 (Socket H4) ATX Model Z170-P View product	B GIGABYTE GA-B85M-HD3-A motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX Model GA-B85M-HD3-A View product
Processor1 differ
Processor socketDiffers	LGA 1151 (Socket H4)	LGA 1150 (Socket H3)
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	1
Memory4 differ
Supported memory typesDiffers	DDR4-SDRAM	DDR3-SDRAM
Number of memory slotsDiffers	4	2
Supported memory clock speedsDiffers	2133,2400,2600,2666,2800,2933,3000,3100,3200,3300,3466 MHz	1333,1600 MHz
Maximum internal memoryDiffers	64 GB	16 GB
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
ECC сompatibilityKnown for one	Unknown — not stated by the source	Non-ECC
Storage controllers1 differ
Supported storage drive interfacesDiffers	SATA III	SATA II, SATA III
RAID levelsKnown for one	1, 5, 10	Unknown — not stated by the source
Graphicsidentical
Parallel processing technology supportKnown for one	Quad-GPU CrossFireX	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	1024 MB
Graphics cardKnown for one	Unknown — not stated by the source	HD Graphics
Maximum resolutionKnown for one	Unknown — not stated by the source	2560 x 1600 pixels
Internal I/O1 differ
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	2	1
Number of Parallel ATA connectorsKnown for one	0	Unknown — not stated by the source
S/PDIF out connectorKnown for one	Yes	Unknown — not stated by the source
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
Number of chassis fan connectorsKnown for one	2	Unknown — not stated by the source
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Number of SATA II connectorsKnown for one	Unknown — not stated by the source	2
Parallel connectorKnown for one	Unknown — not stated by the source	Yes
Serial port headersKnown for one	Unknown — not stated by the source	1
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers	2	4
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
PS/2 ports quantityDiffers	2	1
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	0	1
Headphone outputsKnown for one	1	Unknown — not stated by the source
Networkidentical
LAN controllerKnown for one	Realtek 8111GR	Unknown — not stated by the source
Features2 differ
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipsetDiffers	Intel® Z170	Intel® B85
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC887
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Expansion slots2 differ
PCI Express x1 (Gen 3.x) slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slotsDiffers	2	1
PCI slotsDiffers	2	1
Number of M.2 (M) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x1 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	2
BIOS1 differ
BIOS memory sizeDiffers	16 Mbit	32 Mbit
Processor special featuresidentical
Intel Extreme Memory Profile (XMP)Known for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	305 mm	174 mm
DepthDiffers	224 mm	244 mm
Other featuresidentical
S/PDIF in portKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY 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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