Product comparison · 2 motherboards

ASUS B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX vs GIGABYTE GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX

47specifications compared
11differ
36identical
23known for one product only

Key differences

The ASUS B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX has 2 more memory slots than the GIGABYTE GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX (4 vs 2). The ASUS B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX has 2 more SATA III connectors than the GIGABYTE GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX (4 vs 2). The GIGABYTE GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX has 2 more SATA II connectors than the ASUS B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX (4 vs 2). Processor socket: LGA 1150 (Socket H3) on the ASUS B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX, LGA 1155 (Socket H2) on the GIGABYTE GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX. Motherboard chipset: Intel® B85 on the ASUS B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX, Intel H77 on the GIGABYTE GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX.

Processor socket
- B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX:LGA 1150 (Socket H3)
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:LGA 1155 (Socket H2)
Number of memory slots
- B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX:4
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:2
Number of SATA III connectors
- B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX:4
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:2
Number of SATA II connectors
- B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX:2
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:4
USB 2.0 ports quantity
- B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX:4
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:6
PS/2 ports quantity
- B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX:2
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:1
Motherboard chipset
- B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX:Intel® B85
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:Intel H77
Audio chip
- B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX:Realtek ALC887-VD2
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:Realtek ALC887

Side by side

Differences highlightedShow differences only

Comparison of B85M-G, GA-H77M-HD3
70 specifications	A ASUS B85M-G Intel® B85 LGA 1150 (Socket H3) micro ATX Model B85M-G View product	B GIGABYTE GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX Model GA-H77M-HD3 View product
Processor1 differ
Processor socketDiffers	LGA 1150 (Socket H3)	LGA 1155 (Socket H2)
Memory1 differ
Number of memory slotsDiffers	4	2
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
ECC сompatibilityKnown for one	Unknown — not stated by the source	Non-ECC
Storage controllersidentical
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
HDCPKnown for one	Unknown — not stated by the source	Yes
DirectX versionKnown for one	Unknown — not stated by the source	11
Maximum graphics card memoryKnown for one	1024 MB	Unknown — not stated by the source
Maximum resolutionKnown for one	4096 x 2160 pixels	Unknown — not stated by the source
Internal I/O2 differ
Number of SATA III connectorsDiffers	4	2
Number of SATA II connectorsDiffers	2	4
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Parallel connectorKnown for one	Unknown — not stated by the source	Yes
Serial port headersKnown for one	Unknown — not stated by the source	1
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	1	Unknown — not stated by the source
Chassis intrusion connectorKnown for one	Yes	Unknown — not stated by the source
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers	4	6
PS/2 ports quantityDiffers	2	1
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Features2 differ
Motherboard chipsetDiffers	Intel® B85	Intel H77
Audio chipDiffers	Realtek ALC887-VD2	Realtek ALC887
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Expansion slotsidentical
PCI slotsKnown for one	Unknown — not stated by the source	1
BIOS1 differ
BIOS typeDiffers	AMI	EFI AMI
Processor special featuresidentical
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	233 mm	244 mm
DepthDiffers	193 mm	174 mm
Other featuresidentical
Quick installation guideKnown for one	Unknown — not stated by the source	Yes

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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