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 manufacturer	Intel	Intel
Processor socketDiffers	LGA 1150 (Socket H3)	LGA 1155 (Socket H2)
Compatible processor series	Intel® Celeron®, Intel® Pentium®	Intel® Celeron®, Intel® Pentium®
Memory1 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Number of memory slotsDiffers	4	2
Memory slots type	DIMM	DIMM
Memory channels	Dual-channel	Dual-channel
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
Supported memory clock speeds	1066,1333,1600 MHz	1066,1333,1600 MHz
Maximum internal memory	32 GB	32 GB
Storage controllersidentical
Supported storage drive interfaces	SATA II, SATA III	SATA II, SATA III
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
USB 2.0 connectors	2	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1	1
Number of SATA III connectorsDiffers	4	2
Number of SATA II connectorsDiffers	2	4
Number of SATA connectors	6	6
Number of Parallel ATA connectors	0	0
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	0	0
PS/2 ports quantityDiffers	2	1
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	1	1
DVI-D ports quantity	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Features2 differ
Component for	PC	PC
Motherboard form factor	micro ATX	micro ATX
Motherboard chipset family	Intel	Intel
Motherboard chipsetDiffers	Intel® B85	Intel H77
Audio chipDiffers	Realtek ALC887-VD2	Realtek ALC887
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
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 Express x1 slots	2	2
PCI Express x16 slots	1	1
PCI Express slots version	2.0, 3.0	2.0, 3.0
PCI slotsKnown for one	Unknown — not stated by the source	1
BIOS1 differ
BIOS typeDiffers	AMI	EFI AMI
BIOS memory size	64 Mbit	64 Mbit
ACPI version	2.0a	2.0a
Clear CMOS jumper	Yes	Yes
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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