Product comparison · 2 motherboards

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

51specifications compared
15differ
36identical
31known for one product only

Key differences

The ASUS B85-PLUS Intel® B85 LGA 1150 (Socket H3) 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 B85-PLUS Intel® B85 LGA 1150 (Socket H3) 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 B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX (4 vs 2). Processor socket: LGA 1150 (Socket H3) on the ASUS B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX, LGA 1155 (Socket H2) on the GIGABYTE GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX. Motherboard form factor: ATX on the ASUS B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX, micro ATX on the GIGABYTE GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX.

Processor socket
- B85-PLUS Intel® B85 LGA 1150 (Socket H3) 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
- B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX:4
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:2
Number of SATA III connectors
- B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX:4
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:2
Number of SATA II connectors
- B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX:2
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:4
USB 2.0 ports quantity
- B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX:4
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:6
PS/2 ports quantity
- B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX:2
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:1
HDMI ports quantity
- B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX:0
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:1
Motherboard form factor
- B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX:ATX
- GA-H77M-HD3 motherboard Intel H77 LGA 1155 (Socket H2) micro ATX:micro ATX

Side by side

Differences highlightedShow differences only

Comparison of B85-PLUS, GA-H77M-HD3
82 specifications	A ASUS B85-PLUS Intel® B85 LGA 1150 (Socket H3) ATX Model B85-PLUS 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
ECC сompatibility	Non-ECC	Non-ECC
Supported memory clock speeds	1066,1333,1600 MHz	1066,1333,1600 MHz
Maximum internal memory	32 GB	32 GB
Supported memory module capacitiesKnown for one	8GB	Unknown — not stated by the source
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
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
Maximum graphics card memoryKnown for one	1024 MB	Unknown — not stated by the source
Parallel processing technology supportKnown for one	Quad-GPU CrossFireX	Unknown — not stated by the source
Graphics card family	Intel	Intel
Maximum resolutionKnown for one	1920 x 1200 pixels	Unknown — not stated by the source
Discrete graphics supportKnown for one	Yes	Unknown — not stated by the source
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
HDCPKnown for one	Unknown — not stated by the source	Yes
DirectX versionKnown for one	Unknown — not stated by the source	11
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
S/PDIF out connectorKnown for one	Yes	Unknown — not stated by the source
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
CPU fan connector	Yes	Yes
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
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
Rear panel I/O ports3 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 quantityDiffers	0	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 type	Gigabit Ethernet	Gigabit Ethernet
LAN controllerKnown for one	Realtek RTL8111G	Unknown — not stated by the source
Features2 differ
Component for	PC	PC
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipset family	Intel	Intel
Motherboard chipsetDiffers	Intel® B85	Intel H77
Audio chip	Realtek ALC887	Realtek ALC887
Audio output channels	7.1 channels	7.1 channels
Cooling typeKnown for one	Passive	Unknown — not stated by the source
Power source type	ATX	ATX
Windows operating systems supported	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	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 slots1 differ
PCI Express x1 (Gen 2.x) slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 (Gen 2.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express slots version	2.0, 3.0	2.0, 3.0
PCI slotsDiffers	3	1
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	2
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	1
BIOS3 differ
BIOS typeDiffers	UEFI AMI	EFI AMI
BIOS memory sizeDiffers	16 Mbit	64 Mbit
ACPI versionDiffers	4.0a	2.0a
Clear CMOS jumper	Yes	Yes
Processor special featuresidentical
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	305 mm	244 mm
DepthDiffers	208 mm	174 mm
Packaging contentidentical
Cables includedKnown for one	SATA	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	ASUS Utilities, EZ Update, Anti-virus software	Unknown — not stated by the source
Other featuresidentical
Quick installation guide	Yes	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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