Product comparison · 2 motherboards

ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX vs MSI Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX

67specifications compared
19differ
48identical
26known for one product only

Key differences

The MSI Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX has 736 MB more maximum graphics card memory than the ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX (1760 MB vs 1024 MB). The MSI Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX has 1 more USB 2.0 connectors than the ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX (3 vs 2). The MSI Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX has 3 more SATA III connectors than the ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX (4 vs 1). Only the ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX has CPU fan connector. Only the MSI Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX has S/PDIF out port.

Maximum graphics card memory
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:1024 MB
- Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX:1760 MB
Parallel processing technology support
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:LucidLogix Virtu
- Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX:2-Way SLI
USB 2.0 connectors
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:2
- Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX:3
Number of SATA III connectors
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:1
- Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX:4
Number of SATA II connectors
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:5
- Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX:4
CPU fan connector
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:Yes
- Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX:No
Number of chassis fan connectors
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:2
- Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX:4
PS/2 ports quantity
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:2
- Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX:1

Side by side

Differences highlightedShow differences only

Comparison of P8B75-M, Z77A-GD80
93 specifications	A ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX Model P8B75-M View product	B MSI Z77A-GD80 motherboard LGA 1155 (Socket H2) ATX Model Z77A-GD80 View product
Memory1 differ
Memory slots typeKnown for one	DIMM	Unknown — not stated by the source
Supported memory clock speedsDiffers	1066,1333,1600,1800,1866,2000,2133,2200 MHz	1066,1333,1600,1866,2133,2400,2600 MHz
Storage controllersidentical
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Graphics2 differ
Maximum graphics card memoryDiffers	1024 MB	1760 MB
Parallel processing technology supportDiffers	LucidLogix Virtu	2-Way SLI
Maximum resolutionKnown for one	2048 x 1536 pixels	Unknown — not stated by the source
Discrete graphics supportKnown for one	Yes	Unknown — not stated by the source
Internal I/O5 differ
USB 2.0 connectorsDiffers	2	3
Number of SATA III connectorsDiffers	1	4
Number of SATA II connectorsDiffers	5	4
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
CPU fan connectorDiffers	Yes	No
Number of chassis fan connectorsDiffers	2	4
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Parallel connectorKnown for one	Yes	Unknown — not stated by the source
TPM connectorKnown for one	Yes	Unknown — not stated by the source
Chassis intrusion connectorKnown for one	Unknown — not stated by the source	Yes
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Number of IEEE1394 connectorsKnown for one	Unknown — not stated by the source	1
Rear panel I/O ports3 differ
PS/2 ports quantityDiffers	2	1
Headphone outputsDiffers	3	6
S/PDIF out portDiffers	No	Yes
Digital audio optical outKnown for one	Unknown — not stated by the source	1
Network1 differ
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking featuresDiffers	Gigabit LAN	10/100/1000 Mbit/sec
LAN controllerKnown for one	Unknown — not stated by the source	Intel® 82579V
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Features2 differ
Motherboard form factorDiffers	micro ATX	ATX
Motherboard chipsetKnown for one	Intel B75	Unknown — not stated by the source
Audio chipDiffers	VIA VT1708S	Realtek ALC898
Expansion slots1 differ
PCI Express configurationsKnown for one	1x16	Unknown — not stated by the source
PCI Express slots versionDiffers	2.0, 3.0	3.0
PCI slotsKnown for one	2	Unknown — not stated by the source
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	4
PCI Express x8 slotsKnown for one	Unknown — not stated by the source	1
BIOS1 differ
BIOS typeDiffers	EFI AMI	UEFI
BIOS memory sizeKnown for one	16 Mbit	Unknown — not stated by the source
ACPI versionKnown for one	2.0a	Unknown — not stated by the source
Clear CMOS buttonKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	244 mm	305 mm
DepthDiffers	226 mm	245 mm
Other features1 differ
Controller interface typeDiffers	Intel B75	Intel Z77
Controller 2nd interface typeKnown for one	Unknown — not stated by the source	ASMedia ASM 1061

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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