Product comparison · 2 motherboards

ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX vs ASUS P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX

80specifications compared
17differ
63identical
7known for one product only

Key differences

The ASUS P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX has 672 MB more maximum graphics card memory than the ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX (1696 MB vs 1024 MB). The ASUS P8H77-M Intel H77 LGA 1155 (Socket H2) micro 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 ASUS P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX has 1 more SATA III connectors than the ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX (2 vs 1). Only the ASUS P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX has S/PDIF out port. Motherboard chipset: Intel B75 on the ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX, Intel H77 on the ASUS P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX.

Maximum graphics card memory
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:1024 MB
- P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX:1696 MB
USB 2.0 connectors
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:2
- P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX:3
Number of SATA III connectors
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:1
- P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX:2
Number of SATA II connectors
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:5
- P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX:4
Number of chassis fan connectors
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:2
- P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX:1
PS/2 ports quantity
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:2
- P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX:1
S/PDIF out port
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:No
- P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX:Yes
Motherboard chipset
- P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX:Intel B75
- P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX:Intel H77

Side by side

Differences highlightedShow differences only

Comparison of P8B75-M, P8H77-M
87 specifications	A ASUS P8B75-M Intel B75 LGA 1155 (Socket H2) micro ATX Model P8B75-M View product	B ASUS P8H77-M Intel H77 LGA 1155 (Socket H2) micro ATX Model P8H77-M View product
Storage controllersidentical
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Graphics2 differ
Maximum graphics card memoryDiffers	1024 MB	1696 MB
Parallel processing technology supportDiffers	LucidLogix Virtu	2-Way CrossFireX, LucidLogix Virtu, Quad-GPU CrossFireX
Internal I/O4 differ
USB 2.0 connectorsDiffers	2	3
Number of SATA III connectorsDiffers	1	2
Number of SATA II connectorsDiffers	5	4
Number of chassis fan connectorsDiffers	2	1
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports2 differ
PS/2 ports quantityDiffers	2	1
S/PDIF out portDiffers	No	Yes
Networkidentical
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111F
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Features2 differ
Motherboard chipsetDiffers	Intel B75	Intel H77
Audio chipDiffers	VIA VT1708S	Realtek ALC887
Expansion slots3 differ
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsDiffers	1	2
PCI Express configurationsDiffers	1x16	1x4, 1x16
PCI slotsDiffers	2	1
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
BIOS1 differ
BIOS memory sizeDiffers	16 Mbit	64 Mbit
Weight & dimensions2 differ
WidthDiffers	244 mm	245 mm
DepthDiffers	226 mm	245 mm
Other features1 differ
Controller interface typeDiffers	Intel B75	Intel H77

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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