Product comparison · 2 motherboards

ASUS B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX vs ASUS H81M-A Intel® H81 LGA 1150 (Socket H3) micro ATX

58specifications compared
16differ
42identical
10known for one product only

Key differences

Processor socket
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:LGA 1155 (Socket H2)
- H81M-A Intel® H81 LGA 1150 (Socket H3) micro ATX:LGA 1150 (Socket H3)
Number of memory slots
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:4
- H81M-A Intel® H81 LGA 1150 (Socket H3) micro ATX:2
Maximum internal memory
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:32 GB
- H81M-A Intel® H81 LGA 1150 (Socket H3) micro ATX:16 GB
Maximum resolution
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:2048 x 1536 pixels
- H81M-A Intel® H81 LGA 1150 (Socket H3) micro ATX:4096 x 2160 pixels
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:1
- H81M-A Intel® H81 LGA 1150 (Socket H3) micro ATX:0
Number of SATA III connectors
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:1
- H81M-A Intel® H81 LGA 1150 (Socket H3) micro ATX:2
Number of SATA II connectors
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:5
- H81M-A Intel® H81 LGA 1150 (Socket H3) micro ATX:2
Number of SATA connectors
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:6
- H81M-A Intel® H81 LGA 1150 (Socket H3) micro ATX:4

Side by side

Differences highlightedShow differences only

Comparison of B75M-Plus, H81M-A
68 specifications	A ASUS B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX Model B75M-Plus View product	B ASUS H81M-A Intel® H81 LGA 1150 (Socket H3) micro ATX Model H81M-A View product
Processor2 differ
Processor manufacturer	Intel	Intel
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 1150 (Socket H3)
Compatible processor seriesDiffers	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7	Intel® Celeron®, Intel® Pentium®
Memory3 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 speedsDiffers	1066,1333,1600,1866,2000,2133,2200 MHz	1066,1333,1600 MHz
Maximum internal memoryDiffers	32 GB	16 GB
Unbuffered memory	Yes	Yes
Storage controllersidentical
Supported storage drive interfaces	SATA II, SATA III	SATA II, SATA III
Graphics1 differ
Maximum graphics card memory	1024 MB	1024 MB
Parallel processing technology support	Not supported	Not supported
Maximum resolutionDiffers	2048 x 1536 pixels	4096 x 2160 pixels
Discrete graphics support	Yes	Yes
Internal I/O4 differ
USB 2.0 connectors	2	2
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	1	0
Number of SATA III connectorsDiffers	1	2
Number of SATA II connectorsDiffers	5	2
Number of SATA connectorsDiffers	6	4
Number of Parallel ATA connectors	0	0
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectors	1	1
CPU fan connector	Yes	Yes
Number of chassis fan connectors	1	1
Chassis intrusion connector	Yes	Yes
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	2
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Parallel connectorKnown for one	Yes	Unknown — not stated by the source
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers	4	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	4
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	0	0
PS/2 ports quantity	2	2
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
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
LAN controller	Realtek RTL8111G	Realtek RTL8111G
Features1 differ
Component for	PC	PC
Motherboard form factor	micro ATX	micro ATX
Motherboard chipset family	Intel	Intel
Motherboard chipsetDiffers	Intel B75	Intel® H81
Audio chip	Realtek ALC887	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 slots1 differ
PCI Express x1 (Gen 2.x) slotsDiffers	1	2
PCI Express x16 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	1	Unknown — not stated by the source
BIOS1 differ
BIOS typeDiffers	AMI	UEFI AMI
BIOS memory size	64 Mbit	64 Mbit
ACPI version	2.0a	2.0a
Clear CMOS jumperKnown for one	Unknown — not stated by the source	Yes
Processor special featuresidentical
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
Width	226 mm	226 mm
DepthDiffers	198 mm	175 mm
Packaging contentidentical
Cables included	SATA	SATA
Drivers included	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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