Product comparison · 2 motherboards

ASUS B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX vs MSI H81M-E33 Intel® H81 LGA 1150 (Socket H3) micro ATX

44specifications compared
13differ
31identical
29known for one product only

Key differences

Processor socket
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:LGA 1155 (Socket H2)
- H81M-E33 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-E33 Intel® H81 LGA 1150 (Socket H3) micro ATX:2
Maximum graphics card memory
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:1024 MB
- H81M-E33 Intel® H81 LGA 1150 (Socket H3) micro ATX:1760 MB
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:1
- H81M-E33 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-E33 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-E33 Intel® H81 LGA 1150 (Socket H3) micro ATX:2
Number of chassis fan connectors
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:1
- H81M-E33 Intel® H81 LGA 1150 (Socket H3) micro ATX:2
DVI-D ports quantity
- B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX:1
- H81M-E33 Intel® H81 LGA 1150 (Socket H3) micro ATX:0

Side by side

Differences highlightedShow differences only

Comparison of B75M-Plus, H81M-E33
73 specifications	A ASUS B75M-Plus Intel B75 LGA 1155 (Socket H2) micro ATX Model B75M-Plus View product	B MSI H81M-E33 Intel® H81 LGA 1150 (Socket H3) micro ATX Model H81M-E33 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®
Intel Core i3/i5/i7/i9 seriesKnown for one	Unknown — not stated by the source	i3-4xxx, i5-4xxx, i7-4xxx
Memory2 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 сompatibilityKnown for one	Non-ECC	Unknown — not stated by the source
Supported memory clock speedsDiffers	1066,1333,1600,1866,2000,2133,2200 MHz	1066,1333,1600 MHz
Maximum internal memory	32 GB	32 GB
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Storage controllersidentical
Supported storage drive interfaces	SATA II, SATA III	SATA II, SATA III
Graphics1 differ
Maximum graphics card memoryDiffers	1024 MB	1760 MB
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
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
DirectX versionKnown for one	Unknown — not stated by the source	11
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 connectorsKnown for one	6	Unknown — not stated by the source
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 connectorsDiffers	1	2
Chassis intrusion connector	Yes	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
Power fan connectorKnown for one	Unknown — not stated by the source	Yes
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports1 differ
USB 2.0 ports quantity	4	4
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 quantity	2	2
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	1	1
DVI-D ports quantityDiffers	1	0
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
Cooling typeKnown for one	Unknown — not stated by the source	Passive
Expansion slotsidentical
PCI Express x1 (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 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	1
BIOSidentical
BIOS typeKnown for one	AMI	Unknown — not stated by the source
BIOS memory sizeKnown for one	64 Mbit	Unknown — not stated by the source
ACPI versionKnown for one	2.0a	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	226 mm	173 mm
DepthDiffers	198 mm	226 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
Processor special featuresidentical
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Other featuresidentical
Number of processors supportedKnown for one	Unknown — not stated by the source	1
PCI Express slots quantityKnown for one	Unknown — not stated by the source	2
Processor front side busKnown for one	Unknown — not stated by the source	100 MHz
Serial port via internal headerKnown 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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