Product comparison · 2 motherboards

ASUS A55BM-E AMD A55 FCH Socket FM2+ micro ATX vs ASUS H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX

48specifications compared
17differ
31identical
22known for one product only

Key differences

Processor manufacturer
- A55BM-E AMD A55 FCH Socket FM2+ micro ATX:AMD
- H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX:Intel
Processor socket
- A55BM-E AMD A55 FCH Socket FM2+ micro ATX:Socket FM2+
- H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX:LGA 1150 (Socket H3)
Supported memory clock speeds
- A55BM-E AMD A55 FCH Socket FM2+ micro ATX:1333,1600,1866,2133 MHz
- H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX:1066,1333,1600 MHz
Maximum internal memory
- A55BM-E AMD A55 FCH Socket FM2+ micro ATX:32 GB
- H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX:16 GB
Supported storage drive interfaces
- A55BM-E AMD A55 FCH Socket FM2+ micro ATX:SATA, SATA II
- H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX:SATA II, SATA III
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- A55BM-E AMD A55 FCH Socket FM2+ micro ATX:0
- H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX:1
Number of SATA III connectors
- A55BM-E AMD A55 FCH Socket FM2+ micro ATX:0
- H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX:2
Number of SATA II connectors
- A55BM-E AMD A55 FCH Socket FM2+ micro ATX:6
- H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX:2

Side by side

Differences highlightedShow differences only

Comparison of A55BM-E, H81M2
70 specifications	A ASUS A55BM-E AMD A55 FCH Socket FM2+ micro ATX Model A55BM-E View product	B ASUS H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX Model H81M2 View product
Processor3 differ
Processor manufacturerDiffers	AMD	Intel
Processor socketDiffers	Socket FM2+	LGA 1150 (Socket H3)
Compatible processor seriesDiffers	AMD A	Intel® Celeron®, Intel® Pentium®
Maximum number of SMP processors	1	1
Memory2 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Memory slots type	DIMM	DIMM
Memory channels	Dual-channel	Dual-channel
ECC сompatibility	Non-ECC	Non-ECC
Supported memory clock speedsDiffers	1333,1600,1866,2133 MHz	1066,1333,1600 MHz
Maximum internal memoryDiffers	32 GB	16 GB
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Number of memory slotsKnown for one	Unknown — not stated by the source	2
Storage controllers1 differ
Supported storage drive interfacesDiffers	SATA, SATA II	SATA II, SATA III
RAID levelsKnown for one	0, 1, 10, JBOD	Unknown — not stated by the source
Graphicsidentical
Maximum graphics card memoryKnown for one	2048 MB	Unknown — not stated by the source
Graphics card familyKnown for one	AMD	Unknown — not stated by the source
Maximum resolutionKnown for one	2560 x 1600 pixels	Unknown — not stated by the source
Discrete graphics supportKnown for one	Yes	Unknown — not stated by the source
Parallel processing technology supportKnown for one	Unknown — not stated by the source	Not supported
Internal I/O3 differ
USB 2.0 connectors	2	2
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	0	1
Number of SATA III connectorsDiffers	0	2
Number of SATA II connectorsDiffers	6	2
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	1	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)	1	1
Number of COM connectors	1	1
Parallel connectorKnown for one	Yes	Unknown — not stated by the source
Chassis intrusion 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 ports2 differ
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	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 quantityDiffers	1	0
HDMI ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
DVI-D ports quantityKnown for one	Unknown — not stated by the source	1
DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
LAN controller	Realtek RTL8111G	Realtek RTL8111G
Features2 differ
Component for	PC	PC
Motherboard form factor	micro ATX	micro ATX
Motherboard chipset familyDiffers	AMD	Intel
Motherboard chipsetDiffers	AMD A55 FCH	Intel® H81
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) slots	1	1
PCI Express x16 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
PCI slotsDiffers	1	2
PCI Express x16 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	1
BIOS1 differ
BIOS type	UEFI AMI	UEFI AMI
BIOS memory size	64 Mbit	64 Mbit
ACPI versionDiffers	4.0a	2.0a
Weight & dimensions2 differ
WidthDiffers	231 mm	244 mm
DepthDiffers	183 mm	198 mm
Packaging contentidentical
Cables includedKnown for one	SATA	Unknown — not stated by the source
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Quick installation guideKnown for one	Yes	Unknown — not stated by the source

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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