Product comparison · 2 motherboards

MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX vs MSI B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX

37specifications compared
15differ
22identical
24known for one product only

Key differences

The MSI B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX has 2 more memory slots than the MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX (4 vs 2). The MSI B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX has 16 GB more maximum internal memory than the MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX (32 GB vs 16 GB). The MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX has 1 more USB 2.0 connectors than the MSI B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX (3 vs 2). Processor manufacturer: AMD on the MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX, Intel on the MSI B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX. Processor socket: Socket FM1 on the MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX, LGA 1155 (Socket H2) on the MSI B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX.

Processor manufacturer
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:AMD
- B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX:Intel
Processor socket
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:Socket FM1
- B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX:LGA 1155 (Socket H2)
Number of memory slots
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:2
- B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX:4
Maximum internal memory
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:16 GB
- B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX:32 GB
Supported storage drive interfaces
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:SATA, SATA II
- B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX:SATA II, SATA III
Graphics card family
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:AMD
- B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX:Intel
USB 2.0 connectors
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:3
- B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX:2
Number of SATA II connectors
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:6
- B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX:5

Side by side

Differences highlightedShow differences only

Comparison of A55M-P33, B75MA-P45
61 specifications	A MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX Model A55M-P33 View product	B MSI B75MA-P45 Intel B75 LGA 1155 (Socket H2) micro ATX Model B75MA-P45 View product
Processor3 differ
Processor manufacturerDiffers	AMD	Intel
Processor socketDiffers	Socket FM1	LGA 1155 (Socket H2)
Compatible processor seriesDiffers	AMD A, AMD E	Intel® Celeron®, Intel® Pentium®
Maximum number of SMP processorsKnown for one	1	Unknown — not stated by the source
Memory3 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Number of memory slotsDiffers	2	4
Memory slots type	DIMM	DIMM
Memory voltageKnown for one	1.5 V	Unknown — not stated by the source
Supported memory clock speedsDiffers	1066,1333,1600 MHz	1066,1333,1600,1800,2000,2200,2400 MHz
Maximum internal memoryDiffers	16 GB	32 GB
Supported memory module capacitiesKnown for one	1GB, 2GB, 4GB, 8GB	Unknown — not stated by the source
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Storage controllers1 differ
Supported storage drive interfacesDiffers	SATA, SATA II	SATA II, SATA III
Graphics1 differ
Parallel processing technology support	Not supported	Not supported
On-board graphics card	Yes	Yes
Graphics card familyDiffers	AMD	Intel
Graphics cardKnown for one	Unknown — not stated by the source	HD Graphics
DirectX versionKnown for one	Unknown — not stated by the source	11
Internal I/O2 differ
USB 2.0 connectorsDiffers	3	2
Number of SATA II connectorsDiffers	6	5
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	2	Unknown — not stated by the source
Chassis intrusion connector	Yes	Yes
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Parallel connector	Yes	Yes
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for one	Unknown — not stated by the source	1
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	1
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports1 differ
USB 2.0 ports quantityDiffers	6	2
Ethernet LAN (RJ-45) ports	1	1
PS/2 ports quantity	2	2
VGA (D-Sub) ports quantity	1	1
DVI-D ports quantity	1	1
Headphone outputsKnown for one	3	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	4
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
Features2 differ
Component for	PC	PC
Motherboard form factor	micro ATX	micro ATX
Motherboard chipset familyDiffers	AMD	Intel
Motherboard chipsetDiffers	AMD A55	Intel B75
Audio chipKnown for one	Realtek ALC887	Unknown — not stated by the source
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
Overclocking featuresKnown for one	OC Genie II	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 slots	1	1
PCI Express x16 slots	1	1
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
PCI slots	1	1
BIOSidentical
BIOS type	UEFI	UEFI
Weight & dimensions2 differ
WidthDiffers	216 mm	225 mm
DepthDiffers	226 mm	244 mm
Packaging contentidentical
Drivers includedKnown 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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