Product comparison · 2 motherboards

GIGABYTE GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX vs MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX

48specifications compared
19differ
29identical
38known for one product only

Key differences

The GIGABYTE GA-H77M-D3H motherboard 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 GIGABYTE GA-H77M-D3H motherboard 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 2 more SATA II connectors than the GIGABYTE GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX (6 vs 4). Processor manufacturer: Intel on the GIGABYTE GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX, AMD on the MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX. Processor socket: LGA 1155 (Socket H2) on the GIGABYTE GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX, Socket FM1 on the MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX.

Processor manufacturer
- GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX:Intel
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:AMD
Processor socket
- GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX:LGA 1155 (Socket H2)
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:Socket FM1
Number of memory slots
- GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX:4
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:2
Maximum internal memory
- GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX:32 GB
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:16 GB
Supported memory module capacities
- GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX:16GB, 1GB, 2GB, 4GB, 8GB
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:1GB, 2GB, 4GB, 8GB
Supported storage drive interfaces
- GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX:SATA II, SATA III
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:SATA, SATA II
Parallel processing technology support
- GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX:2-Way CrossFireX
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:Not supported
Graphics card family
- GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX:Intel
- A55M-P33 motherboard AMD A55 Socket FM1 micro ATX:AMD

Side by side

Differences highlightedShow differences only

Comparison of GA-H77M-D3H, A55M-P33
86 specifications	A GIGABYTE GA-H77M-D3H motherboard LGA 1155 (Socket H2) micro ATX Model GA-H77M-D3H View product	B MSI A55M-P33 motherboard AMD A55 Socket FM1 micro ATX Model A55M-P33 View product
Processor3 differ
Processor manufacturerDiffers	Intel	AMD
Processor socketDiffers	LGA 1155 (Socket H2)	Socket FM1
Compatible processor seriesDiffers	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7	AMD A, AMD E
Maximum number of SMP processors	1	1
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Memory3 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Number of memory slotsDiffers	4	2
Memory slots type	DIMM	DIMM
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Memory voltage	1.5 V	1.5 V
ECC сompatibilityKnown for one	ECC & Non-ECC	Unknown — not stated by the source
Supported memory clock speeds	1066,1333,1600 MHz	1066,1333,1600 MHz
Maximum internal memoryDiffers	32 GB	16 GB
Supported memory module capacitiesDiffers	16GB, 1GB, 2GB, 4GB, 8GB	1GB, 2GB, 4GB, 8GB
Unbuffered memoryKnown for one	Unknown — not stated by the source	Yes
Storage controllers1 differ
Supported storage drive interfacesDiffers	SATA II, SATA III	SATA, SATA II
RAID levelsKnown for one	0, 1, 5, 10	Unknown — not stated by the source
Graphics2 differ
Maximum graphics card memoryKnown for one	1696 MB	Unknown — not stated by the source
Parallel processing technology supportDiffers	2-Way CrossFireX	Not supported
On-board graphics card	Yes	Yes
Graphics card familyDiffers	Intel	AMD
Graphics cardKnown for one	HD Graphics	Unknown — not stated by the source
HDCPKnown for one	Yes	Unknown — not stated by the source
OpenGL versionKnown for one	3.2	Unknown — not stated by the source
DirectX versionKnown for one	11	Unknown — not stated by the source
Discrete graphics supportKnown for one	Yes	Unknown — not stated by the source
Internal I/O1 differ
USB 2.0 connectors	3	3
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for one	1	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	2	Unknown — not stated by the source
Number of SATA II connectorsDiffers	4	6
Number of Parallel ATA connectorsKnown for one	0	Unknown — not stated by the source
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 connectors	1	1
CPU fan connector	Yes	Yes
Number of chassis fan connectors	2	2
Chassis intrusion connector	Yes	Yes
Parallel connector	Yes	Yes
TPM connectorKnown for one	Yes	Unknown — not stated by the source
Number of COM connectorsKnown for one	Unknown — not stated by the source	1
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers	4	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	2	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
PS/2 ports quantityDiffers	1	2
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	0	1
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DVI-D ports quantity	1	1
Headphone outputs	3	3
Microphone in	Yes	Yes
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Wi-Fi standardsKnown for one	Not supported	Unknown — not stated by the source
BluetoothKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	10/100/1000 Mbit/sec	Unknown — not stated by the source
Features2 differ
Component for	PC	PC
Motherboard form factor	micro ATX	micro ATX
Motherboard chipset familyDiffers	Intel	AMD
Audio chipDiffers	VIA VT2021	Realtek ALC887
Audio output channels	7.1 channels	7.1 channels
PC health monitoringKnown for one	CPU, Fan, Temperature	Unknown — not stated by the source
Cooling type	Passive	Passive
Power source type	ATX	ATX
Compatible operating systemsKnown for one	Windows 7/XP	Unknown — not stated by the source
Motherboard chipsetKnown for one	Unknown — not stated by the source	AMD A55
Overclocking featuresKnown for one	Unknown — not stated by the source	OC Genie II
Expansion slots1 differ
PCI Express x1 slots	1	1
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slots	1	1
PCI Express slots versionDiffers	2.0, 3.0	2.0
PCI slots	1	1
BIOS1 differ
BIOS typeDiffers	EFI AMI	UEFI
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
Clear CMOS jumperKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	244 mm	216 mm
DepthDiffers	220 mm	226 mm
Packaging contentidentical
Cables includedKnown for one	SATA	Unknown — not stated by the source
Drivers included	Yes	Yes
Other featuresidentical
Dual Link DVIKnown for one	Yes	Unknown — not stated by the source
Controller interface typeKnown for one	Intel H77	Unknown — not stated by the source
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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