Product comparison · 2 motherboards

ASUS M4A77T/USB3 AMD 770 Socket AM3 ATX vs ASUS P7H55-M/USB3 LGA 1156 (Socket H) micro ATX

40specifications compared
14differ
26identical
11known for one product only

Key differences

Processor manufacturer
- M4A77T/USB3 AMD 770 Socket AM3 ATX:AMD
- P7H55-M/USB3 LGA 1156 (Socket H) micro ATX:Intel
Processor socket
- M4A77T/USB3 AMD 770 Socket AM3 ATX:Socket AM3
- P7H55-M/USB3 LGA 1156 (Socket H) micro ATX:LGA 1156 (Socket H)
ECC сompatibility
- M4A77T/USB3 AMD 770 Socket AM3 ATX:ECC & Non-ECC
- P7H55-M/USB3 LGA 1156 (Socket H) micro ATX:Non-ECC
Number of SATA connectors
- M4A77T/USB3 AMD 770 Socket AM3 ATX:6
- P7H55-M/USB3 LGA 1156 (Socket H) micro ATX:8
PS/2 ports quantity
- M4A77T/USB3 AMD 770 Socket AM3 ATX:2
- P7H55-M/USB3 LGA 1156 (Socket H) micro ATX:1
VGA (D-Sub) ports quantity
- M4A77T/USB3 AMD 770 Socket AM3 ATX:0
- P7H55-M/USB3 LGA 1156 (Socket H) micro ATX:1
HDMI ports quantity
- M4A77T/USB3 AMD 770 Socket AM3 ATX:0
- P7H55-M/USB3 LGA 1156 (Socket H) micro ATX:1
LAN controller
- M4A77T/USB3 AMD 770 Socket AM3 ATX:Realtek RTL8112L
- P7H55-M/USB3 LGA 1156 (Socket H) micro ATX:Realtek RTL8111E

Side by side

Differences highlightedShow differences only

Comparison of M4A77T/USB3, P7H55-M/USB3
51 specifications	A ASUS M4A77T/USB3 AMD 770 Socket AM3 ATX Model M4A77T/USB3 View product	B ASUS P7H55-M/USB3 LGA 1156 (Socket H) micro ATX Model P7H55-M/USB3 View product
Processor2 differ
Processor manufacturerDiffers	AMD	Intel
Processor socketDiffers	Socket AM3	LGA 1156 (Socket H)
Memory1 differ
Number of memory slots	4	4
ECC сompatibilityDiffers	ECC & Non-ECC	Non-ECC
Maximum internal memory	16 GB	16 GB
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	1748 MB
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Internal I/O1 differ
USB 2.0 connectors	3	3
Number of SATA connectorsDiffers	6	8
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 connectorsKnown for one	Unknown — not stated by the source	1
Chassis intrusion connector	Yes	Yes
Number of COM connectorsKnown for one	Unknown — not stated by the source	1
Number of Parallel ATA connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports3 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 quantityDiffers	2	1
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantityDiffers	0	1
HDMI ports quantityDiffers	0	1
DVI-D ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
COM ports quantityKnown for one	1	Unknown — not stated by the source
Network2 differ
LAN controllerDiffers	Realtek RTL8112L	Realtek RTL8111E
Networking featuresDiffers	10/100/1000 Mbps	Gigabit LAN
Features2 differ
Motherboard form factorDiffers	ATX	micro ATX
Audio chipDiffers	VIA VT1708S	Realtek ALC887
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Motherboard chipsetKnown for one	AMD 770	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x1 slots	2	2
PCI Express x16 slots	1	1
PCI slotsDiffers	3	1
BIOSidentical
BIOS type	AMI	AMI
BIOS memory size	64 Mbit	64 Mbit
ACPI version	2.0	2.0
Weight & dimensions2 differ
WidthDiffers	305 mm	244 mm
DepthDiffers	213 mm	229 mm
Packaging contentidentical
Drivers included	Yes	Yes
Other featuresidentical
Controller 2nd interface typeKnown for one	Unknown — not stated by the source	SATA 6.0 Gb/s
Controller interface typeKnown for one	Unknown — not stated by the source	SATA 3.0 Gb/s
Manageability featuresKnown for one	Unknown — not stated by the source	WfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE
Storage controllersidentical
RAID levelsKnown for one	0, 1, 10, JBOD	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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