Product comparison · 2 motherboards

ASUS M4A77 AMD 770 Socket AM3 ATX vs GIGABYTE GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX

34specifications compared
18differ
16identical
15known for one product only

Key differences

Processor manufacturer
- M4A77 AMD 770 Socket AM3 ATX:AMD
- GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX:Intel
Processor socket
- M4A77 AMD 770 Socket AM3 ATX:Socket AM3
- GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX:LGA 1156 (Socket H)
ECC сompatibility
- M4A77 AMD 770 Socket AM3 ATX:ECC & Non-ECC
- GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX:Non-ECC
RAID levels
- M4A77 AMD 770 Socket AM3 ATX:0, 1, 0+1, JBOD
- GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX:0, 1, 10
USB 2.0 connectors
- M4A77 AMD 770 Socket AM3 ATX:3
- GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX:2
Number of SATA connectors
- M4A77 AMD 770 Socket AM3 ATX:6
- GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX:8
USB 2.0 ports quantity
- M4A77 AMD 770 Socket AM3 ATX:6
- GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX:8
eSATA ports quantity
- M4A77 AMD 770 Socket AM3 ATX:0
- GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX:2

Side by side

Differences highlightedShow differences only

Comparison of M4A77, GA-P55A-UD4
49 specifications	A ASUS M4A77 AMD 770 Socket AM3 ATX Model M4A77 View product	B GIGABYTE GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX Model GA-P55A-UD4 View product
Processor2 differ
Processor manufacturerDiffers	AMD	Intel
Processor socketDiffers	Socket AM3	LGA 1156 (Socket H)
Memory1 differ
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
ECC сompatibilityDiffers	ECC & Non-ECC	Non-ECC
Storage controllers1 differ
RAID levelsDiffers	0, 1, 0+1, JBOD	0, 1, 10
Internal I/O2 differ
USB 2.0 connectorsDiffers	3	2
Number of SATA connectorsDiffers	6	8
CD/AUX audio inKnown for one	Unknown — not stated by the source	Yes
Number of IEEE1394 connectorsKnown for one	Unknown — not stated by the source	1
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers	6	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	2
eSATA ports quantityDiffers	0	2
Firewire (IEEE 1394) portsDiffers	0	2
Headphone outputsKnown for one	Unknown — not stated by the source	6
Microphone inKnown for one	Unknown — not stated by the source	Yes
COM ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantityKnown for one	1	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Gigabit	10/100/1000 Mbit
LAN controllerKnown for one	Realtek RTL8112L	Unknown — not stated by the source
Features2 differ
Motherboard chipsetDiffers	AMD 770	Intel® P55
Audio chipDiffers	VIA VT1818S	Realtek ALC889
Compatible operating systemsKnown for one	Unknown — not stated by the source	Win 7, Vista, XP
Expansion slots3 differ
PCI Express x1 slotsDiffers	1	3
PCI Express x16 slotsDiffers	1	2
PCI slotsDiffers	3	2
BIOS1 differ
BIOS memory sizeDiffers	64 Mbit	32 Mbit
Weight & dimensions2 differ
WidthDiffers	306 mm	305 mm
DepthDiffers	214 mm	244 mm
Packaging contentidentical
Bundled softwareKnown for one	Unknown — not stated by the source	Norton Internet Security
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
S/PDIF in connectorKnown for one	Unknown — not stated by the source	Yes
S/PDIF in portKnown for one	Unknown — not stated by the source	Yes
Floppy disk drive connectorKnown 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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