Product comparison · 2 motherboards

GIGABYTE GA-G31M-ES2C motherboard LGA 775 (Socket T) micro ATX vs GIGABYTE GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX

36specifications compared
19differ
17identical
22known for one product only

Key differences

Processor socket
- GA-G31M-ES2C motherboard LGA 775 (Socket T) micro ATX:LGA 775 (Socket T)
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:LGA 1156 (Socket H)
Number of memory slots
- GA-G31M-ES2C motherboard LGA 775 (Socket T) micro ATX:2
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:4
Memory voltage
- GA-G31M-ES2C motherboard LGA 775 (Socket T) micro ATX:1.8 V
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:1.5 V
Maximum internal memory
- GA-G31M-ES2C motherboard LGA 775 (Socket T) micro ATX:4 GB
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:16 GB
USB 2.0 connectors
- GA-G31M-ES2C motherboard LGA 775 (Socket T) micro ATX:8
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:2
Number of SATA connectors
- GA-G31M-ES2C motherboard LGA 775 (Socket T) micro ATX:4
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:8
USB 2.0 ports quantity
- GA-G31M-ES2C motherboard LGA 775 (Socket T) micro ATX:4
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:8
PS/2 ports quantity
- GA-G31M-ES2C motherboard LGA 775 (Socket T) micro ATX:2
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:1

Side by side

Differences highlightedShow differences only

Comparison of GA-G31M-ES2C, GA-P55A-UD3
58 specifications	A GIGABYTE GA-G31M-ES2C motherboard LGA 775 (Socket T) micro ATX Model GA-G31M-ES2C View product	B GIGABYTE GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX Model GA-P55A-UD3 View product
Processor1 differ
Processor socketDiffers	LGA 775 (Socket T)	LGA 1156 (Socket H)
Memory3 differ
Number of memory slotsDiffers	2	4
Memory voltageDiffers	1.8 V	1.5 V
ECC сompatibilityKnown for one	Unknown — not stated by the source	Non-ECC
Maximum internal memoryDiffers	4 GB	16 GB
Storage controllersidentical
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 10
Internal I/O2 differ
USB 2.0 connectorsDiffers	8	2
Number of SATA connectorsDiffers	4	8
Number of EATX power connectorsKnown for one	Unknown — not stated by the source	0
Number of IEEE1394 connectorsKnown for one	Unknown — not stated by the source	0
Number of Parallel ATA connectorsKnown for one	1	Unknown — not stated by the source
Chassis intrusion connectorKnown for one	Yes	Unknown — not stated by the source
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers	4	8
PS/2 ports quantityDiffers	2	1
VGA (D-Sub) ports quantityDiffers	1	0
Headphone outputsDiffers	3	6
S/PDIF out portDiffers	No	Yes
COM ports quantityKnown for one	Unknown — not stated by the source	0
WiFi-AP antenna jackKnown for one	Unknown — not stated by the source	0
Network1 differ
Networking featuresDiffers	10/100 Mbit	10/100/1000 Mbit
Features3 differ
Motherboard form factorDiffers	micro ATX	ATX
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® P55
Audio chipDiffers	Realtek ALC883	Realtek ALC888
Compatible operating systemsDiffers	Microsoft Windows Vista, XP	Win XP, Vista, 7
Overclocking featuresKnown for one	Unknown — not stated by the source	PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
Expansion slots2 differ
PCI Express x1 slotsDiffers	1	2
PCI Express x16 slotsDiffers	1	2
PCI slotsKnown for one	Unknown — not stated by the source	3
Expansion slotsKnown for one	2 x PCI	Unknown — not stated by the source
BIOSidentical
BIOS memory sizeKnown for one	Unknown — not stated by the source	32 Mbit
BIOS typeKnown for one	AWARD	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	244 mm	305 mm
DepthDiffers	194 mm	244 mm
Packaging contentidentical
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	Norton Internet Security
Trial softwareKnown for one	Norton Internet Security	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
Controller 2nd interface typeKnown for one	Unknown — not stated by the source	ATA-133/100/66/33
Controller interface typeKnown for one	Unknown — not stated by the source	iTE IT8720
Special featuresKnown for one	Unknown — not stated by the source	@BIOS Q-Flash Xpress BIOS Rescue Download Center Xpress Install Xpress Recovery2

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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