Product comparison · 2 motherboards

GIGABYTE GA-H55-USB3 (rev. 2.0) vs GIGABYTE GA-P55-UD6 (rev. 1.0)

46specifications compared
17differ
29identical
16known for one product only

Key differences

Number of memory slots
- GA-H55-USB3 (rev. 2.0):4
- GA-P55-UD6 (rev. 1.0):6
USB 2.0 connectors
- GA-H55-USB3 (rev. 2.0):3
- GA-P55-UD6 (rev. 1.0):2
Number of SATA II connectors
- GA-H55-USB3 (rev. 2.0):7
- GA-P55-UD6 (rev. 1.0):10
USB 2.0 ports quantity
- GA-H55-USB3 (rev. 2.0):4
- GA-P55-UD6 (rev. 1.0):8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- GA-H55-USB3 (rev. 2.0):2
- GA-P55-UD6 (rev. 1.0):0
PS/2 ports quantity
- GA-H55-USB3 (rev. 2.0):2
- GA-P55-UD6 (rev. 1.0):1
Firewire (IEEE 1394) ports
- GA-H55-USB3 (rev. 2.0):1
- GA-P55-UD6 (rev. 1.0):2
VGA (D-Sub) ports quantity
- GA-H55-USB3 (rev. 2.0):1
- GA-P55-UD6 (rev. 1.0):0

Side by side

Differences highlightedShow differences only

Comparison of GA-H55-USB3 (rev. 2.0), GA-P55-UD6 (rev. 1.0)
62 specifications	A GIGABYTE GA-H55-USB3 (rev. 2.0)View product	B GIGABYTE GA-P55-UD6 (rev. 1.0)View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 1156 (Socket H)	LGA 1156 (Socket H)
Compatible processor series	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7
Memory2 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Number of memory slotsDiffers	4	6
Memory voltage	1.5 V	1.5 V
ECC сompatibilityKnown for one	Non-ECC	Unknown — not stated by the source
Supported memory clock speedsDiffers	800,1066,1333,1666 MHz	800,1066,1333,1600,2200,2600 MHz
Maximum internal memory	16 GB	16 GB
Supported memory module capacitiesKnown for one	1GB, 2GB, 4GB	Unknown — not stated by the source
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Controller typeKnown for one	Unknown — not stated by the source	ITE IT8720
Storage controllersidentical
Supported storage drive interfaces	SATA II	SATA II
RAID levels	0, 1	0, 1
Graphicsidentical
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
Internal I/O2 differ
USB 2.0 connectorsDiffers	3	2
Number of SATA II connectorsDiffers	7	10
S/PDIF out connector	Yes	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectorsKnown for one	2	Unknown — not stated by the source
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Number of IEEE1394 connectorsKnown for one	1	Unknown — not stated by the source
Front panel audio connectorKnown for one	Unknown — not stated by the source	Yes
Power fan connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports8 differ
USB 2.0 ports quantityDiffers	4	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	1	1
PS/2 ports quantityDiffers	2	1
Firewire (IEEE 1394) portsDiffers	1	2
VGA (D-Sub) ports quantityDiffers	1	0
HDMI ports quantityDiffers	1	0
DVI-D ports quantityDiffers	1	0
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Headphone outputsDiffers	3	2
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
Network1 differ
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
LAN controllerKnown for one	Realtek RTL8111E	Unknown — not stated by the source
Networking featuresDiffers	Gigabit Ethenet	Gigabit Ethernet
Features1 differ
Component for	PC	PC
Motherboard form factor	ATX	ATX
Motherboard chipset family	Intel	Intel
Motherboard chipsetDiffers	Intel® H55	Intel® P55
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Compatible operating systems	Microsoft Windows 7/Vista/XP	Microsoft Windows 7/Vista/XP
Expansion slots3 differ
PCI Express x1 slotsDiffers	1	2
PCI Express x16 slotsDiffers	1	3
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
PCI slotsDiffers	3	2
BIOSidentical
BIOS type	AWARD	AWARD
ACPI version	1.0b	1.0b
Clear CMOS button	Yes	Yes
Weight & dimensionsidentical
Width	305 mm	305 mm
Depth	244 mm	244 mm
Packaging contentidentical
Bundled softwareKnown for one	Norton Internet Security	Unknown — not stated by the source
Other featuresidentical
S/PDIF in connector	Yes	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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