Product comparison · 2 motherboards

GIGABYTE GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX vs MSI A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX

40specifications compared
18differ
22identical
19known for one product only

Key differences

The GIGABYTE GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX has 1 more USB 2.0 connectors than the MSI A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX (3 vs 2). The GIGABYTE GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX has 4 more USB 2.0 ports quantity than the MSI A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX (8 vs 4). The GIGABYTE GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX has 1 more firewire (IEEE 1394) ports than the MSI A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX (1 vs 0). Only the MSI A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX has on-board graphics card. Processor socket: Socket AM3 on the GIGABYTE GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX, Socket FM1 on the MSI A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX.

Processor socket
- GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX:Socket AM3
- A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX:Socket FM1
Supported memory clock speeds
- GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX:1066,1333,1600,1866 MHz
- A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX:1066,1333,1600 MHz
Parallel processing technology support
- GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX:Not supported
- A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX:Hybrid CrossFireX
On-board graphics card
- GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX:No
- A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX:Yes
USB 2.0 connectors
- GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX:3
- A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX:2
USB 2.0 ports quantity
- GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX:8
- A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX:4
Firewire (IEEE 1394) ports
- GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX:1
- A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX:0
VGA (D-Sub) ports quantity
- GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX:0
- A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX:1

Side by side

Differences highlightedShow differences only

Comparison of GA-970A-UD3, A75MA-G55
59 specifications	A GIGABYTE GA-970A-UD3 motherboard AMD 970 Socket AM3 ATX Model GA-970A-UD3 View product	B MSI A75MA-G55 motherboard AMD A75 Socket FM1 micro ATX Model A75MA-G55 View product
Processor1 differ
Processor socketDiffers	Socket AM3	Socket FM1
Compatible processor seriesKnown for one	AMD Phenom II X2, AMD Phenom II X4, AMD Phenom II X6	Unknown — not stated by the source
Memory1 differ
Supported memory clock speedsDiffers	1066,1333,1600,1866 MHz	1066,1333,1600 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Storage controllersidentical
RAID levelsKnown for one	0, 1, 5, 10, JBOD	Unknown — not stated by the source
Graphics2 differ
Parallel processing technology supportDiffers	Not supported	Hybrid CrossFireX
On-board graphics cardDiffers	No	Yes
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	2048 MB
Internal I/O1 differ
USB 2.0 connectorsDiffers	3	2
S/PDIF out connectorKnown for one	Yes	Unknown — not stated by the source
Power fan connectorKnown for one	Yes	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
Number of IEEE1394 connectorsKnown for one	1	Unknown — not stated by the source
TPM connectorKnown for one	Yes	Unknown — not stated by the source
Number of chassis fan connectorsKnown for one	Unknown — not stated by the source	1
Chassis intrusion connectorKnown for one	Unknown — not stated by the source	Yes
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	1
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers	8	4
Firewire (IEEE 1394) portsDiffers	1	0
VGA (D-Sub) ports quantityDiffers	0	1
HDMI ports quantityDiffers	0	1
DVI-D ports quantityDiffers	0	1
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Microphone inKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Ethernet interface typeDiffers	Gigabit Ethernet	Fast Ethernet, Gigabit Ethernet
Features4 differ
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipsetDiffers	AMD 970	AMD A75
Motherboard southbridgeKnown for one	AMD SB950	Unknown — not stated by the source
Audio chipDiffers	Realtek ALC889	Realtek ALC887
Compatible operating systemsDiffers	Windows XP, Vista, 7	Windows
Expansion slots2 differ
PCI Express x1 slotsDiffers	3	1
PCI slotsDiffers	2	1
BIOSidentical
BIOS typeKnown for one	AWARD	Unknown — not stated by the source
BIOS memory sizeKnown for one	64 Mbit	Unknown — not stated by the source
ACPI versionKnown for one	1.0b	Unknown — not stated by the source
Weight & dimensions1 differ
WidthDiffers	305 mm	244 mm
Packaging contentidentical
Bundled softwareKnown for one	Norton Internet Security	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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