Product comparison · 2 motherboards

GIGABYTE GA-870A-UD3 (REV. 2.0) vs MSI Z68A-G45 (B3)

44specifications compared
23differ
21identical
26known for one product only

Key differences

Processor manufacturer
- GA-870A-UD3 (REV. 2.0):AMD
- Z68A-G45 (B3):Intel
Processor socket
- GA-870A-UD3 (REV. 2.0):Socket AM3
- Z68A-G45 (B3):LGA 1155 (Socket H2)
Supported memory clock speeds
- GA-870A-UD3 (REV. 2.0):1066,1333,1866 MHz
- Z68A-G45 (B3):1066,1333,1600,1866,2133 MHz
Maximum internal memory
- GA-870A-UD3 (REV. 2.0):16 GB
- Z68A-G45 (B3):32 GB
Parallel processing technology support
- GA-870A-UD3 (REV. 2.0):Not supported
- Z68A-G45 (B3):2-Way SLI
USB 2.0 connectors
- GA-870A-UD3 (REV. 2.0):2
- Z68A-G45 (B3):4
Number of SATA III connectors
- GA-870A-UD3 (REV. 2.0):6
- Z68A-G45 (B3):2
Number of SATA II connectors
- GA-870A-UD3 (REV. 2.0):2
- Z68A-G45 (B3):4

Side by side

Differences highlightedShow differences only

Comparison of GA-870A-UD3 (REV. 2.0), Z68A-G45 (B3)
70 specifications	A GIGABYTE GA-870A-UD3 (REV. 2.0)View product	B MSI Z68A-G45 (B3)View product
Processor3 differ
Processor manufacturerDiffers	AMD	Intel
Processor socketDiffers	Socket AM3	LGA 1155 (Socket H2)
Compatible processor seriesDiffers	Athlon II	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7
Memory2 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Number of memory slots	4	4
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Memory voltage	1.5 V	1.5 V
Supported memory clock speedsDiffers	1066,1333,1866 MHz	1066,1333,1600,1866,2133 MHz
Maximum internal memoryDiffers	16 GB	32 GB
Supported memory module capacitiesKnown for one	Unknown — not stated by the source	1GB, 2GB, 4GB, 8GB
Storage controllersidentical
Supported storage drive interfaces	SATA II, SATA III	SATA II, SATA III
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Graphics1 differ
Parallel processing technology supportDiffers	Not supported	2-Way SLI
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Internal I/O4 differ
USB 2.0 connectorsDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for one	Unknown — not stated by the source	1
Number of SATA III connectorsDiffers	6	2
Number of SATA II connectorsDiffers	2	4
Number of Parallel ATA connectorsDiffers	1	0
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio inKnown for one	Unknown — not stated by the source	No
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectorsKnown for one	Unknown — not stated by the source	1
CPU fan connector	Yes	Yes
Number of chassis fan connectorsKnown for one	Unknown — not stated by the source	4
Chassis intrusion connectorKnown for one	Unknown — not stated by the source	Yes
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Number of SATA connectorsKnown for one	8	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Known for one	1	Unknown — not stated by the source
Number of IEEE1394 connectorsKnown for one	1	Unknown — not stated by the source
Parallel connectorKnown for one	Yes	Unknown — not stated by the source
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers	8	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 quantityDiffers	2	0
PS/2 ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	2	0
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
HDMI ports quantityDiffers	0	1
DVI-D ports quantityDiffers	0	1
Headphone outputsDiffers	2	1
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
Digital audio optical outKnown for one	Unknown — not stated by the source	1
Networkidentical
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111E
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Features2 differ
Component for	PC	PC
Motherboard form factor	ATX	ATX
Motherboard chipset familyDiffers	AMD	Intel
Motherboard chipsetDiffers	AMD 870 (RX881)	Intel Z68
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC892
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Motherboard southbridgeKnown for one	AMD SB850	Unknown — not stated by the source
Compatible operating systemsKnown for one	Microsoft Windows 7/ Vista/ XP	Unknown — not stated by the source
Expansion slots2 differ
PCI Express x1 slotsDiffers	2	3
PCI Express x16 slots	2	2
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
PCI slotsDiffers	3	2
BIOS1 differ
BIOS typeDiffers	AWARD	UEFI
Clear CMOS button	Yes	Yes
ACPI versionKnown for one	1.0b	Unknown — not stated by the source
Weight & dimensions1 differ
Width	305 mm	305 mm
DepthDiffers	230 mm	244 mm
Other features1 differ
S/PDIF in portDiffers	Yes	No
Controller interface typeKnown for one	Unknown — not stated by the source	Intel Z68 (B3)
S/PDIF in connectorKnown for one	Yes	Unknown — not stated by the source
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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