Product comparison · 2 motherboards

GIGABYTE GA-870A-UD3 (REV. 2.0) vs GIGABYTE GA-A75N-USB3 motherboard AMD A75 Socket FM1 mini ITX

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  • 44specifications compared
  • 24differ
  • 20identical
  • 19known for one product only

Key differences

  • Processor socket
    • GA-870A-UD3 (REV. 2.0):Socket AM3
    • GA-A75N-USB3 motherboard AMD A75 Socket FM1 mini ITX:Socket FM1
  • Compatible processor series
    • GA-870A-UD3 (REV. 2.0):Athlon II
    • GA-A75N-USB3 motherboard AMD A75 Socket FM1 mini ITX:AMD A, AMD E2
  • Number of memory slots
    • GA-870A-UD3 (REV. 2.0):4
    • GA-A75N-USB3 motherboard AMD A75 Socket FM1 mini ITX:2
  • Supported memory clock speeds
    • GA-870A-UD3 (REV. 2.0):1066,1333,1866 MHz
    • GA-A75N-USB3 motherboard AMD A75 Socket FM1 mini ITX:1066,1333,1600,1866 MHz
  • Maximum internal memory
    • GA-870A-UD3 (REV. 2.0):16 GB
    • GA-A75N-USB3 motherboard AMD A75 Socket FM1 mini ITX:32 GB
  • Supported storage drive interfaces
    • GA-870A-UD3 (REV. 2.0):SATA II, SATA III
    • GA-A75N-USB3 motherboard AMD A75 Socket FM1 mini ITX:SATA III
  • USB 2.0 connectors
    • GA-870A-UD3 (REV. 2.0):2
    • GA-A75N-USB3 motherboard AMD A75 Socket FM1 mini ITX:1
  • Number of SATA III connectors
    • GA-870A-UD3 (REV. 2.0):6
    • GA-A75N-USB3 motherboard AMD A75 Socket FM1 mini ITX:4

Side by side

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Comparison of GA-870A-UD3 (REV. 2.0), GA-A75N-USB3
63 specifications
Processor2 differ
Processor manufacturerAMDAMD
Processor socketDiffersSocket AM3Socket FM1
Compatible processor seriesDiffersAthlon IIAMD A, AMD E2
Memory3 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slotsDiffers42
Memory voltage1.5 V1.5 V
Supported memory clock speedsDiffers1066,1333,1866 MHz1066,1333,1600,1866 MHz
Maximum internal memoryDiffers16 GB32 GB
Memory channelsKnown for oneUnknown — not stated by the sourceDual-channel
Storage controllers1 differ
Supported storage drive interfacesDiffersSATA II, SATA IIISATA III
RAID levelsKnown for oneUnknown — not stated by the source0, 1, 10, JBOD
Graphicsidentical
Parallel processing technology supportNot supportedNot supported
On-board graphics cardKnown for oneUnknown — not stated by the sourceNo
Internal I/O4 differ
USB 2.0 connectorsDiffers21
Number of SATA III connectorsDiffers64
Number of SATA II connectorsDiffers20
Number of SATA connectorsKnown for one8Unknown — not stated by the source
Number of Parallel ATA connectorsDiffers10
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Peripheral (Molex) power connectors (4-pin)11
Number of IEEE1394 connectorsKnown for one1Unknown — not stated by the source
Parallel connectorKnown for oneYesUnknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for oneUnknown — not stated by the source0
Power fan connectorKnown for oneUnknown — not stated by the sourceYes
Chassis intrusion connectorKnown for oneUnknown — not stated by the sourceYes
Rear panel I/O ports8 differ
USB 2.0 ports quantityDiffers82
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
Ethernet LAN (RJ-45) ports11
eSATA ports quantityDiffers21
PS/2 ports quantityDiffers10
Firewire (IEEE 1394) portsDiffers20
HDMI ports quantityDiffers01
DVI-D ports quantityDiffers01
Headphone outputsDiffers21
Microphone inYesYes
S/PDIF out portYesYes
VGA (D-Sub) ports quantityKnown for oneUnknown — not stated by the source0
Networkidentical
Ethernet interface typeGigabit EthernetGigabit Ethernet
Networking featuresGigabit EthernetGigabit Ethernet
Features3 differ
Component forKnown for onePCUnknown — not stated by the source
Motherboard form factorDiffersATXmini ITX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD 870 (RX881)AMD A75
Motherboard southbridgeKnown for oneAMD SB850Unknown — not stated by the source
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Compatible operating systemsDiffersMicrosoft Windows 7/ Vista/ XPWindows 7/XP/Vista
Expansion slots1 differ
PCI Express x1 slotsKnown for one2Unknown — not stated by the source
PCI Express x16 slotsDiffers21
PCI slotsKnown for one3Unknown — not stated by the source
BIOSidentical
BIOS typeAWARDAWARD
ACPI version1.0b1.0b
Clear CMOS buttonKnown for oneYesUnknown — not stated by the source
BIOS memory sizeKnown for oneUnknown — not stated by the source64 Mbit
Clear CMOS jumperKnown for oneUnknown — not stated by the sourceYes
Weight & dimensions2 differ
WidthDiffers305 mm170 mm
DepthDiffers230 mm170 mm
Packaging contentidentical
Bundled softwareNorton Internet SecurityNorton Internet Security
Other featuresidentical
S/PDIF in connectorKnown for oneYesUnknown — not stated by the source
S/PDIF in portKnown for oneYesUnknown — 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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