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Product comparison · 2 motherboards

ASUS M3A78 PRO vs GIGABYTE GA-EP45-EXTREME S775 P45 ATX

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  • 36specifications compared
  • 15differ
  • 21identical
  • 21known for one product only

Key differences

The GIGABYTE GA-EP45-EXTREME S775 P45 ATX has 8 GB more maximum internal memory than the ASUS M3A78 PRO (16 GB vs 8 GB). The GIGABYTE GA-EP45-EXTREME S775 P45 ATX has 6 more USB 2.0 connectors than the ASUS M3A78 PRO (10 vs 4). The GIGABYTE GA-EP45-EXTREME S775 P45 ATX has 1 more chassis fan connectors than the ASUS M3A78 PRO (2 vs 1). Processor manufacturer: AMD on the ASUS M3A78 PRO, Intel on the GIGABYTE GA-EP45-EXTREME S775 P45 ATX. Processor socket: Socket AM2 on the ASUS M3A78 PRO, LGA 775 (Socket T) on the GIGABYTE GA-EP45-EXTREME S775 P45 ATX.

  • Processor manufacturer
    • AMD
    • Intel
  • Processor socket
    • Socket AM2
    • LGA 775 (Socket T)
  • Maximum internal memory
    • 8 GB
    • 16 GB
  • USB 2.0 connectors
    • 4
    • 10
  • Number of chassis fan connectors
    • 1
    • 2
  • USB 2.0 ports quantity
    • 4
    • 8
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • VGA (D-Sub) ports quantity
    • 1
    • 0

Side by side

Differences highlightedShow differences only
57 specifications
A

ASUS

M3A78 PROView product
B

GIGABYTE

GA-EP45-EXTREME S775 P45 ATXView product
Processor2 differ
Processor manufacturerDiffersAMDIntel
Processor socketDiffersSocket AM2LGA 775 (Socket T)
Memory1 differ
Number of memory slots44
ECC сompatibilityKnown for oneECC & Non-ECC
Maximum internal memoryDiffers8 GB16 GB
Memory voltageKnown for one1.8 V
Graphicsidentical
Maximum graphics card memoryKnown for one256 MB
Graphics cardKnown for oneRadeon HD 3200
Internal I/O2 differ
USB 2.0 connectorsDiffers410
Number of SATA connectors66
Number of Parallel ATA connectors11
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
CD/AUX audio inYesYes
ATX Power connector (24-pin)YesYes
Power fan connectorYesYes
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers12
Chassis intrusion connectorYesYes
Number of COM connectorsKnown for one1
Number of IEEE1394 connectorsKnown for one1
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers48
Ethernet LAN (RJ-45) portsDiffers12
eSATA ports quantity00
PS/2 ports quantity22
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantityDiffers10
DVI-D ports quantity00
Headphone outputsDiffers16
Microphone inYesYes
S/PDIF out portYesYes
COM ports quantityKnown for one0
Modem (RJ-11) portsKnown for one0
Network1 differ
Networking featuresDiffersGigabit LAN10/100/1000 Mbit
LAN controllerKnown for oneRealtek RTL8111C
Features1 differ
Motherboard form factorATXATX
Motherboard chipsetKnown for oneAMD 780G
Audio chipDiffersRealtek ALC1200Realtek ALC889A
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Overclocking featuresKnown for onePrecision Tweaker, SFS, ASUS C.P.R.
Compatible operating systemsKnown for oneMicrosoft/ Windows/ Vista/XP
Expansion slots2 differ
PCI Express x1 slotsDiffers21
PCI Express x16 slotsDiffers12
PCI slotsKnown for one3
PCI Express x4 slotsKnown for one1
Expansion slotsKnown for one2 x PCI Express x16 1 x PCI Express x4 1 x PCI Express x1 3 x PCI
BIOSidentical
BIOS memory size64 Mbit64 Mbit
BIOS typeKnown for oneAWARD
Weight & dimensionsidentical
WidthKnown for one305 mm
DepthKnown for one244 mm
Packaging content1 differ
Drivers includedKnown for oneYes
Bundled softwareDiffers- Express Gate - ASUS PC Probe II - ASUS Update - AMD AOD - Anti-virus software (OEM version)Norton Internet Security (OEM version)
Other featuresidentical
Floppy disk drive connectorYesYes
Special featuresKnown for one1 x HDMI to DVI Convertor 2 in 1 Q-connector
Storage controllersidentical
RAID levelsKnown for one0, 1, 10

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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