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Product comparison · 2 motherboards

ASUS M5A78L-M LX vs ASUS Sabertooth 990FX

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  • 48specifications compared
  • 26differ
  • 22identical
  • 26known for one product only

Key differences

The ASUS Sabertooth 990FX has 2 more memory slots than the ASUS M5A78L-M LX (4 vs 2). The ASUS Sabertooth 990FX has 24 GB more maximum internal memory than the ASUS M5A78L-M LX (32 GB vs 8 GB). The ASUS M5A78L-M LX has 1 more USB 2.0 connectors than the ASUS Sabertooth 990FX (3 vs 2). Only the ASUS M5A78L-M LX has on-board graphics card. Supported memory clock speeds: 1066,1600,1800 MHz on the ASUS M5A78L-M LX, 1066,1333,1600,1866 MHz on the ASUS Sabertooth 990FX.

  • Number of memory slots
    • 2
    • 4
  • Supported memory clock speeds
    • 1066,1600,1800 MHz
    • 1066,1333,1600,1866 MHz
  • Maximum internal memory
    • 8 GB
    • 32 GB
  • RAID levels
    • 0, 1, 10, JBOD
    • 0, 1, 5, 10
  • On-board graphics card
    • Yes
    • No
  • USB 2.0 connectors
    • 3
    • 2
  • Number of chassis fan connectors
    • 1
    • 4
  • USB 2.0 ports quantity
    • 4
    • 10

Side by side

Differences highlightedShow differences only
74 specifications
A

ASUS

M5A78L-M LXView product
B

ASUS

Sabertooth 990FXView product
Processor1 differ
Compatible processor seriesDiffersAMD Phenom II X2, AMD Phenom II X4, AMD Phenom II X6AMD Phenom II X2, AMD Phenom II X3, AMD Phenom II X4, AMD Phenom II X6
System bus rateKnown for one5.2 GT/s
Memory3 differ
Supported memory typesKnown for oneDDR3-SDRAM
Number of memory slotsDiffers24
Supported memory clock speedsDiffers1066,1600,1800 MHz1066,1333,1600,1866 MHz
Maximum internal memoryDiffers8 GB32 GB
Storage controllers1 differ
Supported storage drive interfacesKnown for oneSATA
RAID levelsDiffers0, 1, 10, JBOD0, 1, 5, 10
Graphics2 differ
Parallel processing technology supportDiffersHybrid CrossFireXQuad-GPU CrossFireX, Quad-GPU SLI
On-board graphics cardDiffersYesNo
Maximum graphics card memoryKnown for one1024 MB
Graphics card familyKnown for oneAMD
Graphics cardKnown for oneRadeon 3000
Internal I/O2 differ
USB 2.0 connectorsDiffers32
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for one1
Number of SATA III connectorsKnown for one6
Number of SATA II connectorsKnown for one2
Number of EATX power connectorsKnown for one1
Number of chassis fan connectorsDiffers14
Number of COM connectorsKnown for one1
Number of IEEE1394 connectorsKnown for one1
Number of SATA connectorsKnown for one6
Chassis intrusion connectorKnown for oneYes
Rear panel I/O ports7 differ
USB 2.0 ports quantityDiffers410
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers02
eSATA ports quantityDiffers02
PS/2 ports quantityDiffers21
Firewire (IEEE 1394) portsDiffers01
VGA (D-Sub) ports quantityDiffers10
Headphone outputsDiffers21
S/PDIF out portKnown for oneYes
Parallel ports quantityKnown for one1
Serial ports quantityKnown for one1
Features4 differ
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyKnown for oneAMD
Motherboard chipsetDiffersAMD 760GAMD 990FX
Motherboard southbridgeDiffersAMD SB710AMD SB950
Audio chipDiffersRealtek ALC887Realtek ALC892
Compatible operating systemsKnown for oneDOS Windows XP Windows XP 64bit Windows Vista 32bit Windows Vista 64bit Windows 7 Windows 7 64bit
Expansion slots2 differ
PCI Express x1 slotsDiffers21
PCI Express x16 slotsDiffers14
PCI Express slots versionKnown for one2.0
BIOS2 differ
BIOS typeDiffersAMIUEFI
BIOS memory sizeDiffers16 Mbit32 Mbit
Clear CMOS buttonKnown for oneYes
Weight & dimensions2 differ
WidthDiffers244 mm305 mm
DepthDiffers203 mm244 mm
Packaging contentidentical
Cables includedKnown for oneSATA
Trial softwareKnown for oneAntivirus
Bundled softwareKnown for oneASUS PC Probe II ASUS Update
Other featuresidentical
Controller 2nd interface typeKnown for oneJMicron JMB362
Controller interface typeKnown for oneAMD SB950

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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