Product comparison · 2 motherboards

MSI B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX vs MSI X79A-GD45 Plus

Add a product
  • 60specifications compared
  • 23differ
  • 37identical
  • 39known for one product only

Key differences

The MSI X79A-GD45 Plus has 6 more memory slots than the MSI B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX (8 vs 2). The MSI X79A-GD45 Plus has 112 GB more maximum internal memory than the MSI B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX (128 GB vs 16 GB). The MSI X79A-GD45 Plus has 1 more SATA III connectors than the MSI B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX (2 vs 1). Processor socket: LGA 1155 (Socket H2) on the MSI B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX, LGA 2011 (Socket R) on the MSI X79A-GD45 Plus. Compatible processor series: Intel® Celeron®, Intel® Pentium® on the MSI B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX, Intel® Core™ i7 on the MSI X79A-GD45 Plus.

  • Processor socket
    • B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:LGA 1155 (Socket H2)
    • X79A-GD45 Plus:LGA 2011 (Socket R)
  • Number of memory slots
    • B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:2
    • X79A-GD45 Plus:8
  • Memory channels
    • B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:Dual-channel
    • X79A-GD45 Plus:Quad-channel
  • Maximum internal memory
    • B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:16 GB
    • X79A-GD45 Plus:128 GB
  • Number of SATA III connectors
    • B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:1
    • X79A-GD45 Plus:2
  • Number of SATA II connectors
    • B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:3
    • X79A-GD45 Plus:4
  • Number of chassis fan connectors
    • B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:2
    • X79A-GD45 Plus:4
  • USB 2.0 ports quantity
    • B75MA-P33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:4
    • X79A-GD45 Plus:6

Side by side

Differences highlightedShow differences only (on)
Comparison of B75MA-P33, X79A-GD45 Plus
99 specifications
Processor2 differ
Processor socketDiffersLGA 1155 (Socket H2)LGA 2011 (Socket R)
Compatible processor seriesDiffersIntel® Celeron®, Intel® Pentium®Intel® Core™ i7
Intel Core i3/i5/i7/i9 seriesKnown for onei3-2xxx, i3-3xxx, i5-2xxx, i5-3xxx, i5-xxx, i7-2xxx, i7-3xxxUnknown — not stated by the source
Memory4 differ
Number of memory slotsDiffers28
Memory channelsDiffersDual-channelQuad-channel
Memory voltageKnown for oneUnknown — not stated by the source1.5 V
ECC сompatibilityKnown for oneUnknown — not stated by the sourceNon-ECC
Supported memory clock speedsDiffers1066,1333,1600 MHz1066,1333,1600,1866,2133,2400 MHz
Maximum internal memoryDiffers16 GB128 GB
Unbuffered memoryKnown for oneUnknown — not stated by the sourceYes
Supported memory module capacitiesKnown for one2GB, 4GB, 8GBUnknown — not stated by the source
Storage controllersidentical
RAID levelsKnown for oneUnknown — not stated by the source0, 1, 5, 10
Graphics1 differ
Parallel processing technology supportDiffersNot supported2-Way CrossFireX, 2-Way SLI, 3-Way CrossFireX, 3-Way SLI
On-board graphics cardKnown for oneUnknown — not stated by the sourceNo
Graphics card familyKnown for oneIntelUnknown — not stated by the source
Maximum resolutionKnown for one2048 x 1536 pixelsUnknown — not stated by the source
DirectX versionKnown for one11Unknown — not stated by the source
Discrete graphics supportKnown for oneYesUnknown — not stated by the source
Internal I/O3 differ
Number of SATA III connectorsDiffers12
Number of SATA II connectorsDiffers34
S/PDIF out connectorKnown for oneUnknown — not stated by the sourceYes
Number of chassis fan connectorsDiffers24
EPS power connector (8-pin)Known for oneUnknown — not stated by the sourceYes
Serial port headersKnown for oneUnknown — not stated by the source1
Number of SATA connectorsKnown for one4Unknown — not stated by the source
Number of EATX power connectorsKnown for one1Unknown — not stated by the source
Number of COM connectorsKnown for one1Unknown — not stated by the source
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers46
PS/2 ports quantityDiffers12
VGA (D-Sub) ports quantityDiffers10
DVI-D ports quantityDiffers10
DVI-I ports quantityKnown for oneUnknown — not stated by the source0
Headphone outputsDiffers16
S/PDIF out portKnown for oneUnknown — not stated by the sourceYes
Digital audio optical outKnown for oneUnknown — not stated by the source1
Thunderbolt ports quantityKnown for oneUnknown — not stated by the source0
COM ports quantityKnown for oneUnknown — not stated by the source0
Parallel ports quantityDiffers10
WiFi-AP antenna jackKnown for oneUnknown — not stated by the source0
Modem (RJ-11) portsKnown for oneUnknown — not stated by the source0
Networkidentical
Networking featuresKnown for oneUnknown — not stated by the source10/100/1000 Mbit/sec
Ethernet interface typeKnown for oneGigabit EthernetUnknown — not stated by the source
LAN controllerKnown for oneRealtek RTL8111EUnknown — not stated by the source
Features3 differ
Motherboard form factorDiffersmicro ATXATX
Motherboard chipsetDiffersIntel B75Intel X79
Audio chipDiffersRealtek ALC887Realtek ALC892
Windows operating systems supportedKnown for oneYesUnknown — not stated by the source
Expansion slots2 differ
PCI Express x16 slotsDiffers15
PCI Express configurationsDiffers1x1, 1x161x8, 2x1, 2x16
PCI slotsKnown for one1Unknown — not stated by the source
BIOSidentical
BIOS memory sizeKnown for oneUnknown — not stated by the source64 Mbit
Processor special featuresidentical
Trusted Platform Module (TPM)Known for oneUnknown — not stated by the sourceYes
Weight & dimensions2 differ
WidthDiffers244 mm305 mm
DepthDiffers190 mm244 mm
Other featuresidentical
S/PDIF in portKnown for oneUnknown — not stated by the sourceNo
BIOS switch buttonKnown for oneUnknown — not stated by the sourceYes
Serial port via internal headerKnown for oneUnknown — not stated by the sourceYes
eSATA/USB 2.0 ports quantityKnown for oneUnknown — not stated by the source0
Manageability featuresKnown for oneUnknown — not stated by the sourceWfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE
Controller interface typeKnown for oneIntel B75Unknown — not stated by the source
PCI Express slots quantityKnown for one2Unknown — not stated by the source
Mac operating systems supportedKnown for oneNoUnknown — 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.

More motherboard comparisons

All motherboard comparisons