Product comparison · 2 motherboards

GIGABYTE B650M K vs GIGABYTE Z790I AORUS ULTRA (rev. 1.0)

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  • 54specifications compared
  • 24differ
  • 30identical
  • 35known for one product only

Key differences

  • Processor manufacturer
    • B650M K:AMD
    • Z790I AORUS ULTRA (rev. 1.0):Intel
  • Processor socket
    • B650M K:Socket AM5
    • Z790I AORUS ULTRA (rev. 1.0):LGA 1700
  • Supported processor sockets
    • B650M K:Socket AM5
    • Z790I AORUS ULTRA (rev. 1.0):LGA 1700
  • Number of memory slots
    • B650M K:4
    • Z790I AORUS ULTRA (rev. 1.0):2
  • Supported memory clock speed (max)
    • B650M K:6400 MHz
    • Z790I AORUS ULTRA (rev. 1.0):8000 MHz
  • Maximum internal memory
    • B650M K:128 GB
    • Z790I AORUS ULTRA (rev. 1.0):96 GB
  • RAID levels
    • B650M K:0, 1, 10
    • Z790I AORUS ULTRA (rev. 1.0):0, 1
  • USB 2.0 connectors
    • B650M K:1
    • Z790I AORUS ULTRA (rev. 1.0):0

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Comparison of B650M K, Z790I AORUS ULTRA (rev. 1.0)
89 specifications
Processor4 differ
Processor manufacturerDiffersAMDIntel
Processor socketDiffersSocket AM5LGA 1700
Compatible processor seriesDiffersAMD Ryzen 2000 Series, AMD Ryzen 3000 Series, AMD Ryzen 5000 Series, AMD Ryzen 7000 SeriesIntel® Celeron®, Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7, Intel® Core™ i9, Intel® Pentium® Gold
Supported processor socketsDiffersSocket AM5LGA 1700
Maximum number of SMP processorsKnown for oneUnknown — not stated by the source2
Memory4 differ
Supported memory typesDDR5-SDRAMDDR5-SDRAM
Number of memory slotsDiffers42
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers4400,4800,5200,5600,6000,6200,6400 MHz4400,4800,5000,5200,5400,5600,5800,6000,6200,6400,6600,6800,7000,7200,7400,7600,7800,8000 MHz
Supported memory clock speed (max)Differs6400 MHz8000 MHz
Maximum internal memoryDiffers128 GB96 GB
Unbuffered memoryYesYes
Storage controllers2 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersM.2, PCI Express 4.0, SATA IIIM.2, SATA III
Number of storage drives supportedKnown for one6Unknown — not stated by the source
RAID supportYesYes
RAID levelsDiffers0, 1, 100, 1
Graphicsidentical
Maximum resolutionKnown for one4096 x 2160 pixelsUnknown — not stated by the source
HDCPKnown for oneYesUnknown — not stated by the source
Number of displays supportedKnown for one3Unknown — not stated by the source
Parallel processing technology supportKnown for oneUnknown — not stated by the sourceNot supported
Internal I/O2 differ
USB 2.0 connectorsDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
USB 3.2 Gen 2 (3.1 Gen 2) connectors11
Number of SATA III connectorsDiffers42
Front panel audio connectorYesYes
Front panel connectorKnown for oneYesUnknown — not stated by the source
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
EPS power connector (8-pin)YesYes
12V power connectorYesYes
Serial port headersKnown for one1Unknown — not stated by the source
TPM connectorKnown for oneYesUnknown — not stated by the source
RGB LED pin headerYesYes
Number of chassis fan connectorsKnown for oneUnknown — not stated by the source1
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers13
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers10
Ethernet LAN (RJ-45) ports11
PS/2 ports quantityKnown for one1Unknown — not stated by the source
VGA (D-Sub) ports quantity00
HDMI ports quantity11
HDMI version2.12.1
DVI-D ports quantity00
DisplayPorts quantityDiffers21
DisplayPort versionKnown for one1.4Unknown — not stated by the source
Headphone outputsKnown for one3Unknown — not stated by the source
Microphone inKnown for oneYesUnknown — not stated by the source
USB connector typeKnown for oneUSB Type-A, USB Type-CUnknown — not stated by the source
USB 3.2 Gen 2x2 Type-C ports quantityKnown for oneUnknown — not stated by the source1
Thunderbolt ports quantityKnown for oneUnknown — not stated by the source2
WiFi-AP antenna jackKnown for oneUnknown — not stated by the source2
Network1 differ
Ethernet LANYesYes
Ethernet interface type2.5 Gigabit Ethernet2.5 Gigabit Ethernet
Wi-FiDiffersNoYes
Top Wi-Fi standardKnown for oneUnknown — not stated by the sourceWi-Fi 6E (802.11ax)
Wi-Fi standardsKnown for oneUnknown — not stated by the source802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)
BluetoothKnown for oneUnknown — not stated by the sourceYes
Bluetooth versionKnown for oneUnknown — not stated by the source5.3
Features4 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXmini ITX
Motherboard chipset familyDiffersAMDIntel
Motherboard chipsetDiffersAMD B650Intel Z790 Express
Audio output channelsKnown for one7.1 channelsUnknown — not stated by the source
PC health monitoringKnown for oneFan, Temperature, VoltageUnknown — not stated by the source
Windows operating systems supportedDiffersWindows 10 x64, Windows 11 x64Windows 10, Windows 11
Audio chipKnown for oneUnknown — not stated by the sourceRealtek ALC4080
Power source typeKnown for oneUnknown — not stated by the sourceATX
Expansion slotsidentical
PCI Express x1 slotsKnown for one1Unknown — not stated by the source
PCI Express x16 slotsKnown for one1Unknown — not stated by the source
Number of M.2 (M) slots22
PCI Express x16 (Gen 5.x) slotsKnown for oneUnknown — not stated by the source1
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size256 Mbit256 Mbit
ACPI versionKnown for one5.0Unknown — not stated by the source
Clear CMOS jumperYesYes
Desktop Management Interface (DMI) version2.72.7
System Management BIOS (SMBIOS) versionKnown for one2.7Unknown — not stated by the source
Clear CMOS buttonKnown for oneUnknown — not stated by the sourceYes
Weight & dimensions2 differ
WidthDiffers244 mm170 mm
DepthDiffers244 mm170 mm
Packaging contentidentical
Cables includedSATASATA
User guideKnown for oneUnknown — not stated by the sourceYes
Drivers includedKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
Packaging contentKnown for oneUnknown — not stated by the sourceCables 2 x SATA 6Gb/s cables 1 x ROG USB2.0 splitter cable 1 x Panel Cable ROG FPS-II Card 1 x ROG FPS-II Card ROG STRIX HIVE 1 x ROG STRIX HIVE 1 x USB Type-C power connection cable Additional Cooling Kit 1 x Thermal pad for M.2 Miscellaneous 1 x ASUS Wi-Fi moving antennas 1 x Cable ties pack 1 x R

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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