Product comparison · 2 motherboards

GIGABYTE B660M AORUS PRO AX vs GIGABYTE Z790I AORUS ULTRA (rev. 1.0)

61specifications compared
22differ
39identical
23known for one product only

Key differences

Maximum number of SMP processors
- B660M AORUS PRO AX:1
- Z790I AORUS ULTRA (rev. 1.0):2
Number of memory slots
- B660M AORUS PRO AX:4
- Z790I AORUS ULTRA (rev. 1.0):2
ECC сompatibility
- B660M AORUS PRO AX:ECC & Non-ECC
- Z790I AORUS ULTRA (rev. 1.0):Non-ECC
Maximum internal memory
- B660M AORUS PRO AX:128 GB
- Z790I AORUS ULTRA (rev. 1.0):96 GB
RAID levels
- B660M AORUS PRO AX:0, 1, 5, 10
- Z790I AORUS ULTRA (rev. 1.0):0, 1
Parallel processing technology support
- B660M AORUS PRO AX:2-Way CrossFireX, CrossFire
- Z790I AORUS ULTRA (rev. 1.0):Not supported
USB 2.0 connectors
- B660M AORUS PRO AX:2
- Z790I AORUS ULTRA (rev. 1.0):0
Number of SATA III connectors
- B660M AORUS PRO AX:4
- Z790I AORUS ULTRA (rev. 1.0):2

Side by side

Differences highlightedShow differences only

Comparison of B660M AORUS PRO AX, Z790I AORUS ULTRA (rev. 1.0)
84 specifications	A GIGABYTE B660M AORUS PRO AX View product	B GIGABYTE Z790I AORUS ULTRA (rev. 1.0)View product
Processor2 differ
Compatible processor seriesDiffers	Intel® Celeron®, Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7, Intel® Core™ i9, Intel® Pentium®	Intel® Celeron®, Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7, Intel® Core™ i9, Intel® Pentium® Gold
Maximum number of SMP processorsDiffers	1	2
Supported processor socketsKnown for one	Unknown — not stated by the source	LGA 1700
Memory4 differ
Number of memory slotsDiffers	4	2
ECC сompatibilityDiffers	ECC & Non-ECC	Non-ECC
Supported memory clock speedsDiffers	5200,5400,5600 MHz	4400,4800,5000,5200,5400,5600,5800,6000,6200,6400,6600,6800,7000,7200,7400,7600,7800,8000 MHz
Maximum internal memoryDiffers	128 GB	96 GB
Supported memory clock speed (max)Known for one	Unknown — not stated by the source	8000 MHz
Storage controllers1 differ
RAID levelsDiffers	0, 1, 5, 10	0, 1
Graphics1 differ
Parallel processing technology supportDiffers	2-Way CrossFireX, CrossFire	Not supported
Maximum resolutionKnown for one	4096 x 2304 pixels	Unknown — not stated by the source
HDCPKnown for one	Yes	Unknown — not stated by the source
Internal I/O3 differ
USB 2.0 connectorsDiffers	2	0
Number of SATA III connectorsDiffers	4	2
Front panel connectorKnown for one	Yes	Unknown — not stated by the source
Number of chassis fan connectorsDiffers	3	1
Serial port headersKnown for one	1	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers	4	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers	1	3
DisplayPort versionKnown for one	1.2	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Digital audio optical outKnown for one	1	Unknown — not stated by the source
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	2
Network3 differ
Top Wi-Fi standardDiffers	Wi-Fi 6 (802.11ax)	Wi-Fi 6E (802.11ax)
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)
Bluetooth versionDiffers	5.2	5.3
Features3 differ
Motherboard form factorDiffers	micro ATX	mini ITX
Motherboard chipsetDiffers	Intel B660	Intel Z790 Express
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
PC health monitoringKnown for one	Fan, Temperature, Voltage	Unknown — not stated by the source
Windows operating systems supportedDiffers	Windows 10 x64, Windows 11 x64	Windows 10, Windows 11
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC4080
Power source typeKnown for one	Unknown — not stated by the source	ATX
Expansion slotsidentical
PCI Express x16 slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 (Gen 5.x) slotsKnown for one	Unknown — not stated by the source	1
BIOSidentical
ACPI versionKnown for one	5.0	Unknown — not stated by the source
System Management BIOS (SMBIOS) versionKnown for one	2.7	Unknown — not stated by the source
Clear CMOS buttonKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	244 mm	170 mm
DepthDiffers	244 mm	170 mm
Packaging contentidentical
Bundled softwareKnown for one	Norton Internet Security, cFosSpeed	Unknown — not stated by the source
User guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Packaging contentKnown for one	Unknown — not stated by the source	Cables 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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