Product comparison · 2 motherboards

GIGABYTE B840M D2H (Rev. 1.1) vs GIGABYTE Z690 UD AX (Rev. 1.2)

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  • 81specifications compared
  • 25differ
  • 56identical
  • 19known for one product only

Key differences

The GIGABYTE Z690 UD AX (Rev. 1.2) has 2 more memory slots than the GIGABYTE B840M D2H (Rev. 1.1) (4 vs 2). The GIGABYTE B840M D2H (Rev. 1.1) has 1,600 MHz more supported memory clock speed (max) than the GIGABYTE Z690 UD AX (Rev. 1.2) (7600 MHz vs 6000 MHz). The GIGABYTE Z690 UD AX (Rev. 1.2) has 128 GB more maximum internal memory than the GIGABYTE B840M D2H (Rev. 1.1) (256 GB vs 128 GB). Only the GIGABYTE Z690 UD AX (Rev. 1.2) has Wi-Fi. Processor manufacturer: AMD on the GIGABYTE B840M D2H (Rev. 1.1), Intel on the GIGABYTE Z690 UD AX (Rev. 1.2).

  • Processor manufacturer
    • B840M D2H (Rev. 1.1):AMD
    • Z690 UD AX (Rev. 1.2):Intel
  • Processor socket
    • B840M D2H (Rev. 1.1):Socket AM5
    • Z690 UD AX (Rev. 1.2):LGA 1700
  • Supported processor sockets
    • B840M D2H (Rev. 1.1):Socket AM5
    • Z690 UD AX (Rev. 1.2):LGA 1700
  • Number of memory slots
    • B840M D2H (Rev. 1.1):2
    • Z690 UD AX (Rev. 1.2):4
  • ECC сompatibility
    • B840M D2H (Rev. 1.1):Non-ECC
    • Z690 UD AX (Rev. 1.2):ECC & Non-ECC
  • Supported memory clock speed (max)
    • B840M D2H (Rev. 1.1):7600 MHz
    • Z690 UD AX (Rev. 1.2):6000 MHz
  • Maximum internal memory
    • B840M D2H (Rev. 1.1):128 GB
    • Z690 UD AX (Rev. 1.2):256 GB
  • Number of storage drives supported
    • B840M D2H (Rev. 1.1):6
    • Z690 UD AX (Rev. 1.2):9

Side by side

Differences highlightedShow differences only (on)
Comparison of B840M D2H (Rev. 1.1), Z690 UD AX (Rev. 1.2)
100 specifications
Processor4 differ
Processor manufacturerDiffersAMDIntel
Processor socketDiffersSocket AM5LGA 1700
Compatible processor seriesDiffersAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 SeriesIntel Core i3 14th Gen, Intel Core i5 14th Gen, Intel Core i7 14th Gen, Intel Core i9 14th Gen, Intel Core i3 13th Gen, Intel Core i5 13th Gen, Intel Core i7 13th Gen, Intel Core i9 13th Gen, Intel Core i3 12th Gen, Intel Core i5 12th Gen, Intel Core i7 12th Gen, Intel Core i9 12th Gen, Intel® Penti
Supported processor socketsDiffersSocket AM5LGA 1700
Memory5 differ
Number of memory slotsDiffers24
ECC сompatibilityDiffersNon-ECCECC & Non-ECC
Supported memory clock speedsDiffers7600,7200,7000,6800,6666,6600,6400,6200,6000,5600,5200,4800,4400 MHz6000,5800,5600,5400,5200,4800,4000 MHz
Supported memory clock speed (max)Differs7600 MHz6000 MHz
Maximum internal memoryDiffers128 GB256 GB
Storage controllers1 differ
Number of storage drives supportedDiffers69
Graphics1 differ
Maximum resolutionDiffers4096 x 2160 pixels4096 x 2304 pixels
High Dynamic Range (HDR) supportedKnown for oneYesUnknown — not stated by the source
Internal I/O3 differ
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers12
Number of SATA III connectorsDiffers46
S/PDIF out connectorKnown for oneUnknown — not stated by the sourceYes
Peripheral (Molex) power connectors (4-pin)Known for oneUnknown — not stated by the source1
Serial port headersKnown for oneUnknown — not stated by the source1
Thunderbolt headersKnown for oneUnknown — not stated by the source2
Number of RGB LED pin headersDiffers34
Rear panel I/O ports3 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers01
USB 3.2 Gen 2x2 Type-C ports quantityKnown for oneUnknown — not stated by the source1
DisplayPorts quantityKnown for oneUnknown — not stated by the source1
DisplayPort versionKnown for oneUnknown — not stated by the source1.2
WiFi-AP antenna jackKnown for oneUnknown — not stated by the source2
USB connector typeDiffersUSB Type-AUSB Type-A, USB Type-C
Network1 differ
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)
WLAN controller modelKnown for oneUnknown — not stated by the sourceIntel Wi-Fi 6E AX211
BluetoothKnown for oneUnknown — not stated by the sourceYes
Bluetooth versionKnown for oneUnknown — not stated by the source5.3
Features3 differ
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyDiffersAMDIntel
Motherboard chipsetDiffersAMD B840Intel Z690
Expansion slots3 differ
PCI Express x1 slotsKnown for oneUnknown — not stated by the source3
PCI Express x16 slotsKnown for oneUnknown — not stated by the source1
Number of M.2 (M) slotsDiffers23
1st M.2 largest key sizeDiffers258022110
2nd M.2 highest PCI Express generationDiffers3.04.0
3rd M.2 largest key sizeKnown for oneUnknown — not stated by the source2280
3rd M.2 highest PCI Express generationKnown for oneUnknown — not stated by the source4.0
PCI Express x16 (Gen 4.x) slotsKnown for one1Unknown — not stated by the source
Weight & dimensions1 differ
WidthDiffers244 mm305 mm

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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