Product comparison · 2 motherboards

ASUS PRIME B840M-R vs GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5)

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  • 58specifications compared
  • 23differ
  • 35identical
  • 48known for one product only

Key differences

The GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5) has 2 more memory slots than the ASUS PRIME B840M-R (4 vs 2). The ASUS PRIME B840M-R has 2,867 MHz more supported memory clock speed (max) than the GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5) (7600 MHz vs 4733 MHz). The GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5) has 1 more USB 3.2 Gen 1 (3.1 Gen 1) connectors than the ASUS PRIME B840M-R (2 vs 1). Only the GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5) has Wi-Fi. Processor socket: Socket AM5 on the ASUS PRIME B840M-R, Socket AM4 on the GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5).

  • Processor socket
    • PRIME B840M-R:Socket AM5
    • B550 AORUS ELITE AX V2 (Rev. 1.5):Socket AM4
  • Supported memory types
    • PRIME B840M-R:DDR5-SDRAM
    • B550 AORUS ELITE AX V2 (Rev. 1.5):DDR4-SDRAM
  • Number of memory slots
    • PRIME B840M-R:2
    • B550 AORUS ELITE AX V2 (Rev. 1.5):4
  • ECC сompatibility
    • PRIME B840M-R:Non-ECC
    • B550 AORUS ELITE AX V2 (Rev. 1.5):ECC & Non-ECC
  • Supported memory clock speed (max)
    • PRIME B840M-R:7600 MHz
    • B550 AORUS ELITE AX V2 (Rev. 1.5):4733 MHz
  • RAID levels
    • PRIME B840M-R:0, 1, 5, 10
    • B550 AORUS ELITE AX V2 (Rev. 1.5):0, 1, 10
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • PRIME B840M-R:1
    • B550 AORUS ELITE AX V2 (Rev. 1.5):2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • PRIME B840M-R:4
    • B550 AORUS ELITE AX V2 (Rev. 1.5):3

Side by side

Differences highlightedShow differences only (off)
Comparison of PRIME B840M-R, B550 AORUS ELITE AX V2 (Rev. 1.5)
106 specifications
Processor2 differ
Processor manufacturerAMDAMD
Processor socketDiffersSocket AM5Socket AM4
Compatible processor seriesDiffersAMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 SeriesAMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series
Supported processor socketsKnown for oneUnknown — not stated by the sourceSocket AM4
Memory4 differ
Supported memory typesDiffersDDR5-SDRAMDDR4-SDRAM
Number of memory slotsDiffers24
Memory slots typeDIMMDIMM
Memory slot pin countKnown for oneUnknown — not stated by the source288
Memory channelsDual-channelDual-channel
ECC сompatibilityDiffersNon-ECCECC & Non-ECC
Supported memory clock speedsKnown for oneUnknown — not stated by the source4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz
Supported memory clock speed (max)Differs7600 MHz4733 MHz
Maximum internal memory128 GB128 GB
Unbuffered memoryYesYes
Maximum internal memory per slotKnown for oneUnknown — not stated by the source32 GB
Storage controllers2 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersM.2, SATA IIISATA III, PCI Express 3.0, PCI Express 4.0
Number of storage drives supported66
RAID supportYesYes
RAID levelsDiffers0, 1, 5, 100, 1, 10
Number of HDDs supportedKnown for one4Unknown — not stated by the source
Graphicsidentical
Parallel processing technology supportNot supportedNot supported
Maximum resolutionKnown for oneUnknown — not stated by the source5120 x 2880 pixels
HDCPKnown for oneUnknown — not stated by the sourceYes
HDCP versionKnown for oneUnknown — not stated by the source2.3
High Dynamic Range (HDR) supportedKnown for oneUnknown — not stated by the sourceYes
Internal I/O1 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers12
USB 3.2 Gen 2 (3.1 Gen 2) connectors00
Number of SATA III connectors44
Front panel audio connectorYesYes
Front panel connectorKnown for oneUnknown — not stated by the sourceYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of CPU fan connectors11
EPS power connector (8-pin)YesYes
Number of EPS power connectors (8-pin)Known for oneUnknown — not stated by the source1
12V power connectorYesYes
Number of water pump connectorsKnown for oneUnknown — not stated by the source1
TPM connectorYesYes
RGB LED pin headerKnown for oneUnknown — not stated by the sourceYes
Number of RGB LED pin headersKnown for oneUnknown — not stated by the source5
S/PDIF out connectorKnown for oneYesUnknown — not stated by the source
Number of chassis fan connectorsKnown for one2Unknown — not stated by the source
Number of COM connectorsKnown for one1Unknown — not stated by the source
Rear panel I/O ports3 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers43
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 quantityDiffers02
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantity00
HDMI ports quantity11
HDMI versionKnown for oneUnknown — not stated by the source2.1
DVI-D ports quantity00
DisplayPorts quantity11
DisplayPort versionKnown for oneUnknown — not stated by the source1.4
Headphone outputsDiffers15
Microphone inYesYes
S/PDIF out portKnown for oneUnknown — not stated by the sourceYes
WiFi-AP antenna jackKnown for oneUnknown — not stated by the source2
USB connector typeUSB Type-AUSB Type-A
PS/2 ports quantityKnown for one1Unknown — not stated by the source
Line-inKnown for oneYesUnknown — not stated by the source
Network3 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet, Gigabit Ethernet, Fast Ethernet
Wi-FiDiffersNoYes
Top Wi-Fi standardDiffersNot availableWi-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 sourceRealtek RTL8852CE
BluetoothKnown for oneUnknown — not stated by the sourceYes
Bluetooth versionKnown for oneUnknown — not stated by the source5.2
Features4 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B840AMD B550
Audio output channels7.1 channels7.1 channels
Product colourDiffersMulticolourBlack
PC health monitoringKnown for oneUnknown — not stated by the sourceFan, Voltage, Temperature, Water cooling
Windows operating systems supportedDiffersWindows 11, Windows 10 x64Windows 11 x64, Windows 10 x64
Expansion slots1 differ
PCI Express x1 slotsKnown for oneUnknown — not stated by the source1
PCI Express x16 slotsKnown for oneUnknown — not stated by the source3
Number of M.2 (M) slots22
1st M.2 largest key sizeDiffers228022110
1st M.2 highest PCI Express generationKnown for oneUnknown — not stated by the source4.0
2nd M.2 largest key sizeKnown for oneUnknown — not stated by the source22110
2nd M.2 highest PCI Express generationKnown for oneUnknown — not stated by the source3.0
PCI Express x1 (Gen 3.x) slotsKnown for one1Unknown — not stated by the source
PCI Express x16 (Gen 4.x) slotsKnown for one1Unknown — not stated by the source
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers256 Mbit128 Mbit
ACPI versionKnown for oneUnknown — not stated by the source5.0
Clear CMOS jumperKnown for oneUnknown — not stated by the sourceYes
Desktop Management Interface (DMI) versionKnown for oneUnknown — not stated by the source2.7
System Management BIOS (SMBIOS) versionKnown for oneUnknown — not stated by the source2.7
Weight & dimensions2 differ
WidthDiffers236 mm305 mm
DepthDiffers229 mm244 mm
HeightKnown for one36.5 mmUnknown — not stated by the source
Packaging contentidentical
Antenna includedKnown for oneUnknown — not stated by the sourceYes
Cables includedKnown for oneUnknown — not stated by the sourceSATA
Bundled softwareKnown for oneUnknown — not stated by the sourceNorton Internet Security
Packaging dataidentical
Package widthKnown for one260 mmUnknown — not stated by the source
Package depthKnown for one270 mmUnknown — not stated by the source
Package heightKnown for one51.5 mmUnknown — not stated by the source
Package weightKnown for one924 gUnknown — not stated by the source
Other featuresidentical
WeightKnown for one563 gUnknown — 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.

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