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Product comparison · 2 motherboards

ASUS PRIME B550M-K WIFI vs GIGABYTE B850M AORUS STEALTH

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  • 60specifications compared
  • 26differ
  • 34identical
  • 57known for one product only

Key differences

The GIGABYTE B850M AORUS STEALTH has 2 more memory slots than the ASUS PRIME B550M-K WIFI (4 vs 2). The GIGABYTE B850M AORUS STEALTH has 192 GB more maximum internal memory than the ASUS PRIME B550M-K WIFI (256 GB vs 64 GB). The ASUS PRIME B550M-K WIFI has 2 more HDDs supported than the GIGABYTE B850M AORUS STEALTH (4 vs 2). Processor socket: Socket AM4 on the ASUS PRIME B550M-K WIFI, Socket AM5 on the GIGABYTE B850M AORUS STEALTH. Supported memory types: DDR4-SDRAM on the ASUS PRIME B550M-K WIFI, DDR5-SDRAM on the GIGABYTE B850M AORUS STEALTH.

  • Processor socket
    • Socket AM4
    • Socket AM5
  • Supported memory types
    • DDR4-SDRAM
    • DDR5-SDRAM
  • Number of memory slots
    • 2
    • 4
  • ECC сompatibility
    • ECC
    • Non-ECC
  • Maximum internal memory
    • 64 GB
    • 256 GB
  • Number of HDDs supported
    • 4
    • 2
  • Number of storage drives supported
    • 6
    • 5
  • RAID levels
    • 0, 1, 10
    • 0, 1, 10, 5

Side by side

Differences highlightedShow differences only
117 specifications
A

ASUS

PRIME B550M-K WIFIView product
B

GIGABYTE

B850M AORUS STEALTHView product
Processor2 differ
Processor socketDiffersSocket AM4Socket AM5
Compatible processor seriesDiffersAMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 SeriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor socketsKnown for oneSocket AM5
Memory5 differ
Supported memory typesDiffersDDR4-SDRAMDDR5-SDRAM
Number of memory slotsDiffers24
ECC сompatibilityDiffersECCNon-ECC
Supported memory clock speedsDiffers5100,4866,4600,4466,4400,4333,4266,4200,4133,4000,3866,3733,3600,3466,3400,3333,3200,3000,2933,2800,2666,2400,2133 MHz8200,8000,7800,7600,7200,7000,6800,6600,6400,6200,6000,5600,5200,4800,4400 MHz
Supported memory clock speed (max)Known for one8200 MHz
Maximum internal memoryDiffers64 GB256 GB
Maximum internal memory per slotKnown for one64 GB
Storage controllers4 differ
Supported storage drive interfacesDiffersM.2, SATA IIIM.2, PCI Express 4.0, PCI Express 5.0, SATA III
Number of HDDs supportedDiffers42
Number of storage drives supportedDiffers65
RAID levelsDiffers0, 1, 100, 1, 10, 5
Graphicsidentical
Parallel processing technology supportKnown for oneNot supported
Maximum resolutionKnown for one4096 x 2160 pixels
DirectX versionKnown for one12.0
Internal I/O3 differ
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers01
Number of SATA III connectorsDiffers42
Front panel connectorKnown for oneYes
Number of CPU fan connectorsDiffers12
Number of water pump connectorsKnown for one2
RGB LED pin headerKnown for oneYes
Number of RGB LED pin headersKnown for one4
Number of COM connectorsKnown for one1
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers24
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers01
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers01
HDMI versionKnown for one2.1
DisplayPort versionKnown for one1.4
Line-inKnown for oneYes
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
WiFi-AP antenna jackKnown for one2
PS/2 ports quantityKnown for one1
Microphone inKnown for oneYes
Network2 differ
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet, 5 Gigabit Ethernet, Gigabit Ethernet, Fast Ethernet
LAN controllerKnown for oneRealtek RTL8126
Top Wi-Fi standardDiffersWi-Fi 6 (802.11ax)Wi-Fi 6E (802.11ax)
Wi-Fi standardsKnown for one802.11a, 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 oneRealtek RTL8922AE
Bluetooth versionKnown for one5.4
Features3 differ
Motherboard chipsetDiffersAMD B550AMD B850
Audio chipKnown for oneRealtek ALC1220
Product colourDiffersMulticolourBlack
PC health monitoringKnown for oneFan, Temperature, Voltage, Water cooling
Cooling typeKnown for onePassive
Power source typeKnown for oneATX
Windows operating systems supportedDiffersWindows 10 x64, Windows 11Windows 11 Home
Expansion slots2 differ
PCI Express x16 (Gen 4.x) slotsKnown for one1
PCI Express x16 (Gen 5.x) slotsKnown for one1
Number of M.2 (M) slotsDiffers23
1st M.2 highest PCI Express generationKnown for one5.0
2nd M.2 largest key sizeDiffers221102280
2nd M.2 highest PCI Express generationKnown for one4.0
3rd M.2 largest key sizeKnown for one2280
3rd M.2 highest PCI Express generationKnown for one4.0
PCI Express x1 (Gen 3.x) slotsKnown for one1
BIOS1 differ
BIOS memory sizeDiffers128 Mbit512 Mbit
ACPI versionKnown for one5.0
Clear CMOS jumperKnown for oneYes
Clear CMOS buttonKnown for oneYes
Desktop Management Interface (DMI) versionKnown for one2.7
System Management BIOS (SMBIOS) versionKnown for one2.7
Logistics dataidentical
Products per shipping (inner) caseKnown for one1 pc(s)
Batteryidentical
Battery weightKnown for one3 g
Lithium weight per batteryKnown for one0.07 g
Number of battery cellsKnown for one1
Battery capacityKnown for one220 mAh
Battery technologyKnown for oneLithium-Manganese Dioxide (LiMnO2)
Battery typeKnown for oneCR2032
Packaging dataidentical
Package widthKnown for one268 mm
Package depthKnown for one287 mm
Package heightKnown for one89 mm
Package weightKnown for one2.66 kg
Weight & dimensions1 differ
DepthDiffers221 mm244 mm
HeightKnown for one35 mm
Packaging contentidentical
Antenna includedKnown for oneYes
Batteries includedKnown for oneYes
Screws includedKnown for oneYes
Bundled softwareKnown for oneNorton® Internet Security (OEM version)
Other featuresidentical
WeightKnown for one2.29 kg
Technical detailsidentical
Warranty periodKnown for one3 year(s)

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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