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Product comparison · 2 motherboards

ASUS PRIME A620A-PLUS WIFI vs ASUS PRIME B840M-R

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  • 69specifications compared
  • 23differ
  • 46identical
  • 27known for one product only

Key differences

The ASUS PRIME A620A-PLUS WIFI has 2 more memory slots than the ASUS PRIME B840M-R (4 vs 2). The ASUS PRIME A620A-PLUS WIFI has 128 GB more maximum internal memory than the ASUS PRIME B840M-R (256 GB vs 128 GB). The ASUS PRIME A620A-PLUS WIFI has 1 more USB 3.2 Gen 1 (3.1 Gen 1) connectors than the ASUS PRIME B840M-R (2 vs 1). Only the ASUS PRIME A620A-PLUS WIFI has Wi-Fi. ECC сompatibility: ECC & Non-ECC on the ASUS PRIME A620A-PLUS WIFI, Non-ECC on the ASUS PRIME B840M-R.

  • Number of memory slots
    • 4
    • 2
  • ECC сompatibility
    • ECC & Non-ECC
    • Non-ECC
  • Maximum internal memory
    • 256 GB
    • 128 GB
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 2
    • 1
  • Number of chassis fan connectors
    • 3
    • 2
  • USB 2.0 ports quantity
    • 3
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 4
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
    • 1
    • 0

Side by side

Differences highlightedShow differences only
96 specifications
A

ASUS

PRIME A620A-PLUS WIFIView product
B

ASUS

PRIME B840M-RView product
Processor1 differ
Compatible processor seriesDiffersAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 SeriesAMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series
Supported processor socketsKnown for oneSocket AM5
Memory3 differ
Number of memory slotsDiffers42
ECC сompatibilityDiffersECC & Non-ECCNon-ECC
Maximum internal memoryDiffers256 GB128 GB
Maximum internal memory per slotKnown for one64 GB
Graphicsidentical
Maximum resolutionKnown for one7680 x 4320 pixels
Internal I/O2 differ
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers21
Front panel connectorKnown for oneYes
Number of chassis fan connectorsDiffers32
Chassis intrusion connectorKnown for oneYes
Number of EPS power connectors (8-pin)Known for one1
Number of water pump connectorsKnown for one1
RGB LED pin headerKnown for oneYes
Number of RGB LED pin headersKnown for one3
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers32
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers10
HDMI versionKnown for one2.1
DisplayPort versionKnown for one1.4
WiFi-AP antenna jackKnown for one2
Line-inKnown for oneYes
USB connector typeKnown for oneUSB Type-A
Network2 differ
Wi-FiDiffersYesNo
Top Wi-Fi standardDiffersWi-Fi 6 (802.11ax)Not available
Wi-Fi standardsKnown for oneWi-Fi 6 (802.11ax)
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.3
Features4 differ
Motherboard form factorDiffersATXmicro ATX
Motherboard chipsetDiffersAMD A620AAMD B840
Product colourDiffersBlackMulticolour
Cooling typeKnown for onePassive
Power source typeKnown for oneATX
Windows operating systems supportedDiffersWindows 10 x64, Windows 11Windows 11, Windows 10 x64
Expansion slotsidentical
PCI Express x16 (Gen 3.x) slotsKnown for one4
1st M.2 highest PCI Express generationKnown for one4.0
2nd M.2 largest key sizeKnown for one22110
2nd M.2 highest PCI Express generationKnown for one3.0
PCI Express x1 (Gen 3.x) slotsKnown for one1
Packaging data4 differ
Package widthDiffers338 mm260 mm
Package depthDiffers273 mm270 mm
Package heightDiffers68 mm51.5 mm
Package weightDiffers1.25 kg924 g
Weight & dimensions3 differ
WidthDiffers305 mm236 mm
DepthDiffers244 mm229 mm
HeightDiffers40 mm36.5 mm
Packaging contentidentical
Antenna includedKnown for oneYes
Cables includedKnown for oneSATA
Screws includedKnown for oneYes
Other features1 differ
WeightDiffers830 g563 g

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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