Product comparison · 2 motherboards

ASUS PRIME B840M-R vs ASUS TUF GAMING B850I WIFI NEO

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  • 65specifications compared
  • 26differ
  • 39identical
  • 33known for one product only

Key differences

The ASUS TUF GAMING B850I WIFI NEO has 2,000 MHz more supported memory clock speed (max) than the ASUS PRIME B840M-R (9600 MHz vs 7600 MHz). The ASUS PRIME B840M-R has 2 more HDDs supported than the ASUS TUF GAMING B850I WIFI NEO (4 vs 2). The ASUS PRIME B840M-R has 2 more storage drives supported than the ASUS TUF GAMING B850I WIFI NEO (6 vs 4). Only the ASUS TUF GAMING B850I WIFI NEO has Wi-Fi. ECC сompatibility: Non-ECC on the ASUS PRIME B840M-R, ECC & Non-ECC on the ASUS TUF GAMING B850I WIFI NEO.

  • ECC сompatibility
    • PRIME B840M-R:Non-ECC
    • TUF GAMING B850I WIFI NEO:ECC & Non-ECC
  • Supported memory clock speed (max)
    • PRIME B840M-R:7600 MHz
    • TUF GAMING B850I WIFI NEO:9600 MHz
  • Number of HDDs supported
    • PRIME B840M-R:4
    • TUF GAMING B850I WIFI NEO:2
  • Number of storage drives supported
    • PRIME B840M-R:6
    • TUF GAMING B850I WIFI NEO:4
  • USB 2.0 connectors
    • PRIME B840M-R:2
    • TUF GAMING B850I WIFI NEO:1
  • USB 3.2 Gen 2 (3.1 Gen 2) connectors
    • PRIME B840M-R:0
    • TUF GAMING B850I WIFI NEO:1
  • Number of SATA III connectors
    • PRIME B840M-R:4
    • TUF GAMING B850I WIFI NEO:2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • PRIME B840M-R:4
    • TUF GAMING B850I WIFI NEO:1

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Comparison of PRIME B840M-R, TUF GAMING B850I WIFI NEO
98 specifications
Processor1 differ
Processor manufacturerAMDAMD
Processor socketSocket AM5Socket AM5
Compatible processor seriesDiffersAMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 SeriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor socketsKnown for oneUnknown — not stated by the sourceSocket AM5
Memory2 differ
Supported memory typesDDR5-SDRAMDDR5-SDRAM
Number of memory slots22
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityDiffersNon-ECCECC & Non-ECC
Supported memory clock speed (max)Differs7600 MHz9600 MHz
Maximum internal memory128 GB128 GB
Unbuffered memoryYesYes
Maximum internal memory per slotKnown for oneUnknown — not stated by the source64 GB
Storage controllers3 differ
Supported storage drive typesHDD & SSDHDD & SSD
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 supportedDiffers64
RAID supportYesYes
RAID levels0, 1, 5, 100, 1, 5, 10
Graphicsidentical
Parallel processing technology supportNot supportedNot supported
Maximum resolutionKnown for oneUnknown — not stated by the source7680 x 4320 pixels
Internal I/O3 differ
USB 2.0 connectorsDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers01
Number of SATA III connectorsDiffers42
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
Number of chassis fan connectors22
Chassis intrusion connectorKnown for oneUnknown — not stated by the sourceYes
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
RGB LED pin headerKnown for oneUnknown — not stated by the sourceYes
Number of RGB LED pin headersKnown for oneUnknown — not stated by the source2
S/PDIF out connectorKnown for oneYesUnknown — not stated by the source
Number of COM connectorsKnown for one1Unknown — not stated by the source
TPM connectorKnown for oneYesUnknown — not stated by the source
Rear panel I/O ports2 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers41
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
USB 3.2 Gen 2x2 Type-C ports quantityKnown for oneUnknown — not stated by the source1
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 outputs11
Line-inYesYes
Microphone inYesYes
WiFi-AP antenna jackKnown for oneUnknown — not stated by the source2
PS/2 ports quantityKnown for one1Unknown — not stated by the source
USB connector typeKnown for oneUSB Type-AUnknown — not stated by the source
Network3 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet
Wi-FiDiffersNoYes
Top Wi-Fi standardDiffersNot availableWi-Fi 6E (802.11ax)
Wi-Fi standardsKnown for oneUnknown — not stated by the sourceWi-Fi 6E (802.11ax)
BluetoothKnown for oneUnknown — not stated by the sourceYes
Features4 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXmini ITX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B840AMD B850
Audio output channels7.1 channels7.1 channels
Product colourDiffersMulticolourBlack
Cooling typeKnown for oneUnknown — not stated by the sourcePassive
Power source typeKnown for oneUnknown — not stated by the sourceATX
Windows operating systems supportedDiffersWindows 11, Windows 10 x64Windows 11
Expansion slotsidentical
PCI Express x16 (Gen 5.x) slotsKnown for oneUnknown — not stated by the source1
Number of M.2 (M) slots22
1st M.2 largest key size22802280
1st M.2 highest PCI Express generationKnown for oneUnknown — not stated by the source5.0
2nd M.2 largest key sizeKnown for oneUnknown — not stated by the source2280
2nd M.2 highest PCI Express generationKnown for oneUnknown — not stated by the source4.0
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
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size256 Mbit256 Mbit
BIOS flashback buttonKnown for oneUnknown — not stated by the sourceYes
Packaging data4 differ
Package widthDiffers260 mm219 mm
Package depthDiffers270 mm277 mm
Package heightDiffers51.5 mm107 mm
Package weightDiffers924 g1.32 kg
Weight & dimensions3 differ
WidthDiffers236 mm170 mm
DepthDiffers229 mm170 mm
HeightDiffers36.5 mm44 mm
Packaging contentidentical
Antenna includedKnown for oneUnknown — not stated by the sourceYes
Cables includedKnown for oneUnknown — not stated by the sourceSATA
Screws includedKnown for oneUnknown — not stated by the sourceYes
Other features1 differ
WeightDiffers563 g720 g
Quick installation guideKnown for oneUnknown — not stated by the sourceYes

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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