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ASRock Fatal1ty B450 Gaming K4 vs Asus Prime B450M-A

    ASRock Fatal1ty B450 Gaming K4 Motherboard
    ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-A Motherboard
      Asus Prime B450M-A
      Editiorial reviews
      2
      2 editorial reviews
      With all of the overclocking and less of the cost, can ASRock’s little Fatal1ty B450 Gaming-ITX/ac stand up to its X-series rivals?Read more
      Today, we’ll be taking a look at the ASRock Fatal1ty B450 Gaming K4 Motherboard. This motherboard aimed at the mainstream market, and utilizes the latest AMD B450 chipset which is suitable for both 1st and 2nd ...Read more
      Read editorial reviews
      1
      1 editorial reviews
      ASUS isn't always known for their bang for buck, but the ASUS PRIME B450M-K is a perfect example of it. Here's our review of this great entry-level board.Read more
      Read editorial reviews
      User rating
      39
      4.1 out of 5
      39 user ratings
      5 stars
      		30 %
      4 stars
      		46 %
      3 stars
      		23 %
      2 stars
      		0 %
      1 stars
      		0 %
      78
      3.7 out of 5
      78 user ratings
      5 stars
      		24 %
      4 stars
      		32 %
      3 stars
      		30 %
      2 stars
      		11 %
      1 stars
      		1 %

      Full Comparison

      Units:

      General

      ASRock Fatal1ty B450 Gaming K4ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-AAsus Prime B450M-A
      Motherboard typeATXMicro-ATX
      Processor socketSocket AM4Socket AM4

      Memory

      ASRock Fatal1ty B450 Gaming K4ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-AAsus Prime B450M-A
      Supported memory bus clock
      • 2400 MHz
      • 2133 MHz
      • 2667 MHz
      • 2933 MHz
      • 3200 MHz
      • 2400 MHz
      • 2133 MHz
      • 2666 MHz
      • 2800 MHz
      • 3000 MHz
      • 3200 MHz
      RAM technologyDDR4DDR4
      Memory slots typeDIMMDIMM
      Maximum RAM size64 GB64 GB
      Number of memory slots44

      Audio properties

      ASRock Fatal1ty B450 Gaming K4ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-AAsus Prime B450M-A
      Audio codecRealtek ALC892Realtek ALC887
      Audio output channels7.17.1

      Graphics

      ASRock Fatal1ty B450 Gaming K4ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-AAsus Prime B450M-A
      Maximum resolution
      • 4096
      • 2160
      • 4096
      • 2160

      Technical details

      ASRock Fatal1ty B450 Gaming K4ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-AAsus Prime B450M-A
      Compatible processor seriesAMD RyzenAMD Ryzen
      Maximum number of processors11

      BIOS

      ASRock Fatal1ty B450 Gaming K4ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-AAsus Prime B450M-A
      BIOS typeUEFI AMIUEFI AMI
      BIOS features
      • Multilingual BIOS
      • JumperFree
      • SMBIOS 2.3 support
      • UEFI BIOS
      • ACPI 5.1 support
      • Multilingual BIOS
      • ASUS Quiet Thermal Solution
      • UEFI BIOS
      • ASUS EZ Flash 3
      • ACPI 6.1 support
      • SMBIOS 3.1 support
      BIOS memory size128.0 mB128.0 mB
      System Management BIOS (SMBIOS) version2.33.1
      ACPI version5.16.1

      Internal I/O ports

      ASRock Fatal1ty B450 Gaming K4ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-AAsus Prime B450M-A
      CPU fan connectoryesyes
      Number of chassis fan connectors32
      12V power connectoryesyes
      ATX Power connector (24-pin)YY
      TPM connectoryesyes
      Number of SATA III connectors66

      Rear panel I/O ports

      ASRock Fatal1ty B450 Gaming K4ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-AAsus Prime B450M-A
      HDMI ports quantity11
      Ethernet LAN (RJ-45) ports11
      PS/2 ports quantity12
      USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity12
      USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
      VGA (D-Sub) ports quantity11

      Network

      ASRock Fatal1ty B450 Gaming K4ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-AAsus Prime B450M-A
      Ethernet LAN (Network)yesyes
      LAN controllerRealtek RTL8111HRealtek RTL8111H
      Ethernet interface typeGigabit EthernetGigabit Ethernet

      Dimensions

      ASRock Fatal1ty B450 Gaming K4ASRock Fatal1ty B450 Gaming K4
      Asus Prime B450M-AAsus Prime B450M-A
      Width12.01 in9.61 in
      Depth8.82 in9.45 in

      Pros & Cons

      Pros
          Cons

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