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ASRock B450 Pro4 vs Asus Prime B450M-A

    ASRock B450 Pro4 Motherboard
    ASRock B450 Pro4
      Asus Prime B450M-A Motherboard
      Asus Prime B450M-A
      Editiorial reviews
      2
      2 editorial reviews
      We kick off our AMD B450 chipset reviews with the ASRock B450M Pro4 mATX motherboard, a budget option for those wanting an entry into the world of AMD Ryzen CPUs....Read more
      Today we will present ASRock B450M Pro4 so a cheaper gaming motherboard which offers more than we could expect. Recently small motherboards are becoming more popular in gaming computers because they offer about as much ...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
      62
      3.9 out of 5
      62 user ratings
      5 stars
      		35 %
      4 stars
      		30 %
      3 stars
      		25 %
      2 stars
      		6 %
      1 stars
      		1 %
      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 B450 Pro4ASRock B450 Pro4
      Asus Prime B450M-AAsus Prime B450M-A
      Motherboard typeATXMicro-ATX
      Processor socketSocket AM4Socket AM4

      Memory

      ASRock B450 Pro4ASRock B450 Pro4
      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
      Memory channelsDualDual

      Audio properties

      ASRock B450 Pro4ASRock B450 Pro4
      Asus Prime B450M-AAsus Prime B450M-A
      Audio codecRealtek ALC892Realtek ALC887
      Audio output channels7.17.1

      Graphics

      ASRock B450 Pro4ASRock B450 Pro4
      Asus Prime B450M-AAsus Prime B450M-A
      Maximum resolution
      • 4096
      • 2160
      • 4096
      • 2160

      Technical details

      ASRock B450 Pro4ASRock B450 Pro4
      Asus Prime B450M-AAsus Prime B450M-A
      Compatible processor seriesAMD RyzenAMD Ryzen
      Maximum number of processors11

      BIOS

      ASRock B450 Pro4ASRock B450 Pro4
      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 B450 Pro4ASRock B450 Pro4
      Asus Prime B450M-AAsus Prime B450M-A
      Number of COM connectors11
      CPU fan connectoryesyes
      12V power connectoryesyes
      ATX Power connector (24-pin)YY
      TPM connectoryesyes
      Number of SATA III connectors66

      Rear panel I/O ports

      ASRock B450 Pro4ASRock B450 Pro4
      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 B450 Pro4ASRock B450 Pro4
      Asus Prime B450M-AAsus Prime B450M-A
      Ethernet LAN (Network)yesyes
      LAN controllerRealtek RTL8111HRealtek RTL8111H
      Ethernet interface typeGigabit EthernetGigabit Ethernet

      Dimensions

      ASRock B450 Pro4ASRock B450 Pro4
      Asus Prime B450M-AAsus Prime B450M-A
      Width12.01 in9.61 in
      Depth8.82 in9.45 in

      Pros & Cons

      Pros
          Cons

              Often compared with ASRock B450 Pro4

              ASRock B450 Pro4 Motherboard
              Asus Prime B450-PLUS
              ASRockB450 Pro4
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              MSI B450M Pro-VDH MAX
              ASRockB450 Pro4
              MSIB450M Pro-VDH MAX
              ASRock B450 Pro4 Motherboard
              Asus Prime B450M-A
              ASRockB450 Pro4
              AsusPrime B450M-A
              ASRock B450 Pro4 Motherboard
              MSI B450 Tomahawk MAX
              ASRockB450 Pro4
              MSIB450 Tomahawk MAX
              ASRock B450 Pro4 Motherboard
              ASRock B450 Steel Legend
              ASRockB450 Pro4
              ASRockB450 Steel Legend
              ASRock B450 Pro4 Motherboard
              ASRock B450M PRO4
              ASRockB450 Pro4
              ASRockB450M PRO4

              Often compared with Asus Prime B450M-A

              Asus Prime B450M-A Motherboard
              Asus Prime A320M-K
              AsusPrime B450M-A
              AsusPrime A320M-K
              Asus Prime B450M-A Motherboard
              Asus Prime B450M-K
              AsusPrime B450M-A
              AsusPrime B450M-K
              Asus Prime B450M-A Motherboard
              ASRock B450M-HDV
              AsusPrime B450M-A
              ASRockB450M-HDV
              Asus Prime B450M-A Motherboard
              ASRock B450 Pro4
              AsusPrime B450M-A
              ASRockB450 Pro4
              Asus Prime B450M-A Motherboard
              Asus Prime A320M-A
              AsusPrime B450M-A
              AsusPrime A320M-A
              Asus Prime B450M-A Motherboard
              Asus TUF B450-PLUS Gaming
              AsusPrime B450M-A
              AsusTUF B450-PLUS Gaming
              Asus Prime B450M-A Motherboard
              ASRock B450M PRO4
              AsusPrime B450M-A
              ASRockB450M PRO4