ASUS PRIME B840M-R vs GIGABYTE A520M S2HP

Key differences

The ASUS PRIME B840M-R has 4,400 MHz more supported memory clock speed (max) than the GIGABYTE A520M S2HP (7600 MHz vs 3200 MHz). The ASUS PRIME B840M-R has 64 GB more maximum internal memory than the GIGABYTE A520M S2HP (128 GB vs 64 GB). The GIGABYTE A520M S2HP has 1 more PCI Express x1 (Gen 3.x) slots than the ASUS PRIME B840M-R (2 vs 1). Processor socket: Socket AM5 on the ASUS PRIME B840M-R, Socket AM4 on the GIGABYTE A520M S2HP. Supported memory types: DDR5-SDRAM on the ASUS PRIME B840M-R, DDR4-SDRAM on the GIGABYTE A520M S2HP.

• Processor socket
  • PRIME B840M-R:Socket AM5
  • A520M S2HP:Socket AM4
• Supported memory types
  • PRIME B840M-R:DDR5-SDRAM
  • A520M S2HP:DDR4-SDRAM
• ECC сompatibility
  • PRIME B840M-R:Non-ECC
  • A520M S2HP:ECC & Non-ECC
• Supported memory clock speed (max)
  • PRIME B840M-R:7600 MHz
  • A520M S2HP:3200 MHz
• Maximum internal memory
  • PRIME B840M-R:128 GB
  • A520M S2HP:64 GB
• Supported storage drive interfaces
  • PRIME B840M-R:M.2, SATA III
  • A520M S2HP:M.2, PCI Express 3.0, SATA
• RAID levels
  • PRIME B840M-R:0, 1, 5, 10
  • A520M S2HP:0, 1, 10
• Motherboard chipset
  • PRIME B840M-R:AMD B840
  • A520M S2HP:AMD A520