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ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard vs GIGABYTE X870 Gaming WIFI6 AMD AM5 LGA 1718 Motherboard

Updated August 2026The ASUS Prime B840-PLUS offers solid performance at a budget-friendly price, while the GIGABYTE X870 provides advanced features for a premium experience.

The ASUS Prime B840-PLUS offers solid performance at a budget-friendly price, while the GIGABYTE X870 provides advanced features for a premium experience.

Why ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard is better

affordable price

ASUS Prime is significantly cheaper at C$153.44

AI features

ASUS Prime is designed for advanced AI computing

DIY features

ASUS Prime includes a pre-mounted I/O shield

Why GIGABYTE X870 Gaming WIFI6 AMD AM5 LGA 1718 Motherboard is better

power design

GIGABYTE has an 8+2+2 power configuration

connectivity

GIGABYTE supports PCIe 5.0 and dual USB4

thermal management

GIGABYTE features VRM and M.2 Thermal Guards

Overall score

ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard
70
GIGABYTE X870 Gaming WIFI6 AMD AM5 LGA 1718 Motherboard
85

Specifications

SpecASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX MotherboardGIGABYTE X870 Gaming WIFI6 AMD AM5 LGA 1718 Motherboard
SocketAM5AM5
DDR SupportDDR5DDR5
M.2 Slots33
Wi-Fi6E6
WarrantyN/A5 Years

Dimension comparison

ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX MotherboardGIGABYTE X870 Gaming WIFI6 AMD AM5 LGA 1718 Motherboard

Overview

In this comparison, we will evaluate the ASUS Prime B840-PLUS WiFi and the GIGABYTE X870 Gaming WIFI6 motherboards. Both products are designed for AMD processors and are equipped with advanced features, but they cater to different needs and budgets. The ASUS Prime is priced at C$153.44, while the GIGABYTE X870 comes at a premium price of C$289.99.

Build Quality and Power Design

The GIGABYTE X870 boasts a robust power design featuring an 8+2+2 configuration, ensuring stable performance under load. In contrast, the ASUS Prime utilises a 6-layer PCB with alloy chokes and durable capacitors for reliable power delivery. While both motherboards are designed for optimal power management, the GIGABYTE's power design may provide a slight edge for users planning on overclocking or running resource-intensive applications.

Compatibility and Processor Support

Both motherboards are compatible with AMD’s AM5 socket and support the Ryzen 9000, 8000, and 7000 series processors, providing users with a broad range of options for their builds. However, the ASUS Prime also highlights features tailored for advanced AI computing, making it a more future-proof choice for users interested in AI applications. The focus on enhanced AI capabilities gives the ASUS Prime an appealing edge for tech enthusiasts looking to explore emerging technologies.

Memory and Storage Options

When it comes to memory and storage, the GIGABYTE X870 supports DDR5 with four DIMM slots and AMD EXPO support, providing greater flexibility and performance for modern memory modules. The ASUS Prime also supports DDR5 but does not specify the number of DIMM slots available, leaving some ambiguity for users looking for maximum memory capacity. Both motherboards feature multiple M.2 slots for SSDs, but the GIGABYTE offers three M.2 slots, ensuring ample storage expansion options for gamers and content creators alike.

Connectivity Features

Connectivity is a crucial aspect of modern motherboards, and both products offer advanced features. The ASUS Prime is equipped with Wi-Fi 6E and multiple high-speed USB ports, including USB 10Gbps Type-A and Type-C. On the other hand, the GIGABYTE X870 supports PCIe 5.0 and includes dual USB4 ports, which may provide faster data transfer rates in compatible devices. This makes the GIGABYTE a more future-proof option for users who require cutting-edge connectivity.

Thermal Management

Thermal management is essential for the longevity and performance of PC components. The GIGABYTE X870 features VRM and M.2 Thermal Guards, which help keep heat levels in check during demanding tasks. Meanwhile, the ASUS Prime includes comprehensive cooling solutions with VRM and M.2 heatsinks, along with hybrid fan headers and Fan Xpert 2+ for optimal airflow. Both motherboards excel in this area, but the additional thermal features of the GIGABYTE may be more appealing to users pushing their systems to the limits.

DIY Friendliness

Both motherboards are designed with DIY builders in mind. The ASUS Prime includes a pre-mounted I/O shield and features like BIOS FlashBack and Q-Dashboard for easier setup. Conversely, the GIGABYTE X870 shines with its M.2 EZ-Latch and PCIe EZ-Latch, making it simpler to install and upgrade components. The GIGABYTE also offers an EZ-Debug Zone, which can be a valuable tool for troubleshooting. While both motherboards cater to enthusiasts, the GIGABYTE's focus on user-friendly features may enhance the overall building experience.

Price and Value

The ASUS Prime B840-PLUS is priced at a more accessible C$153.44, making it a budget-friendly option for users looking to build a capable system. In contrast, the GIGABYTE X870 is significantly more expensive at C$289.99. While the GIGABYTE offers superior features and performance, the price difference may not justify the investment for all users. Those seeking a high-performance motherboard with advanced features may find the GIGABYTE worth the extra cost, while budget-conscious consumers may lean towards the ASUS Prime.

Which should you buy?

Choosing between the ASUS Prime B840-PLUS and the GIGABYTE X870 ultimately depends on your specific needs and budget. If you are looking for an affordable option that still offers solid performance and features, the ASUS Prime is an excellent choice. However, for users who require advanced capabilities, superior connectivity, and enhanced thermal management, the GIGABYTE X870 justifies its higher price with a broader range of features and future-proofing. Consider what aspects matter most for your build to make the best decision.

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ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard vs GIGABYTE X870 Gaming WIFI6 AMD AM5 LGA 1718 Motherboard | versusfinder