ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard vs GIGABYTE B550 Eagle WIFI6 Motherboard - AMD Ryzen 5000 G-Series CPUs
Updated August 2026 — The ASUS Prime B840-PLUS WiFi offers superior features and performance compared to the GIGABYTE B550 Eagle, making it the better choice for modern builds.
The ASUS Prime B840-PLUS WiFi offers superior features and performance compared to the GIGABYTE B550 Eagle, making it the better choice for modern builds.
Why ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard is better
Price
ASUS is cheaper at C$153.44
Memory
Supports DDR5 for better performance
Connectivity
Includes Wi-Fi 6E and more M.2 slots
Why GIGABYTE B550 Eagle WIFI6 Motherboard - AMD Ryzen 5000 G-Series CPUs is better
Compatibility
Supports older Ryzen processors
Power Delivery
Digital twin VRM solution for stability
Assembly
Pre-installed I/O armor for easier setup
Overall score
Specifications
| Spec | ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard | GIGABYTE B550 Eagle WIFI6 Motherboard - AMD Ryzen 5000 G-Series CPUs |
|---|---|---|
| Brand | Asus | GIGABYTE |
| Power Solution | 6-layer PCB | 10+3 phases VRM |
| M.2 Slots | 3 | 2 |
| Ethernet | 2.5Gb | 1Gb |
| RGB Lighting | Yes | No |
Dimension comparison
Overview of the ASUS Prime B840-PLUS WiFi and GIGABYTE B550 Eagle
The ASUS Prime B840-PLUS WiFi is priced at C$153.44, while the GIGABYTE B550 Eagle is more expensive at C$179.99. Both motherboards cater to different generations of AMD processors and come with a range of features aimed at enhancing performance and connectivity.
The ASUS Prime B840-PLUS is designed for AMD's latest Socket AM5, making it compatible with the latest Ryzen 9000, 8000, and 7000 series processors. In contrast, the GIGABYTE B550 Eagle is built for the older AMD Socket AM4, supporting Ryzen 5000, 4000, and 3000 series CPUs. This fundamental difference may influence your decision based on which processor generation you plan to use.
Power Delivery and Stability
Power delivery is crucial for system stability, and both the ASUS Prime B840-PLUS and GIGABYTE B550 Eagle employ advanced power solutions to ensure reliable operation. The ASUS motherboard features a robust 6-layer PCB along with alloy chokes and durable capacitors, ensuring stable power delivery for demanding applications.
On the other hand, the GIGABYTE B550 Eagle boasts a digital twin 10+3 phases VRM solution. This design utilises premium chokes and capacitors for steady power, which is particularly beneficial for overclocking scenarios. While both motherboards aim to provide solid power solutions, the ASUS model's enhanced design might provide better performance for high-demand AI applications, as it is specifically designed for future AI computing needs.
Memory Compatibility
When it comes to memory compatibility, the ASUS Prime B840-PLUS supports DDR5, while the GIGABYTE B550 Eagle is compatible with DDR4 memory. The ASUS motherboard can accommodate the latest memory modules, which may yield improved performance in memory-intensive tasks.
In contrast, the GIGABYTE B550 Eagle supports up to four DIMMs with AMD EXPO Memory Module Support. This makes it versatile for users with existing DDR4 memory, but it may not benefit from the speed and efficiency improvements that come with DDR5. For users looking to future-proof their builds, the ASUS motherboard's DDR5 support is a significant advantage.
Connectivity Options
Connectivity options are essential for modern computing, and both motherboards offer impressive features. The ASUS Prime B840-PLUS includes ultrafast Wi-Fi 6E, PCIe 4.0 x16 slot, and multiple PCIe 4.0 M.2 slots, making it highly versatile for various peripherals and high-speed storage solutions.
Conversely, the GIGABYTE B550 Eagle supports Wi-Fi 6 and includes two M.2 slots, PCIe 4.0, and USB 3.2 Gen 2 and Gen 1 Type-C ports. While both motherboards offer robust connectivity, the ASUS model provides a more extensive array of high-speed options, which may be more appealing for users who require rapid data transfer and internet speeds.
Cooling Solutions
Effective cooling is critical for maintaining system performance, and both motherboards feature advanced cooling solutions. The ASUS Prime B840-PLUS comes with VRM and M.2 heatsinks, a PCH heatsink, and hybrid fan headers managed by Fan Xpert 2+. This comprehensive approach ensures that all critical components remain cool during intense workloads.
The GIGABYTE B550 Eagle, however, offers enhanced thermal armour with enlarged VRM heatsinks and 5 W/mk thermal pads for improved heat dissipation. This design also includes pre-installed I/O armour for easier assembly. While both cooling solutions are effective, the ASUS motherboard's more comprehensive design may provide better thermal management for high-performance builds.
User-Friendly Features
User-friendly features can greatly enhance the building experience, and both motherboards offer advantages in this area. The ASUS Prime B840-PLUS includes a pre-mounted I/O shield, BIOS FlashBack, and a Q-Antenna for easier setup. Its DIY-friendly design aims to simplify the process for enthusiasts.
Conversely, the GIGABYTE B550 Eagle also focuses on user convenience with its pre-installed I/O armour, facilitating quicker assembly. However, it lacks some of the advanced features found in the ASUS model. For users who value ease of installation and additional support features, the ASUS Prime B840-PLUS may be the better choice.
Aesthetic Customisation
Aesthetic customisation is an important aspect for many PC builders, and both motherboards offer unique options. The ASUS Prime B840-PLUS features three addressable Gen 2 headers that can be configured with ASUS-exclusive Aura Sync RGB lighting. This allows users to create visually stunning setups that match their personal style.
On the other hand, the GIGABYTE B550 Eagle does not provide extensive information regarding aesthetic customisation features. While it might still offer some options, the ASUS motherboard clearly stands out in this area, appealing to users who enjoy personalising their builds.
Which should you buy?
Choosing between the ASUS Prime B840-PLUS WiFi and the GIGABYTE B550 Eagle ultimately comes down to your specific needs and budget. The ASUS Prime B840-PLUS is priced at C$153.44 and offers cutting-edge features like DDR5 compatibility, ultrafast Wi-Fi 6E, and a comprehensive cooling solution. It is a strong contender for those looking to build a future-proof system with the latest AMD processors.
Conversely, the GIGABYTE B550 Eagle, priced at C$179.99, is suitable for users with existing DDR4 memory and who plan to use older Ryzen processors. While it offers solid power delivery and good thermal management, it lacks the advanced features found in the ASUS model.
In summary, if you aim for the latest technology and enhanced performance, the ASUS Prime B840-PLUS WiFi is the superior choice. However, if you are working with older components or prefer a more budget-friendly option, the GIGABYTE B550 Eagle remains a reliable alternative.
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