ASUS TUF Gaming B550-PLUS WiFi II AMD AM4 vs MSI Z790 Gaming Plus WiFi-AMZ Gaming Motherboard
Updated August 2026 — The ASUS TUF Gaming B550-PLUS WiFi II offers great value for AMD users, while the MSI Z790 Gaming Plus WiFi-AMZ provides advanced features for Intel builds.
The ASUS TUF Gaming B550-PLUS WiFi II offers great value for AMD users, while the MSI Z790 Gaming Plus WiFi-AMZ provides advanced features for Intel builds.
Why ASUS TUF Gaming B550-PLUS WiFi II AMD AM4 is better
Price
ASUS is C$65.01 cheaper
AMD Support
Optimized for AMD Ryzen CPUs
Cooling Solution
Fanless VRM design for quieter operation
Why MSI Z790 Gaming Plus WiFi-AMZ Gaming Motherboard is better
Processor Support
Supports Intel's latest 14th Gen CPUs
Memory Speed
Supports DDR5 up to 7200+(OC) MHz
Power Delivery
Advanced 14+1+1 power system for stability
Overall score
Specifications
| Spec | ASUS TUF Gaming B550-PLUS WiFi II AMD AM4 | MSI Z790 Gaming Plus WiFi-AMZ Gaming Motherboard |
|---|---|---|
| Socket | AM4 | LGA 1700 |
| Memory Type | DDR4 | DDR5 |
| PCIe Version | 4.0 | 5.0 |
| WiFi | 6 | 6E |
| Power Stages | 8+2 | 14+1+1 |
Dimension comparison
Price Comparison
The ASUS TUF Gaming B550-PLUS WiFi II is priced at C$164.98, while the MSI Z790 Gaming Plus WiFi-AMZ is significantly higher at C$229.99. This difference of C$65.01 may be a crucial factor for budget-conscious consumers. The lower-priced ASUS motherboard offers excellent value, especially for those looking to build a gaming rig without breaking the bank. However, the MSI motherboard's premium price may reflect its advanced features and support for newer technologies.
Compatibility with Processors
The ASUS TUF Gaming B550-PLUS WiFi II is designed for AMD AM4 processors, specifically optimised for 3rd Gen AMD Ryzen CPUs. In contrast, the MSI Z790 Gaming Plus WiFi-AMZ supports Intel's 14th, 13th, and 12th Gen processors with an LGA 1700 socket. This means that if you’re leaning towards an AMD build, the ASUS motherboard is the clear choice. On the other hand, for those who prefer Intel's latest offerings, the MSI motherboard would be more suitable.
Memory Support
When it comes to memory capability, the MSI Z790 Gaming Plus WiFi-AMZ stands out as it supports DDR5 memory, allowing for speeds up to 7200+(OC) MHz. In comparison, the ASUS TUF Gaming B550-PLUS WiFi II does not specify DDR5 support, which may limit its future-proofing potential. DDR5 memory can significantly enhance system performance, particularly in memory-intensive applications. Therefore, gamers and content creators seeking high-speed memory should consider the MSI motherboard.
Power Delivery Systems
The power delivery system is crucial for stability, especially during intense gaming sessions. The ASUS TUF Gaming B550-PLUS WiFi II features an 8+2 DrMOS power stage configuration, ensuring reliable power delivery for AMD CPUs. In contrast, the MSI Z790 Gaming Plus WiFi-AMZ boasts a more advanced 14+1+1 Duet Rail Power System with DrMOS and dual 8-pin CPU power connectors, likely providing better power efficiency and stability for high-performance systems. Thus, the MSI motherboard may appeal more to users who demand top-tier power delivery.
Thermal Management
Effective thermal management is essential for maintaining system performance. The ASUS TUF Gaming B550-PLUS WiFi II employs a fanless VRM and PCH heatsink, along with multiple hybrid fan headers for optimal cooling. In comparison, the MSI Z790 Gaming Plus WiFi-AMZ features an extended heatsink and thermal pads rated for 7W/mK, enhancing its cooling capabilities for continuous gaming. The MSI motherboard is likely to perform better under heavy loads, making it a better choice for enthusiasts who push their systems to the limit.
Gaming Features
Both motherboards come equipped with features designed for an enhanced gaming experience. The ASUS TUF Gaming B550-PLUS WiFi II supports WiFi 6 (802.11ax) and includes a 2.5 Gb LAN with ASUS LANGuard for high-speed networking. Meanwhile, the MSI Z790 Gaming Plus WiFi-AMZ also features Wi-Fi 6E, which offers improved performance and reduced latency in crowded networks. Additionally, the MSI motherboard includes a PCIe 5.0 slot and Lightning Gen 4 x4 M.2 interface for faster data transfer rates. Gamers seeking the latest connectivity options may prefer the MSI option.
Connectivity Options
The ASUS TUF Gaming B550-PLUS WiFi II excels in connectivity with support for HDMI 2.1 and DisplayPort 1.2 outputs, along with dual M.2 slots, including one with PCIe 4.0 x4 connectivity. The MSI Z790 Gaming Plus WiFi-AMZ also offers robust connectivity features, including multiple USB 3.2 Gen 2x2 ports. The choice between these two motherboards may depend on the specific connectivity requirements of your setup; however, the MSI motherboard’s support for newer PCIe standards can provide enhanced performance for high-speed devices.
Which should you buy?
In conclusion, the choice between the ASUS TUF Gaming B550-PLUS WiFi II and the MSI Z790 Gaming Plus WiFi-AMZ ultimately hinges on your specific needs and preferences. If budget is a primary concern and you're looking for a reliable platform for AMD processors, the ASUS motherboard provides excellent value at C$164.98. However, if you seek cutting-edge technology, superior memory support, and enhanced power delivery for Intel CPUs, the MSI motherboard at C$229.99 may be worth the extra investment. Consider your processor preference, memory needs, and gaming requirements to make the best choice for your build.
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