ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard vs MSI Z790 Gaming Plus WiFi-AMZ Gaming Motherboard
Updated August 2026 — The ASUS Prime B840-PLUS offers great value for general computing, while the MSI Z790 Gaming Plus excels in performance and features for gamers.
The ASUS Prime B840-PLUS offers great value for general computing, while the MSI Z790 Gaming Plus excels in performance and features for gamers.
Why ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard is better
price
ASUS is significantly cheaper at C$153.44
DIY features
ASUS has a pre-mounted I/O shield and BIOS FlashBack
AMD support
ASUS supports AMD Ryzen processors
Why MSI Z790 Gaming Plus WiFi-AMZ Gaming Motherboard is better
performance
MSI supports higher memory speeds up to 7200+ MHz
connectivity
MSI features PCIe 5.0 for faster data transfer
thermal management
MSI has a premium thermal solution with extended heatsinks
Overall score
Specifications
| Spec | ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard | MSI Z790 Gaming Plus WiFi-AMZ Gaming Motherboard |
|---|---|---|
| Brand | Asus | MSI |
| Socket | AM5 | LGA 1700 |
| Memory Type | DDR5 | DDR5 |
| Max Memory Speed | N/A | 7200+ MHz |
| PCIe Version | 4.0 | 5.0 |
Dimension comparison
Overview of the ASUS Prime B840-PLUS WiFi and MSI Z790 Gaming Plus WiFi-AMZ
The ASUS Prime B840-PLUS WiFi is priced at C$153.44, while the MSI Z790 Gaming Plus WiFi-AMZ is significantly more expensive at C$229.99. This price difference reflects varying features aimed at different user needs, from general computing to high-performance gaming.
The ASUS Prime B840-PLUS is tailored for AMD’s latest processors, supporting the AM5 socket and featuring DDR5 memory. On the other hand, the MSI Z790 Gaming Plus caters to Intel's 12th, 13th, and 14th generation processors, making it ideal for users committed to Intel's ecosystem. Both motherboards offer advanced connectivity options, but their performance specifications differ notably.
Processor Compatibility
Processor compatibility is a critical consideration when selecting a motherboard. The ASUS Prime B840-PLUS WiFi supports AMD Ryzen 9000, 8000, and 7000 Series desktop processors via its AM5 socket. This design choice makes it suitable for users looking to build or upgrade with AMD's latest offerings.
Conversely, the MSI Z790 Gaming Plus is built for Intel's LGA 1700 socket, accommodating 12th, 13th, and 14th generation Intel Core processors, as well as Pentium Gold and Celeron processors. This flexibility can attract users who prefer Intel's architecture. Thus, the choice of processor directly influences which motherboard is the better fit for your needs.
Memory Support
When it comes to memory, both motherboards support DDR5 technology, but they differ in terms of overclocking capabilities. The ASUS Prime B840-PLUS WiFi provides a robust platform for high-speed memory configurations, although specific overclocking speeds are not detailed.
The MSI Z790 Gaming Plus takes it a step further, supporting DDR5 memory speeds of up to 7200+ MHz when overclocked. This gives gamers and high-performance users an edge, enabling faster load times and improved responsiveness during intensive tasks. Memory support is therefore a significant differentiator for users focused on high-performance computing.
Connectivity Options
Connectivity is another area where these motherboards shine, but they cater to different user preferences. The ASUS Prime B840-PLUS WiFi features Wi-Fi 6E, a PCIe 4.0 x16 slot, and multiple PCIe 4.0 M.2 slots, providing ample options for fast, reliable connections and storage solutions.
In contrast, the MSI Z790 Gaming Plus boasts a PCIe 5.0 slot, which significantly enhances data transfer speeds for compatible devices. It also supports USB 3.2 Gen 2x2 at 20G, allowing for rapid data transfers. While both motherboards offer advanced connectivity, those looking for the latest in speed and efficiency might lean towards the MSI Z790.
Power Delivery and Stability
The strength of the power delivery system can greatly affect a motherboard's performance, particularly under load. The ASUS Prime B840-PLUS employs a 6-layer PCB design, durable capacitors, and alloy chokes for stable power delivery, ensuring reliable operation during demanding tasks.
On the other hand, the MSI Z790 Gaming Plus features a more advanced 14+1+1 Duet Rail Power System with DrMOS and dual 8-pin CPU power connectors. This design is aimed at gamers who push their systems to the limit, offering better stability and efficiency during intense gaming sessions. Therefore, if power delivery is a priority, the MSI Z790 stands out.
Thermal Management
Effective thermal management is essential in maintaining performance and longevity. The ASUS Prime B840-PLUS incorporates VRM and M.2 heatsinks, as well as hybrid fan headers equipped with Fan Xpert 2+, allowing users to optimize cooling based on their system's needs.
The MSI Z790 Gaming Plus excels in this area with its premium thermal solution, which includes an extended heatsink and MOSFET thermal pads rated for 7W/mK. This robust cooling system is designed for high-performance setups, ensuring that temperatures remain in check during demanding gaming sessions. Thus, for users focused on gaming, the MSI Z790 may provide superior thermal management.
DIY Friendliness
Both motherboards are designed with DIY enthusiasts in mind, but they offer different features to aid the building process. The ASUS Prime B840-PLUS is equipped with a pre-mounted I/O shield, BIOS FlashBack, and Q-Dashboard, making it user-friendly for first-time builders.
Conversely, the MSI Z790 Gaming Plus also caters to DIY enthusiasts but lacks some of the simpler features found in the ASUS model. While it does provide a robust platform for building high-performance systems, users may find the slightly steeper learning curve a consideration. For those seeking ease of installation and setup, the ASUS Prime B840-PLUS may be the better choice.
Which should you buy?
Choosing between the ASUS Prime B840-PLUS WiFi and the MSI Z790 Gaming Plus WiFi-AMZ ultimately depends on your specific needs. If you are looking for an affordable option that supports AMD’s latest processors and offers solid features for general computing, the ASUS Prime B840-PLUS at C$153.44 is a compelling choice.
However, if you are a gamer or a power user who demands high performance, superior connectivity, and advanced thermal management, the MSI Z790 Gaming Plus at C$229.99 is likely to be the better investment. Ultimately, your choice should reflect your intended use case and which processor lineup you prefer to work with.
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