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ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboard vs MSI MAG X870 Tomahawk WiFi Gaming Motherboard

Updated August 2026The ASUS ROG STRIX B860-I offers advanced AI capabilities and a lower price, while the MSI MAG X870 Tomahawk excels in power delivery and connectivity for AMD processors.

The ASUS ROG STRIX B860-I offers advanced AI capabilities and a lower price, while the MSI MAG X870 Tomahawk excels in power delivery and connectivity for AMD processors.

Why ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboard is better

Price

ASUS is priced lower at C$294.98.

AI Features

ASUS has advanced AI and memory technologies.

Compact Size

ASUS is a Mini-ITX motherboard, ideal for small builds.

Why MSI MAG X870 Tomahawk WiFi Gaming Motherboard is better

Power Delivery

MSI has a 17-phase power system for AMD processors.

Connectivity

MSI offers more USB ports and a front USB-C header.

Thermal Management

MSI includes an extended heatsink for better cooling.

Overall score

ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboard
85
MSI MAG X870 Tomahawk WiFi Gaming Motherboard
90

Specifications

SpecASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboardMSI MAG X870 Tomahawk WiFi Gaming Motherboard
Socket TypeLGA 1851AM5
Wi-Fi VersionWi-Fi 7Wi-Fi 7
M.2 Slots22
USB Type-C13
Audio CodecALC1220PALC897

Dimension comparison

ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboardMSI MAG X870 Tomahawk WiFi Gaming Motherboard

Overview of ASUS ROG STRIX B860-I GAMING WIFI

The ASUS ROG STRIX B860-I GAMING WIFI is a Mini-ITX motherboard designed for advanced AI computing. Priced at C$294.98, it offers a robust feature set tailored for gaming enthusiasts and future-proofed performance. This motherboard is equipped with the Intel LGA 1851 socket, supporting Intel Core Ultra processors, which positions it well for high-performance gaming and computing tasks.

This model emphasises connectivity and speed, featuring two PCIe 5.0 M.2 slots, including one with a large heatsink for optimal thermal performance. Moreover, it includes a Thunderbolt 4 USB Type-C port and Wi-Fi 7 support, making it an excellent choice for gamers who require cutting-edge technology in a compact form factor.

Overview of MSI MAG X870 Tomahawk WiFi

The MSI MAG X870 Tomahawk WiFi is priced at C$364.99 and boasts a striking black design that enhances any PC build. This ATX motherboard is built with a 17-phase power system, which includes 80A Smart Power Stages, ensuring that it can handle even the most demanding AMD Ryzen processors with ease.

The MAG X870 provides extensive connectivity options, featuring nine USB Type-A ports and three USB Type-C ports, along with a front USB Type-C header that supports 27W power delivery. Additionally, its full Wi-Fi 7 support and 5G LAN capabilities ensure high-speed and low-latency networking, appealing to gamers who value seamless online experiences.

Performance Comparison

In terms of performance, the ASUS ROG STRIX B860-I is focused on supporting the latest Intel processors and advanced AI applications. Its robust power solution, featuring 10+1+2+1 power stages, allows for efficient operation and stability during high-load situations. This configuration is particularly beneficial for gamers and users who push their systems to the limits.

Conversely, the MSI MAG X870 Tomahawk's 17-phase Duet Rail Power System is designed to maintain peak performance of AMD Ryzen processors during extended gaming sessions. The combination of an extended heatsink and smart power stages in this motherboard ensures that thermal management is effective, which is essential for maintaining high performance under load. This makes the MSI a strong contender for users prioritising performance with AMD processors.

Connectivity Features

Connectivity is a significant factor for modern motherboards, and both the ASUS ROG STRIX B860-I and the MSI MAG X870 excel in this area. The ASUS model features one Thunderbolt 4 USB Type-C port, one USB 20Gbps connector, and two USB 10Gbps ports, providing a broad range of options for peripherals and high-speed data transfer.

On the other hand, the MSI MAG X870 Tomahawk offers an impressive array of 12 USB ports in total, including nine USB Type-A and three USB Type-C ports. The addition of a front USB Type-C header with power delivery capability enhances its utility, allowing users to charge devices quickly without needing an outlet. This extensive connectivity makes the MSI a more versatile option for users with multiple peripherals.

Gaming and AI Capabilities

For gaming and AI capabilities, the ASUS ROG STRIX B860-I is designed for cutting-edge AI applications, making it a forward-thinking choice. Its comprehensive support for DDR5, PCIe 5.0, and Wi-Fi 7 ensures that it can handle future gaming demands and AI-driven tasks effectively. The motherboard’s AI and memory technologies, such as ASUS AI Advisor and ASUS-exclusive AI Networking II, are tailored to enhance performance and simplify setup.

The MSI MAG X870 Tomahawk also positions itself as a strong gaming motherboard, particularly for users who prefer AMD processors. Its robust power delivery system and extensive connectivity options cater well to gamers who require stable and high-performance systems. While it may lack some of the AI-focused features of the ASUS model, it nonetheless offers excellent gaming performance with its high-speed networking capabilities.

Design and Build Quality

When it comes to design and build quality, the ASUS ROG STRIX B860-I has a compact Mini-ITX form factor, making it ideal for small builds while still offering high-end features. Its optimized thermal design, which includes large heatsinks and high-conductivity thermal pads, ensures effective cooling, essential for maintaining performance in tight spaces.

In contrast, the MSI MAG X870 Tomahawk boasts a larger ATX form factor, providing more room for additional components and cooling solutions. Its understated black design is visually appealing, and the build quality reflects MSI’s commitment to durability and performance. The motherboard's design choices cater to both aesthetics and functionality, making it suitable for a wide range of builds.

Price Comparison

Pricing is a crucial aspect when considering these motherboards. The ASUS ROG STRIX B860-I is competitively priced at C$294.98, positioning it as an attractive option for users looking for advanced features without breaking the bank. Its focus on AI capabilities and future-proofing makes it a good value for those who plan to leverage the latest technologies.

In contrast, the MSI MAG X870 Tomahawk is priced higher at C$364.99. This premium reflects its extensive power delivery system and connectivity options, making it suitable for serious gamers and users who require robust performance from their AMD builds. While it commands a higher price, the additional features and capabilities may justify the investment for many users.

Which should you buy?

Choosing between the ASUS ROG STRIX B860-I GAMING WIFI and the MSI MAG X870 Tomahawk ultimately depends on your specific needs and preferences. If you are looking for a compact, AI-ready motherboard with advanced connectivity and features designed for Intel processors, the ASUS model is an excellent choice at a lower price point.

However, if you prefer an ATX motherboard that excels with AMD Ryzen processors and offers extensive connectivity options along with a robust power delivery system, the MSI MAG X870 Tomahawk is worth the higher investment. Both motherboards are excellent in their own right, catering to different user requirements in the gaming and computing landscape.

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ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboard vs MSI MAG X870 Tomahawk WiFi Gaming Motherboard | versusfinder