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Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX vs MSI MAG B850M Mortar WiFi Motherboard, mATX

Updated August 2026 — Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX wins on aesthetics, MSI MAG B850M Mortar WiFi Motherboard, mATX wins on performance and memory.

The MSI MAG B850M Mortar WiFi offers superior performance and features compared to the Asus ROG Strix B550-F Gaming WiFi II, making it the better choice for high-end gaming setups.

Why Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX is better

Price

Asus is $80 cheaper

Aesthetics

Customizable RGB lighting

Power Stages

12+2 power stages for decent performance

Why MSI MAG B850M Mortar WiFi Motherboard, mATX is better

Processor Support

Supports Ryzen 9000 series

Memory Speed

Supports DDR5 up to 8200+ MT/s

Connectivity

Includes Wi-Fi 7 and PCIe 5.0

Overall score

Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX
75
MSI MAG B850M Mortar WiFi Motherboard, mATX
90

Specifications

SpecAsus ROG Strix B550-F Gaming WiFi II AMD AM4 ATXMSI MAG B850M Mortar WiFi Motherboard, mATX
SocketAM4AM5
VRM12+212 Duet Rail
Memory TypeDDR4DDR5
Max Memory Speed3200 MT/s8200+ MT/s
Wi-FiWi-Fi 6EWi-Fi 7

Dimension comparison

Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATXMSI MAG B850M Mortar WiFi Motherboard, mATX

Introduction to Asus ROG Strix B550-F Gaming WiFi II and MSI MAG B850M Mortar WiFi

The Asus ROG Strix B550-F Gaming WiFi II and MSI MAG B850M Mortar WiFi are two high-performance motherboards designed to cater to gamers and PC enthusiasts alike. The Asus board is priced at $139.99, while the MSI model comes in at $219.99, making it about 57% more expensive than its competitor. Both motherboards boast impressive features and capabilities, but they target different segments of the market.

Performance Capabilities

When it comes to performance, the MSI MAG B850M Mortar WiFi takes the lead with its support for AMD Ryzen 9000 series processors, whereas the Asus ROG Strix B550-F is compatible with Ryzen 3000 and 5000 series processors. The B850M Mortar’s 12 Duet Rail Power System (60A, SPS) VRM is designed for high performance, allowing for enhanced stability and power delivery, which is critical for gamers pushing their systems to the max. In contrast, the Asus board provides robust power with its 12+2 teamed power stages but is limited to the older Ryzen architecture.

Memory and Overclocking Support

The MSI MAG B850M Mortar WiFi supports DDR5 memory with extreme overclocking speeds reaching up to 8200+ MT/s, which is a significant advantage over the Asus ROG Strix B550-F that supports DDR4 memory. While the ROG Strix board is equipped with dual M.2 slots, the B850M Mortar goes further with triple M.2 connectors, allowing for more storage options and faster data transfer rates. This makes the MSI motherboard a better choice for users looking to maximize their system’s memory and storage capabilities.

Connectivity Options

In terms of connectivity, the MSI MAG B850M Mortar WiFi also holds an advantage. It features Wi-Fi 7 and Bluetooth 5.4, compared to the Asus ROG Strix B550-F's WiFi 6E and Bluetooth v5.2. The inclusion of PCIe 5.0 x16 slots in the B850M Mortar allows for future-proofing against upcoming graphics cards, while the Asus board offers PCIe 4.0. The MSI motherboard also provides faster LAN capabilities with 5G LAN, making it ideal for online gaming and high-speed internet use.

Thermal Management

Cooling solutions are vital for maintaining performance, especially during intense gaming sessions. The MSI MAG B850M Mortar WiFi features advanced thermal management with its FROZR GUARD technology, which includes multiple thermal pads and an extended heatsink to keep temperatures down. In contrast, while the Asus ROG Strix B550-F does include thermal management features like ASUS LANGuard and a durable Stack Cool 3+ design, it may not match the aggressive cooling capabilities of the MSI board. For users who push their hardware hard, MSI’s thermal solutions might prove more effective.

Aesthetic and Build Quality

Aesthetic appeal can be a deciding factor for many PC builders. The Asus ROG Strix B550-F features futuristic aesthetics with an Addressable Gen 2 RGB header and Aura Sync, allowing for customizable lighting options that appeal to gamers looking to showcase their builds. While the MSI MAG B850M Mortar WiFi also features a sleek design suitable for a modern gaming setup, it lacks the extensive RGB options found on the Asus board. However, both motherboards are built with durable materials that enhance their longevity.

Pricing and Value Proposition

With the Asus ROG Strix B550-F priced at $139.99 and the MSI MAG B850M Mortar WiFi at $219.99, there is a clear price difference of $80. The lower cost of the Asus motherboard makes it a compelling option for budget-conscious gamers who still want quality performance. However, the MSI motherboard offers advanced features and future-proofing capabilities that may justify its higher price for users who are looking to invest in the latest technology and maximize their gaming experience.

Which should you buy?

Choosing between the Asus ROG Strix B550-F Gaming WiFi II and the MSI MAG B850M Mortar WiFi ultimately depends on your specific needs and budget. If you are looking for a more affordable option that still delivers solid performance for Ryzen 3000 and 5000 processors, the Asus board is a great choice at $139.99. However, if you are seeking the latest technology with superior connectivity, memory support, and enhanced thermal management, the MSI motherboard, despite its higher price of $219.99, may offer the value you need for a high-performance gaming rig.