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GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard, vs MSI MAG B850M Mortar WiFi Motherboard, mATX

Updated August 2026 — MSI MAG B850M Mortar WiFi Motherboard, mATX leads on price and connectivity.

The GIGABYTE Z790 Eagle AX offers better value for Intel users, while the MSI MAG B850M Mortar WiFi excels in features for AMD processors.

Why GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard, is better

Price

GIGABYTE is $60 cheaper

Power Delivery

GIGABYTE has a solid VRM for Intel CPUs

Thermal Design

GIGABYTE features advanced thermal solutions

Why MSI MAG B850M Mortar WiFi Motherboard, mATX is better

Connectivity

MSI supports Wi-Fi 7 and PCIe 5.0

Memory Speed

MSI supports DDR5 speeds over 8200 MT/s

Storage Options

MSI emphasizes M.2 Gen5 support

Overall score

GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard,
75
MSI MAG B850M Mortar WiFi Motherboard, mATX
82

Specifications

SpecGIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard,MSI MAG B850M Mortar WiFi Motherboard, mATX
SocketLGA 1700AM5
VRM Phases12+1+112 Duet Rail
DDR5 SupportUp to 4800 MT/s8200+ MT/s (OC)
PCIe Version4.05.0
Wi-Fi6E7

Dimension comparison

GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard,MSI MAG B850M Mortar WiFi Motherboard, mATX

Overview of the GIGABYTE Z790 Eagle AX and MSI MAG B850M Mortar WiFi

The GIGABYTE Z790 Eagle AX is priced at $159.99, while the MSI MAG B850M Mortar WiFi comes in at $219.99, making the GIGABYTE board about 27% cheaper. Both motherboards target gamers and power users, but they cater to different processor families. The GIGABYTE supports Intel’s latest 14th, 13th, and 12th Gen processors, while the MSI is designed for AMD’s Ryzen 9000, 8000, and 7000 series.

Design and Build Quality

The GIGABYTE Z790 Eagle AX features a robust ATX form factor, designed to accommodate a variety of builds with ample space for components and cooling solutions. Its comprehensive thermal design includes enlarged MOSFET heatsinks and an M.2 Thermal Guard, ensuring optimal performance even under load. Conversely, the MSI MAG B850M Mortar WiFi utilizes a micro ATX structure, which is compact but still offers a sturdy build. The MSI board features a premium cooling system with 7W/mK MOSFET thermal pads and an extended heatsink, making it equally capable of handling high-performance components.

Power Delivery and VRM

When it comes to power delivery, the GIGABYTE Z790 Eagle AX employs a twin 12+1+1 phases digital VRM solution, providing a solid foundation for stable power to the CPU. This design is especially beneficial for overclocking and demanding tasks. On the other hand, the MSI MAG B850M Mortar WiFi features a 12 Duet Rail Power System (60A, SPS) VRM tailored specifically for the latest Ryzen processors. This system ensures that users can push their AMD CPUs to their limits, making it ideal for those prioritizing extreme performance.

Memory Support and Overclocking

The GIGABYTE Z790 Eagle AX supports dual-channel DDR5 memory with four DIMMs, making it a capable choice for users looking to capitalize on high-speed memory. However, the MSI MAG B850M Mortar WiFi takes memory performance a step further with support for DDR5 speeds exceeding 8200 MT/s when overclocked. This means that users can push their memory modules to their maximum potential, providing a significant edge in tasks that benefit from higher memory bandwidth.

Connectivity Options

In terms of connectivity, the GIGABYTE Z790 Eagle AX offers a range of features, including PCIe 4.0 support, USB-C 3.2, and built-in Wi-Fi 6E with 2.5GbE LAN. This combination ensures that users have access to fast data transfer rates and reliable network connections. The MSI MAG B850M Mortar WiFi, meanwhile, embraces cutting-edge technology with PCIe 5.0 x16 support, Wi-Fi 7, and Bluetooth 5.4. This advanced connectivity suite makes it an appealing choice for gamers and content creators who demand the fastest possible network speeds and data transfers.

Storage Solutions

The GIGABYTE Z790 Eagle AX features three M.2 slots, which provide ample storage options for NVMe SSDs, enhancing load times and system responsiveness. The advanced thermal design helps prevent throttling, allowing users to fully utilize their high-speed storage solutions. In comparison, the MSI MAG B850M Mortar WiFi also includes three M.2 connectors, but with a notable emphasis on M.2 Gen5 support. This means that users can take advantage of the latest storage technologies, ensuring future-proofing for those looking to upgrade their storage solutions.

Aesthetic Appeal

When it comes to aesthetics, both motherboards have their unique flair. The GIGABYTE Z790 Eagle AX features RGB Fusion, allowing users to customize the lighting effects to match their build. The overall design is sleek and modern, appealing to gamers who appreciate a visually striking setup. The MSI MAG B850M Mortar WiFi also boasts a stylish look with a robust aluminum cover and a clean layout, making it a visually appealing option for a variety of builds. Both boards cater to aesthetic preferences, so choosing between them may come down to personal taste.

Which should you buy?

Choosing between the GIGABYTE Z790 Eagle AX and the MSI MAG B850M Mortar WiFi ultimately depends on your specific needs and preferences. If you are looking for a budget-friendly option with solid performance for Intel CPUs, the GIGABYTE board at $159.99 is a compelling choice. However, if you prioritize cutting-edge technology, particularly for AMD Ryzen processors, and are willing to pay a premium at $219.99, the MSI board offers enhanced features and future-proofing capabilities. Each motherboard excels in its domain, making your decision hinge on whether you prefer Intel or AMD platforms and how much you are willing to invest.