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GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX vs MSI MAG B550 Tomahawk Gaming Motherboard

Updated August 2026 — GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX leads on performance and features.

The GIGABYTE Z790 AORUS Elite AX offers superior performance and features for Intel users, while the MSI MAG B550 Tomahawk is a budget-friendly option for AMD enthusiasts.

Why GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX is better

Performance

Supports DDR5 for faster memory speeds

Power Design

16+1+2 phases digital VRM for better stability

Connectivity

More M.2 slots and USB 3.2 Gen 2x2 Type-C

Why MSI MAG B550 Tomahawk Gaming Motherboard is better

Price

More affordable at $134.99

Compatibility

Supports AMD Ryzen processors

Audio Features

Audio Boost technology for enhanced sound quality

Overall score

GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX
88
MSI MAG B550 Tomahawk Gaming Motherboard
76

Specifications

SpecGIGABYTE Z790 AORUS Elite AX LGA 1700 ATXMSI MAG B550 Tomahawk Gaming Motherboard
SocketLGA 1700AM4
RAM TypeDDR5DDR4
M.2 Slots42
LAN2.5GbE2.5G + Gigabit
RGBRGB FusionMystic Light

Dimension comparison

GIGABYTE Z790 AORUS Elite AX LGA 1700 ATXMSI MAG B550 Tomahawk Gaming Motherboard

Overview

When choosing a motherboard, both the GIGABYTE Z790 AORUS Elite AX and the MSI MAG B550 Tomahawk Gaming offer impressive features tailored for different processor families. The GIGABYTE Z790 is designed for Intel's latest core processors, while the MSI MAG B550 caters to AMD Ryzen users. Each board has its unique strengths, making them suitable for different gaming and productivity needs.

Pricing

The GIGABYTE Z790 AORUS Elite AX is priced at $189.99, whereas the MSI MAG B550 Tomahawk Gaming is more budget-friendly at $134.99. This makes the MSI option about 29% cheaper than the GIGABYTE board. Price can be a significant factor for many builders, especially those looking to save on their overall system costs. However, this pricing disparity also reflects the different target audiences and features provided by each motherboard.

Compatibility

The GIGABYTE Z790 AORUS Elite AX supports Intel Core 14th, 13th, and 12th generation processors, utilizing the LGA 1700 socket. On the other hand, the MSI MAG B550 Tomahawk is compatible with AMD Ryzen 5000 series processors using the AM4 socket. This compatibility difference is crucial for builders, as it determines the choice of CPU and overall system performance. Each motherboard is optimized for its respective processor family, ensuring users can achieve the best performance from their selected chip.

Memory Support

In terms of memory, the GIGABYTE Z790 AORUS Elite AX supports DDR5 RAM, allowing for faster data rates and improved performance. It features four SMD DIMMs with XMP 3.0 support. Conversely, the MSI MAG B550 Tomahawk supports DDR4 memory, with the ability to handle up to 128 GB at speeds up to 4866 MHz. This distinction is essential, as DDR5 generally offers better performance, but it also comes at a higher price point. Users looking for the latest in memory technology may prefer the GIGABYTE option.

Power Design and Thermal Management

The GIGABYTE Z790 AORUS Elite AX boasts a commanding power design with a 16+1+2 phases digital VRM solution, featuring a 70A power stage for optimal power delivery. It also includes advanced thermal management features like M.2 Thermal Guard III and fully covered MOSFET heatsinks. The MSI MAG B550 Tomahawk, while also robust, features a premium thermal solution with an aluminum cover and M.2 Shield Frozr. This difference in power design can impact stability and performance, especially for users looking to overclock their systems.

Connectivity Options

Connectivity is another area where these motherboards differ. The GIGABYTE Z790 AORUS Elite AX includes four PCIe 4.0 x4 M.2 slots and USB 3.2 Gen 2x2 Type-C, offering extensive options for high-speed storage and peripherals. In contrast, the MSI MAG B550 Tomahawk provides PCIe 4.0, along with a variety of USB ports including USB 3.2 Gen 2. While both motherboards offer modern connectivity, the GIGABYTE model stands out for those needing more M.2 slots and advanced USB options.

Gaming Features

For gamers, the GIGABYTE Z790 AORUS Elite AX includes RGB Fusion for customizable lighting effects, and its powerful thermal design ensures sustained performance during intensive gaming sessions. The MSI MAG B550 Tomahawk also features Mystic Light for RGB customization and boasts Audio Boost technology for studio-quality sound. Both motherboards cater to gaming enthusiasts, but the GIGABYTE’s enhanced thermal management may provide an edge during extended gaming periods.

Build Quality and Aesthetics

Both motherboards showcase impressive build quality and aesthetics. The GIGABYTE Z790 AORUS Elite AX features a sleek design with RGB lighting, while the MSI MAG B550 Tomahawk is also visually appealing with its aluminum cover and customizable lighting effects. Users looking for a motherboard that not only performs well but also looks great in their build will find both options appealing. However, the GIGABYTE motherboard may offer a more modern design approach with its striking aesthetics.

Which should you buy?

Your choice between the GIGABYTE Z790 AORUS Elite AX and the MSI MAG B550 Tomahawk ultimately depends on your specific needs and budget. If you are looking for a high-performance motherboard that supports the latest Intel processors with cutting-edge features, the GIGABYTE Z790 is the better option, albeit at a higher price of $189.99. However, if you are building a system with an AMD Ryzen processor and prefer a more budget-friendly motherboard without sacrificing essential features, the MSI MAG B550 Tomahawk at $134.99 is an excellent choice.