GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX vs MSI B550-A PRO ProSeries 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 features and performance compared to the MSI B550-A PRO, making it the better choice for high-end builds.
Why GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX is better
Price
GIGABYTE is more feature-rich despite higher cost
Memory
Supports DDR5 for better performance
Connectivity
More advanced networking options available
Why MSI B550-A PRO ProSeries Motherboard is better
Price
MSI is significantly cheaper
Compatibility
Supports AMD Ryzen processors
Audio
Offers AUDIO BOOST for enhanced sound quality
Overall score
Specifications
| Spec | GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX | MSI B550-A PRO ProSeries Motherboard |
|---|---|---|
| Processor Support | Intel 12th-14th Gen | AMD Ryzen 3rd Gen |
| Memory Type | DDR5 | DDR4 |
| M.2 Slots | 4 | 1 |
| USB Ports | USB 3.2 Gen 2x2 | USB 3.2 Gen 2 |
| Audio Codec | High Quality | Realtek ALC892/897 |
Dimension comparison
Introduction to the Motherboards
When comparing motherboards, the GIGABYTE Z790 AORUS Elite AX and the MSI B550-A PRO ProSeries stand out as two strong contenders. The GIGABYTE motherboard is priced at $189.99, while the MSI option is significantly cheaper at $109.00, making it about 43% less expensive. This price difference is significant and reflects the distinct features and target audiences of each product.
Compatibility and Processor Support
The GIGABYTE Z790 AORUS Elite AX supports Intel Core processors from the 12th to 14th generation, providing flexibility for users looking to build or upgrade their systems with Intel components. On the other hand, the MSI B550-A PRO is designed for AMD Ryzen processors and supports the 3rd generation Ryzen and future AMD models with a BIOS update. This difference in compatibility means that users must choose based on their preferred processor brand, which is a critical factor for many builders.
Memory and Performance Capabilities
In terms of memory support, the GIGABYTE Z790 AORUS Elite AX offers DDR5 compatibility with four SMD DIMM slots, allowing for high-performance memory configurations. This is particularly advantageous for gamers and content creators looking for the latest technology. Meanwhile, the MSI B550-A PRO supports dual-channel DDR4 memory up to 128 GB and can reach speeds of 4400 MHz. While DDR5 is generally considered superior to DDR4, the MSI's memory options are still robust for most gaming and professional applications.
Power Delivery and Thermal Management
The power delivery systems of these motherboards differ significantly. The GIGABYTE Z790 AORUS Elite AX features a commanding 16+1+2 power phase design, which ensures stable power delivery and efficient thermal management. This design is complemented by a fully covered MOSFET heatsink and PCIe Ultra Durable Armor. Conversely, the MSI B550-A PRO utilizes Core Boost technology, which optimizes power circuit layouts for steady current delivery. While both motherboards offer effective thermal solutions, the GIGABYTE's advanced power design may provide better performance for overclocking enthusiasts.
Connectivity Options
Connectivity is a strong suit for both motherboards but leans heavily in favor of the GIGABYTE Z790 AORUS Elite AX. It includes four PCIe 4.0 x4 M.2 slots, USB 3.2 Gen 2x2 Type-C, and advanced networking options like WiFi 6E and 2.5GbE LAN. This extensive connectivity makes it ideal for users who require high-speed data transfer and networking capabilities. In contrast, the MSI B550-A PRO offers PCIe 4.0 slots and USB 3.2 Gen 2 but lacks the same level of advanced networking features, which may limit its appeal to users needing cutting-edge connectivity.
Audio and Multimedia Features
Audio performance is another area where the GIGABYTE Z790 AORUS Elite AX shines, though the MSI B550-A PRO also provides solid features. The GIGABYTE motherboard supports high-quality audio solutions as part of its overall design. The MSI B550-A PRO, on the other hand, touts its AUDIO BOOST technology, which promises studio-grade sound quality for an immersive gaming experience. While both motherboards cater to audio needs, the GIGABYTE's overall design may offer a more comprehensive approach to multimedia performance.
Design and Aesthetics
Aesthetically, the GIGABYTE Z790 AORUS Elite AX leans towards a more modern and aggressive gaming look with RGB Fusion capabilities, allowing users to customize the lighting effects. The MSI B550-A PRO, while still visually appealing, adopts a more understated design that may appeal to users looking for a more professional appearance. The choice between these designs ultimately comes down to personal preference and the type of build one is aiming for.
Which should you buy?
Deciding between the GIGABYTE Z790 AORUS Elite AX and the MSI B550-A PRO boils down to specific needs and budget. If you are looking for cutting-edge technology, extensive connectivity options, and superior power delivery, the GIGABYTE motherboard is worth the investment at $189.99. However, if you are on a tighter budget and prefer AMD processors, the MSI B550-A PRO provides excellent value at $109.00, especially for mid-range builds. Ultimately, your choice should align with the processor you wish to use and the features that matter most to your computing needs.

