GIGABYTE B850M DS3H AMD AM5 mATX Motherboard, vs GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX
Updated July 2026 — GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX leads on power and connectivity.
The GIGABYTE Z790 AORUS Elite AX offers superior performance and features, making it the better choice for high-end users. However, the B850M DS3H is a solid budget option for AMD users.
Why GIGABYTE B850M DS3H AMD AM5 mATX Motherboard, is better
Price
B850M DS3H is $70 cheaper
Warranty
Both have a 5-year warranty
Basic Features
Adequate for budget builds
Why GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX is better
Power Design
16+1+2 phase vs 8+2+2 phase
Connectivity
More M.2 slots and USB options
Thermal Management
Advanced thermal design with M.2 Thermal Guard III
Overall score
Specifications
| Spec | GIGABYTE B850M DS3H AMD AM5 mATX Motherboard, | GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX |
|---|---|---|
| Processor | AMD Ryzen | Intel Core |
| Power Phase | 8+2+2 | 16+1+2 |
| M.2 Slots | 2 | 4 |
| USB Type | USB-C | USB 3.2 Gen 2x2 Type-C |
| Memory Support | DDR5 | DDR5 with XMP 3.0 |
Dimension comparison
Overview of the Motherboards
When comparing the GIGABYTE B850M DS3H AMD AM5 mATX Motherboard and the GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX Motherboard, it's clear that both products cater to different processor families and user needs. The B850M DS3H is priced at $119.99, making it about 37% cheaper than the Z790 AORUS Elite AX, which retails for $189.99. This fundamental price difference may significantly influence budget-conscious users looking for performance at a lower cost.
Processor Compatibility
The key distinction lies in the supported processors. The GIGABYTE B850M DS3H supports AMD Ryzen 9000, 8000, and 7000 Series processors, offering flexibility for those invested in AMD's ecosystem. In contrast, the GIGABYTE Z790 AORUS Elite AX is built for Intel Core 14th, 13th, and 12th Gen processors. This compatibility means that your choice of motherboard will largely depend on the CPU you intend to use, and both motherboards provide robust support for their respective processor families.
Power Design and Performance
Power design is a crucial aspect that directly impacts performance. The B850M DS3H features an 8+2+2 power phase configuration, while the Z790 AORUS Elite AX boasts a more commanding 16+1+2 phase design. This difference indicates that the Z790 AORUS Elite AX may provide better power efficiency and stability, especially when overclocking or running demanding applications. The enhanced power design in the AORUS Elite AX is particularly beneficial for gamers and professionals seeking maximum performance from their Intel processors.
Memory Support and Compatibility
Both motherboards support DDR5 memory, which is essential for high-speed performance in modern computing tasks. The B850M DS3H can accommodate four DIMMs, while the Z790 AORUS Elite AX also supports four DIMMs with XMP 3.0 memory module support. However, the Z790 AORUS Elite AX is designed to handle more advanced memory configurations, making it potentially more suitable for users looking to optimize their memory performance. This capability can be especially valuable for gamers and content creators who rely on high memory bandwidth.
Connectivity Options
Connectivity differs significantly between these two motherboards. The B850M DS3H offers PCIe 5.0, two M.2 slots, and USB-C connectivity, providing adequate options for most users. However, the Z790 AORUS Elite AX expands on this with four PCIe 4.0 x4 M.2 slots, USB 3.2 Gen 2x2 Type-C, and additional features like Wi-Fi 6E. This expanded connectivity ensures that users can take advantage of more storage devices and faster data transfer rates, making the Z790 AORUS Elite AX a more future-proof option.
Thermal Management
Effective thermal management is essential for maintaining system stability. The B850M DS3H incorporates a MOSFET heatsink, which provides basic thermal protection. On the other hand, the Z790 AORUS Elite AX features a more sophisticated thermal design with M.2 Thermal Guard III and fully covered MOSFET heatsinks. This advanced thermal management system enhances the motherboard’s ability to handle high temperatures, making it a better choice for gamers and professionals who may push their systems to the limit.
Warranty and Support
Both motherboards come with a notable five-year warranty, which is a significant assurance for users. This extended warranty period reflects the manufacturers' confidence in their products and provides peace of mind for buyers. Whether you choose the B850M DS3H or the Z790 AORUS Elite AX, you can feel secure in your investment, knowing that GIGABYTE stands behind their products for an extended time.
Which should you buy?
Choosing between the GIGABYTE B850M DS3H and the GIGABYTE Z790 AORUS Elite AX ultimately comes down to your specific needs. If you are on a budget and plan to use AMD Ryzen processors, the B850M DS3H is a solid choice at $119.99, offering essential features for a value-oriented build. However, if you seek higher performance, better thermal management, and extensive connectivity options for Intel CPUs, the Z790 AORUS Elite AX at $189.99 may be worth the investment. Consider your processor choice, budget, and performance requirements to make the best decision.

