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GIGABYTE B850 AORUS Elite WIFI7 AMD AM5 ATX vs GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX

Updated August 2026 — GIGABYTE B850 AORUS Elite WIFI7 AMD AM5 ATX wins on warranty, GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX wins on power phase and connectivity.

The GIGABYTE Z790 AORUS Elite AX offers superior power design and thermal management at a lower price, making it the better choice for Intel users.

Why GIGABYTE B850 AORUS Elite WIFI7 AMD AM5 ATX is better

Price

B850 is more expensive.

AMD Support

B850 supports AMD Ryzen processors.

Warranty

Both have a 5-year warranty.

Why GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX is better

Power Design

Z790 has a better 16+1+2 power phase.

Thermal Management

Z790 features advanced thermal solutions.

Connectivity

Z790 offers more M.2 slots.

Overall score

GIGABYTE B850 AORUS Elite WIFI7 AMD AM5 ATX
85
GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX
90

Specifications

SpecGIGABYTE B850 AORUS Elite WIFI7 AMD AM5 ATXGIGABYTE Z790 AORUS Elite AX LGA 1700 ATX
Supported CPUAMD RyzenIntel Core
Power Phases14+2+216+1+2
M.2 Slots34
USB TypeUSB-CUSB 3.2 Gen 2x2 Type-C
Memory SupportDDR5DDR5 with XMP 3.0

Dimension comparison

GIGABYTE B850 AORUS Elite WIFI7 AMD AM5 ATXGIGABYTE Z790 AORUS Elite AX LGA 1700 ATX

Overview of the Motherboards

The GIGABYTE B850 AORUS Elite WIFI7 AMD AM5 ATX Motherboard and the GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX Motherboard are both high-performance options catering to different processor families. The B850 AORUS Elite is priced at $209.99, while the Z790 AORUS Elite comes in at a lower price of $189.99, making it about 10% cheaper. Both motherboards offer advanced connectivity and power design, but they differ significantly in their supported processors and features.

Supported Processors

The GIGABYTE B850 AORUS Elite supports AMD's Ryzen 9000, 8000, and 7000 Series processors, whereas the GIGABYTE Z790 AORUS Elite is compatible with Intel's Core 14th, 13th, and 12th Gen processors. This distinction is crucial for users who have a preference for either AMD or Intel. The choice of processor can heavily influence overall system performance, so selecting a motherboard that aligns with your CPU preference is essential.

Power Design

In terms of power design, the GIGABYTE B850 AORUS Elite boasts a robust 14+2+2 power phase configuration, while the GIGABYTE Z790 AORUS Elite offers an even more commanding 16+1+2 power phase setup. This means that the Z790 AORUS Elite provides more power phases, which can lead to improved voltage regulation and stability, particularly when overclocking. Therefore, users aiming for high-performance gaming or intensive computational tasks may find the Z790's power design more appealing.

Memory Compatibility

Both motherboards support DDR5 memory, with GIGABYTE B850 AORUS Elite accommodating four DIMMs and the Z790 AORUS Elite also supporting four SMD DIMMs but with XMP 3.0 memory module support. While both options provide high-speed memory capabilities, the inclusion of XMP 3.0 in the Z790 AORUS Elite allows for easier memory overclocking, potentially enhancing overall system performance even further.

Connectivity Features

The connectivity options are another area where the two motherboards excel, but they differ slightly. The GIGABYTE B850 AORUS Elite features PCIe 5.0, three M.2 slots, and USB-C, while the GIGABYTE Z790 AORUS Elite comes with four PCIe 4.0 x4 M.2 slots and USB 3.2 Gen 2x2 Type-C. While both motherboards provide excellent connectivity, the Z790 AORUS Elite offers more M.2 slots, which can be beneficial for users looking to install multiple high-speed NVMe drives.

Thermal Management

Thermal management is crucial for maintaining system stability, especially during intense gaming or productivity tasks. The GIGABYTE B850 AORUS Elite includes VRM and M.2 Thermal Guard technology to help manage heat effectively. Meanwhile, the GIGABYTE Z790 AORUS Elite features an advanced thermal design that includes M.2 Thermal Guard III, fully covered MOSFET heatsinks, and PCIe Ultra Durable Armor. This suggests that the Z790 AORUS Elite may provide superior thermal management, potentially leading to better performance under load.

Warranty and Support

Both motherboards come with a five-year warranty, indicating the manufacturer's confidence in their durability and reliability. This long warranty period is a significant advantage for consumers, as it provides peace of mind regarding potential defects or issues. However, the warranty alone should not be the deciding factor; performance and compatibility should take precedence when making a choice.

Price Comparison

While the GIGABYTE B850 AORUS Elite is priced at $209.99, the GIGABYTE Z790 AORUS Elite is available for $189.99, making it approximately 10% cheaper. This price difference might sway budget-conscious consumers toward the Z790 AORUS Elite without sacrificing significant performance features. Both motherboards offer excellent value for their respective price points, but those looking for a balance of features and cost may find the Z790 more appealing.

Which should you buy?

Ultimately, the choice between the GIGABYTE B850 AORUS Elite and the GIGABYTE Z790 AORUS Elite depends on your specific needs and preferences. If you are invested in the AMD ecosystem and require support for Ryzen 9000, 8000, or 7000 Series processors, then the B850 AORUS Elite is your go-to option. However, if you prefer Intel's Core processors and favor additional connectivity features, superior power design, and better thermal management, the Z790 AORUS Elite is the superior choice, especially given its lower price.