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ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 vs GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX

Updated August 2026 — ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 wins on audio, GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX wins on price and connectivity.

The GIGABYTE Z790 AORUS Elite AX offers superior features and performance, making it the better choice for gamers and high-performance users. However, the ASRock B550M-ITX/AC is a solid budget option.

Why ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 is better

Price

ASRock is $80 cheaper

Audio

Includes 7.1 channel audio

Size

Mini ITX form factor

Why GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX is better

Memory

Supports advanced DDR5 memory

Power

Superior power delivery design

Connectivity

More PCIe and USB options

Overall score

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4
70
GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX
85

Specifications

SpecASRock B550M-ITX/AC Supports 3rd Gen AMD AM4GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX
SocketAM4LGA 1700
Memory TypeDDR4DDR5
Power PhasesNot specified16+1+2
M.2 Slots14
Audio CodecRealtek ALC887Not specified

Dimension comparison

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX

Overview of the Products

In this comparison, we will examine the ASRock B550M-ITX/AC and the GIGABYTE Z790 AORUS Elite AX motherboards. The ASRock B550M-ITX/AC is priced at $109.99, making it about 42% cheaper than the GIGABYTE Z790 AORUS Elite AX, which retails for $189.99. This price difference sets the stage for a discussion about their respective features, performance, and target user base.

Compatibility with Processors

The ASRock B550M-ITX/AC supports AMD AM4 socket processors, specifically the 3rd generation Ryzen series and newer, while the GIGABYTE Z790 AORUS Elite AX is designed for Intel's LGA 1700 socket, accommodating 12th, 13th, and 14th generation Intel Core processors. This makes the GIGABYTE board ideal for users looking to leverage the latest Intel technology, while the ASRock motherboard may appeal more to those already invested in AMD ecosystems. The choice between the two ultimately hinges on the user's preferred processor brand.

Memory Support

When it comes to memory, the ASRock B550M-ITX/AC supports DDR4 memory with overclocking capabilities up to 4733 MHz, allowing for a degree of performance tuning. In contrast, the GIGABYTE Z790 AORUS Elite AX supports the more advanced DDR5 memory, which can lead to improved performance in data-intensive applications. This difference is crucial for gamers and content creators who need the fastest memory speeds for optimal performance. The GIGABYTE motherboard's DDR5 support makes it more future-proof compared to the ASRock model.

Power Delivery and Design

The GIGABYTE Z790 AORUS Elite AX features a robust power design with a twin 16+1+2 phases digital VRM solution, indicating a strong focus on delivering stable power during intense workloads. The ASRock B550M-ITX/AC, while it has solid components for smooth power delivery, does not specify a comparable power design. For users looking to overclock or push their systems to the limits, the superior power delivery of the GIGABYTE model may be a significant advantage.

Connectivity Options

In terms of connectivity, the GIGABYTE Z790 AORUS Elite AX excels with four PCIe 4.0 x4 M.2 slots and USB 3.2 Gen 2x2 Type-C support, offering extensive options for high-speed storage and peripherals. The ASRock B550M-ITX/AC, while featuring DisplayPort and HDMI outputs, does not provide the same level of connectivity or expandability. For gamers and creators who require multiple high-speed connections, the GIGABYTE motherboard offers clear advantages.

Audio Capabilities

The ASRock B550M-ITX/AC includes 7.1 channel high-definition audio powered by the Realtek ALC887 audio codec, which should suffice for most gaming and multimedia experiences. The GIGABYTE Z790 AORUS Elite AX also includes high-quality audio components, though specific details are not provided. While both motherboards cater to audio needs, the ASRock model is a clear choice for users prioritizing integrated audio performance.

Gaming Performance

The GIGABYTE Z790 AORUS Elite AX is explicitly marketed towards gamers, emphasizing its performance enhancements, such as better power design and next-generation connectivity. The ASRock B550M-ITX/AC, while capable of supporting gaming, is more suited for casual use or budget builds. For serious gamers looking for an edge in performance and future-proofing, the GIGABYTE motherboard is likely the better choice.

Pricing and Value

At $109.99, the ASRock B550M-ITX/AC is significantly more affordable than the GIGABYTE Z790 AORUS Elite AX, which is priced at $189.99. This price difference of $80 can be pivotal for budget-conscious users or those who do not need the advanced features offered by the GIGABYTE model. However, while the ASRock offers great value for its price, users must weigh the benefits of investing in the more expensive GIGABYTE board for its superior features and future-proofing.

Which should you buy?

Choosing between the ASRock B550M-ITX/AC and the GIGABYTE Z790 AORUS Elite AX ultimately depends on your specific needs and budget. If you are looking for an affordable, solid motherboard for AMD processors and don’t require cutting-edge features, the ASRock model is an excellent choice. However, for those seeking top-tier performance, advanced memory support, and future-proofing for Intel's latest processors, the GIGABYTE Z790 AORUS Elite AX, despite its higher price, offers significant advantages that are worth considering.