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ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 vs GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard,

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

The GIGABYTE Z790 Eagle AX offers superior performance and features compared to the ASRock B550M-ITX/AC. For those seeking the latest technology and higher capabilities, the GIGABYTE is the better choice.

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

Price

ASRock is $50 cheaper

Size

ASRock is a compact Mini ITX

Audio

ASRock has specified audio capabilities

Why GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard, is better

Performance

GIGABYTE has a superior power phase design

Memory

GIGABYTE supports DDR5 memory

Connectivity

GIGABYTE includes USB 3.2 Gen 2x2 Type-C and WiFi 6E

Overall score

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4
75
GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard,
88

Specifications

SpecASRock B550M-ITX/AC Supports 3rd Gen AMD AM4GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard,
SocketAM4LGA 1700
RAM TypeDDR4DDR5
Power Phase412+1+1
Audio CodecRealtek ALC887Not specified
M.2 Slots33

Dimension comparison

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard,

Overview of the ASRock B550M-ITX/AC and GIGABYTE Z790 Eagle AX

The ASRock B550M-ITX/AC is priced at $109.99, while the GIGABYTE Z790 Eagle AX comes in at $159.99, making it about 45% more expensive. Both motherboards cater to different processor families, with the ASRock supporting AMD Ryzen processors and the GIGABYTE designed for Intel's 12th, 13th, and 14th Gen CPUs. When selecting between the two, it's essential to consider the intended use case, whether for gaming, content creation, or general productivity.

Performance Capabilities

The GIGABYTE Z790 Eagle AX offers superior performance capabilities with its 12+1+1 power phase design, which is engineered for handling higher power demands, particularly during intensive tasks. In contrast, the ASRock B550M-ITX/AC is built for stability with its solid power delivery, but it lacks the same level of power management. The GIGABYTE motherboard is optimized for Intel's latest processors, promoting enhanced gaming experiences and multitasking efficiency, whereas the ASRock is tailored for AMD's Ryzen series, which also boasts commendable performance but may not match the Z790 in high-demand scenarios.

Memory Support and Expandability

The GIGABYTE Z790 Eagle AX supports dual-channel DDR5 memory, accommodating up to four DIMMs, providing a significant advantage for users looking to leverage the latest in RAM technology. This allows for faster data transfer rates and improved overall system performance. Meanwhile, the ASRock B550M-ITX/AC supports DDR4 memory, with speeds of up to 4733 MHz when overclocked. While DDR4 is still widely used and capable of handling most tasks efficiently, the GIGABYTE's DDR5 support positions it as a more future-proof option, particularly for gamers and professionals aiming for peak performance.

Graphics and Output Options

The ASRock B550M-ITX/AC includes DisplayPort and HDMI outputs, making it suitable for users who require multiple display options for either gaming or productivity. This flexibility is crucial for those who might want to set up dual or triple monitor configurations. On the other hand, the GIGABYTE Z790 Eagle AX leverages advanced connectivity, including PCIe 4.0 and NVMe M.2 slots, allowing for faster SSD speeds and more efficient data handling, which can be particularly beneficial in gaming and professional applications. While both motherboards provide essential graphics outputs, the GIGABYTE's additional modern connectivity options offer a more versatile and high-performing experience.

Connectivity Features

Connectivity is a significant differentiator between these two motherboards. The GIGABYTE Z790 Eagle AX is equipped with USB 3.2 Gen 2x2 Type-C, providing high-speed connections for external devices, alongside built-in WiFi 6E and 2.5GbE LAN for superior network performance. In contrast, the ASRock B550M-ITX/AC offers standard connectivity options, which may suffice for most users but lack the speed and efficiency of the GIGABYTE's features. For serious gamers and content creators who rely on fast data transfer and network speed, the GIGABYTE's offerings are clearly more advantageous.

Audio Quality

Audio capabilities also differ significantly between the two motherboards. The ASRock B550M-ITX/AC features 7.1 CH HD audio powered by the Realtek ALC887 Audio Codec, which provides a decent audio experience for gaming and media consumption. However, the GIGABYTE Z790 Eagle AX does not specify its audio capabilities in detail but emphasizes its comprehensive thermal design and overall performance enhancements, which may imply better sound management under load. While both motherboards aim to deliver quality audio experiences, the ASRock's specification provides a clear understanding of its audio capabilities.

Aesthetic and Build Quality

In terms of aesthetics, both motherboards showcase a robust build quality. The GIGABYTE Z790 Eagle AX comes with advanced thermal designs and enlarged MOSFET heatsinks, indicating a focus on cooling and durability, essential for high-performance builds. The ASRock B550M-ITX/AC, being a Mini ITX motherboard, is compact and designed for space-saving setups, appealing to users looking for smaller form factors. Ultimately, the choice between these two will depend on whether a user prioritizes compactness or advanced cooling capabilities.

Which should you buy?

Choosing between the ASRock B550M-ITX/AC and the GIGABYTE Z790 Eagle AX depends largely on your specific needs and future plans. If you’re invested in the AMD ecosystem and need a cost-effective solution for general use or light gaming, the ASRock B550M-ITX/AC at $109.99 is a solid choice. However, if you aim for cutting-edge performance with Intel's latest processors and are willing to invest $159.99 for superior memory support, connectivity, and overall capabilities, the GIGABYTE Z790 Eagle AX would be the better option. Ultimately, your decision should reflect your hardware preferences and performance requirements.