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ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 vs ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe

Updated August 2026 — ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 wins on size, ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe wins on cooling and connectivity.

The ASUS Z790 GAMING WIFI7 offers superior features and performance compared to the ASRock B550M-ITX/AC, making it the better choice for high-end users.

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

Price

ASRock is cheaper by $40

Size

Mini ITX form factor is more compact

Basic Features

Sufficient for casual gaming

Why ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe is better

Performance

Supports DDR5 and advanced power solutions

Connectivity

Includes PCIe 5.0 and Wi-Fi 7

Cooling

Comprehensive cooling solutions available

Overall score

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4
75
ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe
90

Specifications

SpecASRock B550M-ITX/AC Supports 3rd Gen AMD AM4ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe
SocketAM4LGA 1700
Memory TypeDDR4DDR5
M.2 Slots13
PCIe Version4.05.0
Audio CodecRealtek ALC887Realtek 1Gb LAN

Dimension comparison

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe

Overview

The ASRock B550M-ITX/AC and the ASUS Z790 GAMING WIFI7 are two distinct motherboards tailored to different user needs. The ASRock board is priced at $109.99, making it about 17% cheaper than the ASUS model, which retails for $149.99. This price difference signifies a varied target audience, with ASRock catering to budget-conscious users and ASUS appealing to those seeking cutting-edge features.

Compatibility

The ASRock B550M-ITX/AC is designed for AMD processors, supporting the AM4 socket and various Ryzen generations, including the 3000, 4000, and 5000 series. In contrast, the ASUS Z790 GAMING WIFI7 is compatible with Intel's LGA 1700 socket, supporting the latest 13th and 14th generation Intel Core processors, as well as Pentium Gold and Celeron processors. This distinction in compatibility emphasizes the need for users to consider their existing or planned CPU investments when selecting a motherboard.

Performance

The ASRock B550M-ITX/AC offers solid performance, particularly for budget gamers, with support for DDR4 memory up to 4733 MHz (overclocked). It also features robust power delivery for stable operation. On the other hand, the ASUS Z790 GAMING WIFI7 is built for high-performance computing, featuring advanced power solutions with a 14+1 DrMOS configuration and support for DDR5 memory. This makes the ASUS motherboard more suited for users looking for next-gen speed and reliability, particularly in demanding applications like gaming and content creation.

Features

Both motherboards come with valuable features, but they cater to different preferences. The ASRock B550M-ITX/AC includes essential graphics output options like DisplayPort and HDMI, along with 7.1 CH HD audio via the Realtek ALC887 codec. Conversely, the ASUS Z790 GAMING WIFI7 boasts an extensive array of features, including PCIe 5.0 support, three M.2 slots for high-speed storage, and advanced connectivity options like Wi-Fi 7 and USB 3.2 Gen 2x2 Type-C. This makes the ASUS board a more future-proof option for users who want cutting-edge technology.

Cooling Solutions

Cooling capabilities vary significantly between the two motherboards. The ASRock B550M-ITX/AC does not specify any advanced cooling technologies, focusing instead on efficient power delivery. Meanwhile, the ASUS Z790 GAMING WIFI7 is equipped with comprehensive cooling solutions, including large VRM heatsinks and hybrid fan headers, along with Fan Xpert 4 and AI Cooling II features. This ensures that high-performance components remain cool under load, making the ASUS board a better choice for overclockers and intensive workloads.

Connectivity

When it comes to connectivity, the ASUS Z790 GAMING WIFI7 clearly outshines the ASRock B550M-ITX/AC. The ASUS model supports PCIe 5.0, which is essential for maximizing the performance of the latest GPUs and SSDs. Additionally, it offers multiple USB 3.2 Gen 1 and Gen 2x2 Type-C ports, including Thunderbolt header support. In contrast, the ASRock motherboard provides standard connectivity options but lacks support for the latest PCIe technology, limiting its future-proofing capabilities.

Audio and Networking

Audio and networking features also set these motherboards apart. The ASRock B550M-ITX/AC features 7.1 CH HD audio, suitable for most gaming and entertainment needs. However, it is relatively basic compared to the ASUS Z790 GAMING WIFI7, which includes Realtek 1Gb LAN and various connectivity options that enhance online gaming experiences. The ASUS board's inclusion of Wi-Fi 7 further solidifies its position as a premium choice for users who prioritize high-speed internet access.

Which should you buy?

Choosing between the ASRock B550M-ITX/AC and the ASUS Z790 GAMING WIFI7 ultimately depends on your specific needs and budget. If you are looking for a cost-effective solution that supports AMD processors, the ASRock model at $109.99 is a solid choice for casual gaming or general use. However, if you prefer cutting-edge technology, advanced features, and superior performance, the ASUS Z790 GAMING WIFI7 at $149.99 would be worth the investment. Each motherboard has its strengths and is designed for different user bases, so consider what aspects are most important to you before making a decision.