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ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe vs Gigabyte A520I AC

Updated August 2026 — ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe wins on performance and cooling, Gigabyte A520I AC wins on value.

The ASUS Z790 GAMING WIFI7 offers superior performance and features compared to the Gigabyte A520I AC, making it the better choice for high-end builds.

Why ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe is better

Performance

Higher RAM support with DDR5

Connectivity

Includes PCIe 5.0 and Wi-Fi 7

Power Delivery

Robust 14+1 DrMOS design

Why Gigabyte A520I AC is better

Price

More affordable at $99.99

Size

Compact Mini-ITX form factor

Basic Features

Adequate for everyday tasks

Overall score

ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe
88
Gigabyte A520I AC
75

Specifications

SpecASUS Z790 GAMING WIFI7 ATX motherboard with PCIeGigabyte A520I AC
SocketLGA 1700AM4
Memory TypeDDR5DDR4
PCIe Version5.03.0
LAN1Gb Realtek1Gb ALC887
Wi-FiWi-Fi 7Intel Dual Band AC

Dimension comparison

ASUS Z790 GAMING WIFI7 ATX motherboard with PCIeGigabyte A520I AC

Overview of the ASUS Z790 GAMING WIFI7 and Gigabyte A520I AC

The ASUS Z790 GAMING WIFI7 is priced at $149.99, while the Gigabyte A520I AC is significantly cheaper at $99.99, making it about 33% less expensive. Both motherboards cater to different user needs and preferences, with the ASUS model aiming for high-performance gaming setups, and the Gigabyte option focusing on budget-friendly builds.

Socket Compatibility

The ASUS Z790 GAMING WIFI7 features an Intel LGA 1700 socket, supporting Intel Core 13th and 14th generation processors, alongside older Intel Pentium Gold and Celeron processors. This makes it suitable for users seeking cutting-edge performance and versatility. In contrast, the Gigabyte A520I AC is designed for AMD Ryzen processors using the AM4 socket, specifically supporting 3rd Gen Ryzen CPUs. Depending on your choice of processor, this socket difference could be a crucial factor in your decision-making.

Memory Support

When it comes to memory, the ASUS Z790 GAMING WIFI7 supports DDR5 RAM, which allows for higher speeds and better performance compared to traditional DDR4 memory. The motherboard also utilizes exclusive memory technologies like ASUS Enhanced Memory Profile II, ensuring optimal performance. On the other hand, the Gigabyte A520I AC supports dual-channel DDR4 memory, with a maximum of 2 DIMMs. For users looking to harness the latest memory technology, the ASUS option is clearly superior.

Connectivity Options

Connectivity is a major highlight for the ASUS Z790 GAMING WIFI7, which offers advanced features such as PCIe 5.0, USB 3.2 Gen 2x2 Type-C, and Wi-Fi 7. This facilitates faster data transfer rates and improved network performance, essential for gamers and professionals alike. The Gigabyte A520I AC, while more budget-friendly, features PCIe 3.0 and Intel Dual Band AC Wi-Fi, which are adequate for most users but lag behind the latest standards. If cutting-edge connectivity is a priority, the ASUS motherboard stands out.

Power Delivery and Cooling Solutions

The power delivery system of the ASUS Z790 GAMING WIFI7 is robust, featuring a 14+1 DrMOS design that ensures stable power delivery even under heavy loads. This is complemented by a comprehensive cooling solution that includes large VRM heatsinks and hybrid fan headers. In comparison, the Gigabyte A520I AC has a Direct 6 Phases Digital PWM with 55A DrMOS, which is effective for mid-range builds but may not offer the same level of performance during intense gaming sessions. For power users, the ASUS motherboard offers a clear advantage.

Audio and Network Features

Audio capabilities are another point of difference. The ASUS Z790 GAMING WIFI7 boasts a Realtek 1Gb LAN, ensuring reliable and fast networking, alongside features like Aura Sync for enhanced aesthetics. The Gigabyte A520I AC, on the other hand, comes with an ALC887 audio codec and blazing fast 1GbE LAN, providing decent audio and network performance for general use. While both options have integrated networking, the ASUS model offers additional features that enhance the overall user experience.

Form Factor and Size

The ASUS Z790 GAMING WIFI7 is an ATX motherboard, providing ample space for expansion slots and components. This can be advantageous for users looking to build a powerful gaming rig with multiple GPUs or other peripherals. The Gigabyte A520I AC is a Mini-ITX board, making it more suitable for compact builds where space is a premium. Choosing between these form factors will depend on the specific needs of your build and the available case space.

Pricing and Value

At $149.99, the ASUS Z790 GAMING WIFI7 is more expensive than the Gigabyte A520I AC, which is priced at $99.99. This represents a price difference of about $50, or 33%. While the ASUS motherboard offers advanced features and performance that justify its higher price tag, the Gigabyte A520I AC provides good value for users on a tighter budget. If you need high-end features and plan on pushing hardware to its limits, the investment in the ASUS could be worthwhile.

Which should you buy?

Ultimately, the choice between the ASUS Z790 GAMING WIFI7 and the Gigabyte A520I AC comes down to your specific needs and budget. If you are a gamer or a professional needing high performance, advanced connectivity, and superior memory support, the ASUS model is the better option despite its higher price. However, if you’re building a budget-friendly system that still offers solid performance for everyday tasks and light gaming, the Gigabyte motherboard provides excellent value at a much lower price point.