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Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX vs GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,

Updated August 2026 — Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX wins on price and networking, GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, wins on memory and socket.

The Asus ROG Strix B550-F Gaming WiFi II offers great value for AMD users, while the GIGABYTE Z790 UD AC excels in cutting-edge features for Intel processors.

Why Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX is better

Price

Asus is cheaper at $139.99

Aesthetics

Customizable RGB with Aura Sync

Networking

Includes WiFi 6E for better wireless performance

Why GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, is better

Power

16+1+1 power phase for better efficiency

Memory

Supports latest DDR5 memory

Connectivity

PCIe 5.0 for faster data transfer

Overall score

Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX
82
GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,
88

Specifications

SpecAsus ROG Strix B550-F Gaming WiFi II AMD AM4 ATXGIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,
Socket TypeAM4LGA 1700
Memory TypeDDR4DDR5
Power Phases12+216+1+1
PCIe Version4.05.0
WiFi6EDual Band

Dimension comparison

Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATXGIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,

Price Comparison

The Asus ROG Strix B550-F Gaming WiFi II is priced at $139.99, making it about 17% cheaper than the GIGABYTE Z790 UD AC, which costs $149.99. While the price difference may seem minimal, it can be significant for budget-conscious consumers looking to build a powerful gaming rig without breaking the bank. Both motherboards offer excellent features, but the Asus model has a slight edge in affordability, which could influence a buyer's decision if they are looking to maximize value for their investment.

Socket Compatibility

The Asus ROG Strix B550-F Gaming WiFi II features an AM4 socket that supports AMD Ryzen 3000 and 5000 series processors. In contrast, the GIGABYTE Z790 UD AC uses the LGA 1700 socket, catering to Intel Core 14th, 13th, and 12th Gen processors. This difference is crucial for consumers who have a preference for either AMD or Intel, as it determines the compatibility with their chosen CPU. Therefore, if you are already invested in one brand, your choice of motherboard will be influenced by the socket type.

Memory Support

When it comes to memory support, the Asus ROG Strix B550-F Gaming WiFi II is designed for DDR4 memory, offering compatibility with a range of Ryzen processors. Meanwhile, the GIGABYTE Z790 UD AC supports DDR5 memory, which is the latest standard providing improved speed and efficiency. This difference can be a significant factor for gamers and professionals seeking cutting-edge performance, as DDR5 can allow for higher bandwidth and better multitasking capabilities. Thus, if future-proofing is a priority, the GIGABYTE motherboard is the more advanced option.

Power Delivery and Design

In terms of power delivery, the Asus ROG Strix B550-F Gaming WiFi II features a robust 12+2 teamed power stage configuration. This setup is designed to provide stable power to the CPU, enhancing performance and reliability during demanding gaming sessions. On the other hand, the GIGABYTE Z790 UD AC boasts a 16+1+1 power phase design with 60A DrMOS. This indicates that while both motherboards offer strong power solutions, the GIGABYTE model may provide superior power efficiency and stability, making it a better choice for high-performance builds.

Connectivity Options

Connectivity is another area where both motherboards excel. The Asus ROG Strix B550-F Gaming WiFi II includes PCIe 4.0 support, dual M.2 slots, and onboard WiFi 6E, ensuring fast data transfer rates and seamless online gaming experiences. Conversely, the GIGABYTE Z790 UD AC features PCIe 5.0, which is even faster than PCIe 4.0, along with 3X M.2 slots and USB-C 3.2 support. For users looking to leverage the latest in connectivity technology, the GIGABYTE motherboard clearly leads the pack, offering more advanced options for future upgrades and peripherals.

Networking Capabilities

Networking capabilities are vital for gamers and streamers, and both motherboards provide impressive features. The Asus ROG Strix B550-F Gaming WiFi II includes onboard WiFi 6E and Intel 2.5 Gb Ethernet, ensuring smooth and high-speed connectivity. The GIGABYTE Z790 UD AC also offers dual-band WiFi and 2.5GbE Ethernet, allowing for great online performance. While both motherboards deliver excellent networking options, the Asus model's inclusion of WiFi 6E can make a difference for users in environments where wireless performance is crucial, especially in high-density areas.

Aesthetics and Software

Aesthetics and software can play a significant role in a user's overall experience. The Asus ROG Strix B550-F Gaming WiFi II features a futuristic design with customizable RGB lighting through Aura Sync, appealing to gamers who enjoy personalized builds. Additionally, it comes with a 60-day AIDA64 Extreme subscription for system monitoring. The GIGABYTE Z790 UD AC also has customizable RGB Fusion lighting and offers robust software features for overclocking and system management. While both motherboards cater to gamers’ aesthetic and functional needs, the choice may boil down to personal preference in style and software usability.

Which should you buy?

Choosing between the Asus ROG Strix B550-F Gaming WiFi II and the GIGABYTE Z790 UD AC ultimately depends on your specific needs and preferences. If you are looking for a more affordable option with solid performance for AMD processors, the Asus model is a fantastic choice at $139.99. However, if you prioritize cutting-edge technology, power efficiency, and compatibility with the latest Intel processors at $149.99, the GIGABYTE motherboard stands out. Both motherboards offer exceptional features, but your final decision should hinge on the CPU you plan to use and your budgetary constraints.