ASRock B550 Phantom Gaming 4 AC Supports 3rd Gen vs ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe
Updated August 2026 — ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe leads on connectivity and cooling.
The ASUS Z790 GAMING WIFI7 offers superior features and performance compared to the ASRock B550 Phantom Gaming 4 AC, making it the better choice for high-end builds.
Why ASRock B550 Phantom Gaming 4 AC Supports 3rd Gen is better
Price
ASRock is significantly cheaper at $100.71.
AMD Support
Supports 3rd Gen AMD processors.
Basic Features
Adequate for casual gaming.
Why ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe is better
Power Delivery
14+1 DrMOS design for stable power.
Memory Support
Supports DDR5 memory for better performance.
Connectivity
Includes PCIe 5.0 and three M.2 slots.
Overall score
Specifications
| Spec | ASRock B550 Phantom Gaming 4 AC Supports 3rd Gen | ASUS Z790 GAMING WIFI7 ATX motherboard with PCIe |
|---|---|---|
| Processor Support | AMD AM4 | Intel LGA 1700 |
| Memory Type | DDR4 | DDR5 |
| M.2 Slots | 3 | 3 |
| PCIe Version | 4.0 | 5.0 |
| Networking | HDMI | Wi-Fi 7 |
Dimension comparison
Overview of the ASRock B550 Phantom Gaming 4 AC and ASUS Z790 GAMING WIFI7
The ASRock B550 Phantom Gaming 4 AC is priced at $100.71, while the ASUS Z790 GAMING WIFI7 costs $149.99, making the ASRock model about 33% cheaper. This price difference highlights the significant cost disparity that buyers should consider when evaluating their options in the motherboard market. Both motherboards cater to different market segments, with the ASRock focusing on AMD processors and the ASUS targeting Intel's latest offerings.
Processor Compatibility
The ASRock B550 Phantom Gaming 4 AC supports 3rd Gen AMD AM4 Ryzen processors, which is crucial for AMD enthusiasts looking to build or upgrade their systems. On the other hand, the ASUS Z790 GAMING WIFI7 is designed for Intel’s LGA 1700 socket, supporting 14th and 13th Gen Intel Core processors, as well as Pentium Gold and Celeron processors. This significant difference in processor compatibility means that potential buyers must decide between AMD and Intel ecosystems, which could influence their overall system performance and upgrade paths.
Power Delivery and Design
The ASUS Z790 GAMING WIFI7 features an enhanced power solution with a 14+1 DrMOS design, providing stable power delivery for high-performance CPUs. In contrast, the ASRock B550 Phantom Gaming 4 AC employs an 8 Power Phase design with Digi Power, which is adequate for most gaming scenarios but may not match the robust power delivery of the ASUS model. This difference could impact overclocking capabilities and overall system stability, particularly under heavy loads.
Memory Support
When it comes to memory support, the ASUS Z790 GAMING WIFI7 offers DDR5 memory compatibility, which is the latest standard, allowing for faster data rates and improved performance. The ASRock B550 Phantom Gaming 4 AC, on the other hand, supports DDR4 memory up to 4733+ (OC), which remains a solid choice but does not provide the future-proofing that DDR5 offers. This distinction is vital for gamers and content creators who prioritize speed and efficiency in their memory configurations.
Expansion Slots and Connectivity
The ASUS Z790 GAMING WIFI7 is equipped with three M.2 slots and PCIe 5.0 support, which is essential for those looking to take advantage of the latest storage technology. The ASRock B550 Phantom Gaming 4 AC, while offering a decent configuration of one PCIe 4.0 x16, one PCIe 3.0 x16, and two PCIe 3.0 x1 slots, does not match the advanced connectivity options available on the ASUS motherboard. This could limit future upgrade options for users of the ASRock board.
Networking Features
In terms of networking capabilities, the ASUS Z790 GAMING WIFI7 boasts Wi-Fi 7 and Realtek 1Gb LAN, ensuring high-speed wireless connectivity alongside wired options. The ASRock B550 Phantom Gaming 4 AC does not specify integrated Wi-Fi features, focusing instead on HDMI graphics output. For gamers who rely on fast and stable internet connections, the ASUS model offers a significant advantage, particularly for online gaming.
Cooling Solutions
Cooling is another critical aspect where the ASUS Z790 GAMING WIFI7 excels. It comes with large VRM heatsinks, a PCH heatsink, and hybrid fan headers, along with Fan Xpert 4 featuring AI Cooling II. This comprehensive cooling solution ensures that the motherboard remains efficient and stable under heavy workloads. The ASRock B550 Phantom Gaming 4 AC does not detail its cooling features, which may leave enthusiasts wanting more in terms of thermal management during intense gaming sessions.
Aesthetic and Build Quality
The ASUS Z790 GAMING WIFI7 is designed with aesthetic features such as Aura Sync, which allows for customizable RGB lighting to enhance the overall look of your build. The ASRock B550 Phantom Gaming 4 AC has a more utilitarian design that prioritizes functionality over aesthetics. This difference in design philosophy may appeal to different types of users—those who value performance versus those who want a visually striking setup.
Which should you buy?
Ultimately, the choice between the ASRock B550 Phantom Gaming 4 AC and the ASUS Z790 GAMING WIFI7 boils down to your specific needs and budget. If you're looking for a cost-effective solution that supports AMD processors and solid performance, the ASRock model at $100.71 is a strong contender. However, if you want the latest features, superior power delivery, and enhanced connectivity with Intel processors, the ASUS Z790 GAMING WIFI7 at $149.99 offers compelling advantages that justify the higher price. Consider your processor preference, desired features, and future upgrade paths when making your decision.