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ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 vs ASUS PRIME Z890-P WIFI Z890 LGA 1851 ATX

Updated August 2026 — ASUS PRIME Z890-P WIFI Z890 LGA 1851 ATX leads on memory and networking.

The ASUS PRIME Z890-P WIFI offers advanced features and future-proofing, while the ASRock B550M-ITX/AC is a budget-friendly option for AMD users.

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

Price

ASRock is significantly cheaper at $109.99.

AMD Support

Supports AMD AM4 processors.

Size

Mini ITX form factor is more compact.

Why ASUS PRIME Z890-P WIFI Z890 LGA 1851 ATX is better

Performance

Superior power delivery with 14+1+1+2 stages.

Memory

Supports the latest DDR5 RAM.

Networking

Includes Wi-Fi 7 and 2.5Gb Ethernet.

Overall score

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4
65
ASUS PRIME Z890-P WIFI Z890 LGA 1851 ATX
85

Specifications

SpecASRock B550M-ITX/AC Supports 3rd Gen AMD AM4ASUS PRIME Z890-P WIFI Z890 LGA 1851 ATX
SocketAM4LGA 1851
RAM TypeDDR4DDR5
M.2 Slots24
Wi-FiNoWi-Fi 7
CoolingBasicAdvanced

Dimension comparison

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4ASUS PRIME Z890-P WIFI Z890 LGA 1851 ATX

Price Comparison

The ASRock B550M-ITX/AC is priced at $109.99, making it significantly more affordable than the ASUS PRIME Z890-P WIFI, which is priced at $229.99. This means that the ASUS motherboard is about 109% more expensive than the ASRock model. For budget-conscious consumers or those building a basic gaming setup, the ASRock option may be more appealing due to its lower price point. However, for users looking for cutting-edge technology and features, the investment in the ASUS motherboard may be justified.

Supported Processors

The ASRock B550M-ITX/AC supports AMD AM4 Socket processors, including the 3rd generation Ryzen series, while the ASUS PRIME Z890-P WIFI is designed for Intel's LGA 1851 socket, supporting Intel Core Ultra processors (series 2). This fundamental difference means that buyers must consider their preferred CPU brand when choosing between these motherboards. If you are an AMD enthusiast, the ASRock is the clear choice. Conversely, if you are leaning towards Intel's latest offerings, the ASUS motherboard will be necessary for compatibility.

Memory Compatibility

When it comes to memory support, the ASRock B550M-ITX/AC is compatible with DDR4 RAM, boasting speeds of up to 4733 MHz when overclocked. In comparison, the ASUS PRIME Z890-P WIFI offers support for DDR5 memory, which is the latest standard, allowing for potentially higher performance and faster speeds. This makes the ASUS motherboard a better option for users looking to future-proof their systems and take advantage of the latest memory technologies, while the ASRock caters to those who prefer more traditional DDR4 setups.

Graphics Output Options

The ASRock B550M-ITX/AC features DisplayPort and HDMI outputs, catering well to users with a variety of monitor setups. Meanwhile, the ASUS PRIME Z890-P WIFI also includes DisplayPort and HDMI capabilities, but enhances connectivity with a Thunderbolt 4 USB Type-C port. This added connectivity via Thunderbolt allows for faster data transfer rates and broader accessory support. Users with high-performance needs, such as video editing or gaming, may find the ASUS's advanced options to be more beneficial.

Power Delivery and Stability

Power delivery is a critical feature for high-performance motherboards. The ASRock B550M-ITX/AC provides stable power delivery and is designed for smooth operation under load, which is essential for gamers. On the other hand, the ASUS PRIME Z890-P WIFI boasts a robust power solution with 14+1+1+2 power stages, indicating a highly stable and efficient power delivery system. This superior power management is ideal for users who plan to overclock their CPUs or run demanding applications, making the ASUS motherboard the go-to choice for enthusiasts.

Networking Capabilities

The ASRock B550M-ITX/AC is limited to standard networking features, while the ASUS PRIME Z890-P WIFI comes equipped with on-board Wi-Fi 7 (802.11be) and Realtek 2.5 Gb Ethernet. This advanced networking setup allows for faster and more reliable internet connections, which is crucial for online gaming and large file transfers. Users who prioritize high-speed internet connectivity and modern networking capabilities will find the ASUS motherboard to be a superior choice.

Thermal Management

Thermal management is another consideration, especially for high-performance builds. The ASRock B550M-ITX/AC is designed to maintain lower temperatures during operation, which is essential for overall system stability. In contrast, the ASUS PRIME Z890-P WIFI features a more advanced thermal design with large VRM heatsinks and multiple cooling solutions, ensuring optimal performance even under heavy loads. For users who plan to push their hardware to the limits, the ASUS motherboard’s superior thermal management is a significant advantage.

Which should you buy?

Choosing between the ASRock B550M-ITX/AC and the ASUS PRIME Z890-P WIFI ultimately depends on your specific needs and budget. If you’re looking for a cost-effective solution that supports AMD processors and DDR4 memory, the ASRock model, at $109.99, is a solid choice. However, if you want cutting-edge features, including support for the latest Intel processors, DDR5 memory, advanced networking, and superior power delivery, the ASUS motherboard at $229.99 may be worth the investment. Each motherboard caters to different user profiles, making it essential to consider your priorities when making a decision.