ASUS PRIME Z890-P WIFI Z890 LGA 1851 ATX vs ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851
Updated August 2026 — ASUS PRIME Z890-P WIFI Z890 LGA 1851 ATX wins on expandability and power, ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 wins on price and size.
The ASUS PRIME Z890-P WIFI offers superior performance and expandability compared to the ASUS ROG STRIX B860-I GAMING WIFI, making it the better choice for high-demand applications.
Why ASUS PRIME Z890-P WIFI Z890 LGA 1851 ATX is better
Power Delivery
14+1+1+2 power stages vs 10+1+2+1
Expansion Slots
Four M.2 slots vs two M.2 slots
Cooling Solutions
Larger heatsinks and AI Cooling II vs compact heatsinks
Why ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 is better
Price
$207.99 vs $229.99
Form Factor
Mini-ITX for compact builds vs ATX
Compact Design
Ideal for small cases vs larger size
Overall score
Specifications
| Spec | ASUS PRIME Z890-P WIFI Z890 LGA 1851 ATX | ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 |
|---|---|---|
| Socket | LGA 1851 | LGA 1851 |
| Memory | DDR5 | DDR5 |
| PCIe Version | 5.0 | 5.0 |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Thunderbolt | 4 | 4 |
Dimension comparison
Overview of ASUS PRIME Z890-P WIFI and ASUS ROG STRIX B860-I GAMING WIFI
The ASUS PRIME Z890-P WIFI is priced at $229.99, while the ASUS ROG STRIX B860-I GAMING WIFI is about 10% cheaper, at $207.99. Both motherboards are designed for Intel's Core Ultra Series 2 processors and come with advanced features aimed at enhancing performance and connectivity for modern computing tasks. Each product targets users with specific needs, from gaming to AI applications, but they differ significantly in form factor and power delivery systems.
Design and Form Factor
The ASUS PRIME Z890-P WIFI is an ATX motherboard, which generally allows for more expandability and additional features due to its larger size. In contrast, the ASUS ROG STRIX B860-I GAMING WIFI is a mini-ITX motherboard, making it ideal for compact builds where space is at a premium. While the larger ATX design of the PRIME Z890-P allows for a more robust power delivery system with 14+1+1+2 power stages, the B860-I still offers a solid 10+1+2+1 configuration. This difference in design translates to varying options for users looking to build either a high-performance gaming rig or a compact workstation.
Performance Capabilities
Both motherboards cater to high-performance needs, supporting DDR5 memory and featuring PCIe 5.0 technology. The PRIME Z890-P boasts a more powerful power delivery system, which can be particularly beneficial for users planning to overclock their CPUs or run demanding applications. On the other hand, the B860-I is also equipped for performance but with a slightly less robust power stage configuration. This difference may affect extreme performance scenarios, particularly in gaming or AI workloads, but both boards are built to handle high-speed tasks effectively.
Connectivity Options
Connectivity is a significant factor for both motherboards. The ASUS PRIME Z890-P WIFI offers a Thunderbolt 4 USB Type-C port along with Wi-Fi 7 and 2.5Gb Ethernet, providing a versatile suite of options for modern peripherals and networking. Meanwhile, the ROG STRIX B860-I also includes Thunderbolt 4 and Wi-Fi 7 but emphasizes a compact design that still maintains excellent connectivity. While both motherboards feature multiple M.2 slots, the PRIME Z890-P offers four slots, including one PCIe 5.0 slot, compared to the B860-I's limited options. Therefore, if you require extensive storage capabilities, the PRIME Z890-P may be the better choice.
Cooling Solutions
Effective cooling is crucial for maintaining performance, especially during intensive tasks. The PRIME Z890-P is equipped with large VRM heatsinks and M.2 cooling solutions, ensuring stable operations even under heavy loads. It also features hybrid fan headers and AI Cooling II technology to optimize thermal performance. The B860-I, while compact, features massive heatsinks and a heatpipe design for thermal management, but it may not provide the same level of cooling efficiency as the larger PRIME Z890-P. Thus, for users who plan to push their systems to the limit, the cooling solutions of the PRIME Z890-P may offer an advantage.
AI Features and Optimization
Both motherboards are designed with advanced AI capabilities, tailored for future computing needs. The PRIME Z890-P includes exclusive AI features such as AI Cooling II and AI Networking II to streamline setup and enhance performance. The B860-I also features ASUS AI Advisor and other optimization technologies but lacks some of the more advanced options found in its counterpart. If AI integration is a priority for your build, the PRIME Z890-P’s more extensive features may cater better to your needs.
Target Audience and Use Cases
The ASUS PRIME Z890-P WIFI is geared towards users looking for maximum performance and expandability, making it suitable for high-end gaming rigs, workstations, or AI-focused builds. In contrast, the ROG STRIX B860-I targets a more niche audience seeking a compact, powerful solution for gaming or general use in small form factor builds. If you prioritize expandability and power, the PRIME Z890-P is the clear winner. However, if space is a constraint and you still want robust performance, the B860-I delivers solid value.
Price Consideration
The ASUS ROG STRIX B860-I GAMING WIFI is priced at $207.99, about $22 cheaper than the ASUS PRIME Z890-P WIFI at $229.99. This price difference could influence your decision, especially if you're working within a budget. While the PRIME Z890-P offers more features and expandability, the B860-I provides solid performance for a lower cost, making it an attractive option for those who need a reliable motherboard without breaking the bank.
Which should you buy?
Choosing between the ASUS PRIME Z890-P WIFI and the ASUS ROG STRIX B860-I GAMING WIFI ultimately depends on your specific needs. If you require maximum performance, expandability, and superior cooling capabilities for demanding applications or gaming, the PRIME Z890-P is likely the better choice, despite its higher price tag. Conversely, if you're looking for a compact motherboard that still offers excellent performance and ample connectivity at a lower price, the ROG STRIX B860-I is a commendable option. Evaluate your priorities to decide which motherboard aligns best with your computing requirements.

