ASRock B450M/AC R2.0 AM4 AMD Promontory B450 SATA vs ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851
Updated July 2026 — ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851 leads on power and connectivity.
The ASUS ROG Maximus Z890 Hero offers superior performance and features, making it the better choice for high-end users, while the ASRock B450M/AC R2.0 is a solid budget option.
Why ASRock B450M/AC R2.0 AM4 AMD Promontory B450 SATA is better
Price
ASRock is significantly cheaper at $79.00
Basic Features
Sufficient for mid-range builds
AMD Compatibility
Supports a wide range of AMD processors
Why ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851 is better
Performance
Advanced AI features and high-end processor support
Connectivity
Includes WiFi 7 and Thunderbolt 4
Power Delivery
Robust power solution with multiple stages
Overall score
Specifications
| Spec | ASRock B450M/AC R2.0 AM4 AMD Promontory B450 SATA | ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851 |
|---|---|---|
| Socket Type | AM4 | LGA 1851 |
| Memory Type | DDR4 | DDR5 |
| PCIe Slots | 1x PCIe 3.0 | 3x PCIe 5.0 |
| WiFi Support | No | WiFi 7 |
| Overclocking | Basic | Advanced AI |
Dimension comparison
Overview of the ASRock B450M/AC R2.0 and ASUS ROG Maximus Z890 Hero
When comparing motherboards, two standout options are the ASRock B450M/AC R2.0 and the ASUS ROG Maximus Z890 Hero. The ASRock model retails for $79.00, while the ASUS version is priced at $357.16, making the ASUS board about 352% more expensive. This price difference reflects the varying target markets and features of these two motherboards, appealing to different user needs.
Performance Capabilities
The ASUS ROG Maximus Z890 Hero boasts advanced performance features geared towards high-end computing, including support for Intel's latest Core Ultra Processors and AI-centric technologies such as AI Overclocking and AI Cooling II. In contrast, the ASRock B450M/AC R2.0 is designed for AMD processors, specifically the Ryzen series, and supports DDR4 memory up to 3200 MHz. While the ASRock is suitable for mid-range builds, the ASUS is geared towards enthusiasts and AI applications, offering robust power solutions with 22 power stages compared to the single configuration in the ASRock.
Compatibility and Upgrade Options
Compatibility is a significant factor in motherboard selection. The ASRock B450M/AC R2.0 supports AMD's AM4 socket processors, making it suitable for users looking to build or upgrade with Ryzen 2000 to 5000 series CPUs. The ASUS ROG Maximus Z890 Hero, on the other hand, features the Intel LGA 1851 socket, enabling compatibility with next-generation Intel Core processors. This distinction means the ASUS model offers more future-proofing for users planning to leverage the latest technologies, while the ASRock is more limited to AMD's existing ecosystem.
Connectivity Features
In terms of connectivity, the ASUS ROG Maximus Z890 Hero outshines the ASRock B450M/AC R2.0 significantly. The ASUS motherboard includes cutting-edge features such as WiFi 7, Thunderbolt™ 4 support, and multiple PCIe® 5.0 M.2 slots, enhancing data transfer speeds and overall system performance. Conversely, the ASRock model provides basic connectivity options with HDMI output and PCIe slots but lacks the advanced networking capabilities and multiple high-speed interfaces available on the ASUS board.
Power Supply and Efficiency
The power supply solutions differ markedly between the two motherboards. The ASUS ROG Maximus Z890 Hero is equipped with a robust power solution featuring 22+2+1+2 power stages, ensuring stability even under heavy loads. This level of power efficiency is crucial for users who plan to overclock their systems or run demanding applications. The ASRock B450M/AC R2.0, while functional, has a simpler power delivery system suited for less intensive applications. The disparity in power management technology indicates that the ASUS motherboard is better suited for high-performance tasks.
Design and Aesthetics
Design can play a crucial role in motherboard choice, especially for gamers and PC builders who value aesthetics. The ASUS ROG Maximus Z890 Hero features a sleek, modern design with customizable RGB lighting, appealing to those who want a visually striking build. The ASRock B450M/AC R2.0 has a more utilitarian look, which may appeal to users focused on functionality rather than style. The emphasis on aesthetics in the ASUS model can enhance the overall appeal of a gaming rig, making it a preferred choice for visually oriented consumers.
Pricing and Value
With a price tag of $79.00, the ASRock B450M/AC R2.0 represents a significant value for budget-conscious users looking for a reliable motherboard for everyday tasks. In contrast, the ASUS ROG Maximus Z890 Hero is priced at $357.16, reflecting its advanced features and capabilities. While the ASUS board is considerably more expensive, it offers premium features that justify the price for gamers and professionals seeking top-tier performance. The ASRock is an excellent choice for those on a budget, while the ASUS is aimed at users willing to invest more for enhanced capabilities.
Which should you buy?
Choosing between the ASRock B450M/AC R2.0 and the ASUS ROG Maximus Z890 Hero ultimately depends on your specific needs and budget. If you require a cost-effective solution for general computing and moderate gaming, the ASRock motherboard is an excellent choice at $79.00. However, if you're looking for high-end performance with cutting-edge features for demanding tasks, the ASUS board is worth the investment at $357.16. In summary, consider your performance requirements and budget constraints to make the best choice for your build.

