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ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851 vs ASRock B450M-HDV R4.0 AMD B450 AM4 Socket Ryzen 2000 -

Updated August 2026 — ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851 leads on price and overclocking.

The ASUS ROG Maximus Z890 Hero offers superior performance and advanced features compared to the budget-friendly B450M-HDV R4.0. For enthusiasts, the ASUS board is the clear winner.

Why ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851 is better

Performance

Advanced AI features and DDR5 support

Connectivity

Includes Thunderbolt 4 and PCIe 5.0

Audio

High-quality audio components for gaming

Why ASRock B450M-HDV R4.0 AMD B450 AM4 Socket Ryzen 2000 - is better

Price

Significantly cheaper at $72.47

Compatibility

Supports a wide range of AMD processors

Basic Features

Adequate for everyday tasks and light gaming

Overall score

ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851
90
ASRock B450M-HDV R4.0 AMD B450 AM4 Socket Ryzen 2000 -
65

Specifications

SpecASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851ASRock B450M-HDV R4.0 AMD B450 AM4 Socket Ryzen 2000 -
SocketLGA 1851AM4
RAM TypeDDR5DDR4
Max RAM128GB64GB
PCIe Slots3x PCIe 5.01x PCIe 3.0
WiFiWiFi 7No
Audio CodecHigh-endRealtek ALC887

Dimension comparison

ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851ASRock B450M-HDV R4.0 AMD B450 AM4 Socket Ryzen 2000 -

Overview of the ASUS ROG Maximus Z890 Hero and B450M-HDV R4.0

The ASUS ROG Maximus Z890 Hero is a high-end motherboard priced at $357.16, while the B450M-HDV R4.0 offers a budget-friendly option at $72.47, making it about 80% cheaper. The stark price difference reflects their target markets and features, with the ASUS board designed for advanced AI applications and the ASRock board catering to mainstream users looking for compatibility with AMD processors.

The ASUS ROG Maximus Z890 Hero is equipped with advanced technologies, including AI overclocking and WiFi 7 capabilities. In contrast, the B450M-HDV R4.0 supports AMD Ryzen 2000 to 5000 series processors and provides solid performance at a significantly lower price point, but lacks the high-tech features found in ASUS's offering.

Target Audience and Use Cases

The ASUS ROG Maximus Z890 Hero targets enthusiasts and gamers who demand cutting-edge performance and advanced features. Its robust power solution and support for the latest Intel processors make it suitable for high-performance builds focused on gaming and AI applications.

On the other hand, the B450M-HDV R4.0 is designed for everyday users and budget-conscious gamers. It supports a broad range of AMD processors, making it an excellent choice for users looking to build a reliable system without breaking the bank. Its capabilities are sufficient for general tasks, light gaming, and home office applications, appealing to a different segment of the market.

Performance Capabilities

The ASUS ROG Maximus Z890 Hero excels in performance with its advanced features, including 22+2+1+2 power stages, which ensure a stable power supply for demanding applications. It also boasts support for DDR5 memory, allowing for faster data transfer rates and improved performance in memory-intensive tasks.

In contrast, the B450M-HDV R4.0 supports DDR4 memory up to 3200MHz, which, while competent, is not as advanced as DDR5. This motherboard is limited to a maximum of 64GB of RAM, which may be sufficient for most mainstream users, but it does not provide the same level of performance for high-end gaming or professional workloads as the ASUS board.

Connectivity Options

Connectivity is a critical factor for modern motherboards, and the ASUS ROG Maximus Z890 Hero shines with its extensive options. It includes three PCIe 5.0 M.2 slots, allowing for quick NVMe storage, and features Thunderbolt 4 and USB Type-C support for versatile connectivity.

The B450M-HDV R4.0 offers adequate connectivity for its price, featuring one PCIe 3.0 x16 slot and one PCIe 2.0 x1 slot, along with various video outputs, including HDMI, DVI-D, and D-Sub. However, it lacks the advanced connectivity options found in the ASUS motherboard, which may limit future upgrade paths for users interested in the latest technologies.

AI and Overclocking Features

The ASUS ROG Maximus Z890 Hero comes with exclusive AI technologies designed to enhance the user experience, such as AI overclocking, AI cooling, and AI networking. These features simplify setup and optimize performance, making it an appealing option for users keen on maximizing their system's capabilities.

In contrast, the B450M-HDV R4.0 does not offer any specific AI enhancements or overclocking features. While it supports some level of overclocking for compatible processors, it lacks the advanced tools and technologies that differentiate the ASUS board in this regard, making it less attractive to performance enthusiasts.

Audio and Multimedia

Audio capabilities are another area where the ASUS ROG Maximus Z890 Hero stands out. It incorporates high-quality audio components that enhance the gaming and multimedia experience, catering to users who prioritize sound quality.

The B450M-HDV R4.0 also features decent audio support with a Realtek ALC887/897 audio codec, providing 7.1 channel HD audio. However, it does not match the premium audio solutions found in the ASUS motherboard, which may be a consideration for users who place a high value on audio fidelity in gaming and media consumption.

Price Comparison

At $357.16, the ASUS ROG Maximus Z890 Hero represents a premium investment for those looking for advanced features and future-proofing. Conversely, the B450M-HDV R4.0 is priced at just $72.47, making it an attractive option for budget-conscious consumers. The price difference of about $284.69 reflects the varying capabilities and target audiences of both motherboards.

While the ASUS board offers superior performance, connectivity, and features, the ASRock option provides essential functionality at a fraction of the cost. Consumers must weigh their specific needs against their budgets when considering these two options.

Which should you buy?

Choosing between the ASUS ROG Maximus Z890 Hero and the B450M-HDV R4.0 ultimately depends on your specific needs and budget. If you're an enthusiast gamer or content creator seeking top-tier performance and advanced features, the ASUS motherboard is the clear choice. However, if you're a casual user or gamer looking for a cost-effective solution that still supports a decent range of AMD processors, the B450M-HDV R4.0 offers excellent value for your money.