ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851 vs Gigabyte A520I AC
Updated August 2026 — ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851 leads on overclocking and performance.
The ASUS ROG Maximus Z890 Hero offers advanced features for high-performance needs, while the Gigabyte A520I AC is a budget-friendly option for casual users.
Why ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851 is better
Advanced Features
Includes AI Overclocking and Cooling II
Power Delivery
Robust 22+2+1+2 power stages
Connectivity
Three PCIe 5.0 M.2 slots and Thunderbolt™ 4
Why Gigabyte A520I AC is better
Price
More affordable at $99.99
Compact Design
Mini-ITX form factor for smaller builds
Basic Gaming
Adequate for casual gaming needs
Overall score
Specifications
| Spec | ASUS ROG Maximus Z890 Hero Intel® Z890 LGA 1851 | Gigabyte A520I AC |
|---|---|---|
| Socket | LGA 1851 | AM4 |
| Memory Type | DDR5 | DDR4 |
| PCIe Slots | 3x PCIe 5.0 | 1x PCIe 3.0 |
| WiFi | WiFi 7 | Intel Dual Band AC |
| Audio Codec | High-fidelity | ALC887 |
Dimension comparison
Overview of the ASUS ROG Maximus Z890 Hero and Gigabyte A520I AC
The ASUS ROG Maximus Z890 Hero is designed for high-performance AI computing, while the Gigabyte A520I AC focuses on providing solid gaming capabilities at a more budget-friendly price. At $357.16, the ASUS motherboard is significantly more expensive than the Gigabyte model, which retails for $99.99, making it about 72% more costly. This price difference reflects the advanced features and specifications of the ASUS motherboard, tailored for demanding applications.
Performance Features
The ASUS ROG Maximus Z890 Hero offers advanced AI features that cater to high-performance needs, including AI Overclocking and Cooling II, making it ideal for gamers and content creators seeking maximum efficiency. In contrast, the Gigabyte A520I AC supports 3rd Gen AMD Ryzen processors and features a Direct 6 Phases Digital PWM with 55A DrMOS, ensuring stable power delivery. While the ASUS motherboard presents sophisticated features suited for future-proofing, the Gigabyte model provides reliable performance for mainstream gaming at a significantly lower price.
Power Delivery and Stability
The power delivery system of the ASUS ROG Maximus Z890 Hero is robust, featuring a configuration of 22(110A)+2(90A)+1(90A)+2(80A) power stages, which enhances stability during overclocking. This makes it a strong contender for high-demand tasks. On the other hand, the Gigabyte A520I AC, with its Direct 6 Phases Digital PWM, is optimized for its price range, offering adequate power stability for casual gaming and standard computing tasks. While the ASUS board excels in advanced power delivery, the Gigabyte motherboard remains a sound choice for budget-conscious users.
Connectivity Options
In terms of connectivity, the ASUS ROG Maximus Z890 Hero is equipped with cutting-edge options, including three PCIe 5.0 M.2 slots and Thunderbolt™ 4. This provides extensive options for high-speed storage and peripherals, ideal for users needing maximum throughput. Conversely, the Gigabyte A520I AC features a single NVMe PCIe 3.0 x4 M.2 slot, alongside multiple display outputs, including HDMI and DisplayPort. While the ASUS board leads in modern connectivity, the Gigabyte offers sufficient options for everyday users, making it suitable for simpler setups.
Memory Support
The ASUS ROG Maximus Z890 Hero supports advanced DDR5 memory, which is faster and more efficient than the DDR4 memory supported by the Gigabyte A520I AC. This makes the ASUS motherboard a superior choice for those looking to leverage the latest in memory technology for gaming and other intensive applications. With its advanced memory technologies, including NitroPath and AEMP III, the ASUS board is tailored for optimized performance. Meanwhile, Gigabyte's offering, while competent, may not meet the demands of users aiming for future-proof performance and speed.
Audio and Networking
The ASUS ROG Maximus Z890 Hero is equipped with advanced networking capabilities, including WiFi 7, which allows for faster data transfer speeds and enhanced gaming experiences. The onboard audio features are also optimized for high-fidelity sound, providing an immersive gaming experience. In comparison, the Gigabyte A520I AC includes the ALC887 audio codec and Intel Dual Band AC WiFi and Bluetooth, ensuring a reliable but more basic audio and networking solution. While the ASUS motherboard caters to high-end needs, the Gigabyte serves well for standard use.
Form Factor and Design
The ASUS ROG Maximus Z890 Hero is an ATX motherboard, offering more room for expansion and additional features, making it suitable for custom builds that require ample space for components. The Gigabyte A520I AC, being a Mini-ITX board, is designed for compact builds, which is ideal for users prioritizing a smaller footprint. While the ASUS board allows for more extensive customization, the Gigabyte's compact design is advantageous for space-constrained environments.
Which should you buy?
When deciding between the ASUS ROG Maximus Z890 Hero and the Gigabyte A520I AC, consider your specific needs and budget. If you require cutting-edge technology, advanced AI features, and superior performance for gaming or creative work, the ASUS motherboard is worth the investment at $357.16. However, if you're looking for an affordable, reliable option for general computing and casual gaming, the Gigabyte A520I AC at $99.99 is an excellent choice. Ultimately, your decision should be based on whether the advanced features of the ASUS justify its higher price compared to the more budget-friendly Gigabyte option.

