Gigabyte A520I AC vs GIGABYTE A620I AX
Updated August 2026 — GIGABYTE A620I AX leads on warranty and connectivity.
The A620I AX offers superior performance and future-proofing features compared to the A520I AC. However, the A520I AC is a more budget-friendly option.
Why Gigabyte A520I AC is better
Price
A520I AC is cheaper by $10
Compatibility
Supports older Ryzen processors
Basic Features
Adequate for everyday use
Why GIGABYTE A620I AX is better
Performance
Supports Ryzen 7000 series processors
Memory
Supports faster DDR5 memory
Connectivity
Includes PCIe 4.0 and Wi-Fi 6E
Overall score
Specifications
| Spec | Gigabyte A520I AC | GIGABYTE A620I AX |
|---|---|---|
| Socket | AM4 | AM5 |
| Memory Type | DDR4 | DDR5 |
| VRM Phases | 6 | 5+2+1 |
| M.2 Slot | PCIe 3.0 | PCIe 4.0 |
| Wi-Fi | Dual Band AC | Wi-Fi 6E |
Dimension comparison
Overview of the Gigabyte A520I AC and A620I AX
The Gigabyte A520I AC is priced at $99.99, making it about 17% cheaper than the A620I AX, which retails for $109.99. Both motherboards are designed for different generations of AMD processors, with the A520I AC supporting the older AM4 socket and the A620I AX accommodating the newer AM5 socket. This fundamental difference in processor compatibility sets the stage for their performance and feature sets.
Compatibility with Processors
The A520I AC is compatible with 3rd Gen AMD Ryzen processors using the AM4 socket, while the A620I AX is designed for the latest AMD Ryzen 7000 series processors with the AM5 socket. This distinction is crucial for users looking to build a new system or upgrade an existing one. The A620I AX allows for future-proofing, as it supports newer technology and CPUs, which can lead to better performance in demanding applications and gaming scenarios.
Memory Support
When it comes to memory, the A520I AC supports dual-channel DDR4 with two DIMM slots, while the A620I AX steps up to dual-channel DDR5 with two SMD DIMMs, supporting AMD EXPO and Intel XMP memory modules. This difference in memory technology is significant; DDR5 offers improved speeds and bandwidth compared to DDR4, making the A620I AX more suitable for high-performance tasks and gaming environments that require faster data processing.
Power Delivery and VRM Design
The power delivery systems of these motherboards are also notably different. The A520I AC features a Direct 6 Phases Digital PWM with 55A DrMOS, ensuring stable power for the processor, which is essential for maintaining performance under load. On the other hand, the A620I AX boasts a more advanced 5+2+1 Phases Digital VRM solution, designed to provide superior power efficiency and stability, especially when paired with high-performance AMD Ryzen 7000 series processors. This enhanced power management can lead to better overclocking potential and overall system reliability.
Connectivity Options
In terms of connectivity, the A520I AC offers a standard set of features, including a PCIe 3.0 x16 slot and an NVMe PCIe 3.0 x4 M.2 slot. It also has Intel Dual Band AC WiFi and Bluetooth capabilities, which are adequate for most users. In contrast, the A620I AX improves significantly with PCIe 4.0 support for its M.2 slot, USB 3.2 Gen1 Type-C, and faster networking options through Wi-Fi 6E and a 2.5GbE LAN port. This upgrade allows for quicker data transfers and a more robust internet connection, making it a better choice for users requiring high-speed performance.
Audio and Multimedia Features
Both motherboards come equipped with audio capabilities, but they differ in their audio codecs. The A520I AC uses the ALC887 audio codec, which provides decent sound quality for everyday use. Meanwhile, the A620I AX has features that support advanced audio options, although the specific audio codec isn't detailed in the provided data. Additionally, the A620I AX offers RGB FUSION support for customizable lighting, enhancing the overall aesthetic appeal of the build, which could be a deciding factor for users who value visual customization.
Warranty and Support
The A520I AC does not specify a warranty period, which may be a concern for some buyers. In contrast, the A620I AX offers a solid 5-year warranty, providing peace of mind for users investing in a new motherboard. A longer warranty can indicate a manufacturer’s confidence in their product and can be an important aspect for consumers looking to ensure long-term reliability and support.
Price Consideration and Value
The A520I AC is priced at $99.99, while the A620I AX is available for $109.99. While the A520I AC is cheaper, the A620I AX offers a higher performance potential with its support for the latest technology, including DDR5 memory and PCIe 4.0. When considering value, the A620I AX may justify its higher cost through its advanced features and future-proofing capabilities, making it a worthwhile investment for users looking to build a high-performance system.
Which should you buy?
Ultimately, the choice between the Gigabyte A520I AC and the A620I AX depends on your specific needs. If you are looking for a budget-friendly option that supports older Ryzen processors, the A520I AC at $99.99 is a solid choice. However, for those wanting to take advantage of the latest technology and future-proof their system with support for Ryzen 7000 series processors and DDR5 memory, the A620I AX, despite being about 17% more expensive at $109.99, offers significant advantages in performance and connectivity.