ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz vs GIGABYTE A620I AX
Updated August 2026 — ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz wins on connectivity and cooling, GIGABYTE A620I AX wins on warranty.
The ASRock B860 Pro RS offers superior performance and expandability compared to the GIGABYTE A620I AX. However, the GIGABYTE is a more budget-friendly option.
Why ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz is better
Memory Support
Supports up to 256GB RAM
Expansion Slots
Includes PCIe 5.0 x16 slot
Audio Quality
Features Realtek ALC1220 7.1 CH HD Audio
Why GIGABYTE A620I AX is better
Price
Cheaper by $20
Size
Mini-ITX format for compact builds
Networking
Includes EZ-Latch for easy installation
Overall score
Specifications
| Spec | ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz | GIGABYTE A620I AX |
|---|---|---|
| Socket | LGA 1851 | AM5 |
| RAM Slots | 4 DIMM | 2 DIMM |
| Max RAM | 8666 MHz | DDR5 |
| PCIe Version | 5.0 | 4.0 |
| Audio Codec | ALC1220 | Not specified |
Dimension comparison
Introduction to the ASRock B860 Pro RS and GIGABYTE A620I AX
When it comes to choosing a motherboard, the ASRock B860 Pro RS and GIGABYTE A620I AX represent two distinct options tailored for different users. The ASRock B860 Pro RS is priced at $129.99, while the GIGABYTE A620I AX is more budget-friendly at $109.99, making it about 17% cheaper. These price points reflect the different features and capabilities offered by each motherboard, appealing to various needs in gaming, content creation, and general use.
Compatibility with Processors
A significant differentiator between the two motherboards is their compatibility with processors. The ASRock B860 Pro RS supports Intel Core Ultra Series 2 processors with an LGA 1851 socket, while the GIGABYTE A620I AX is designed for AMD Ryzen 7000 Series processors using the AM5 socket. This fundamental difference means that users must choose based on their preferred CPU brand and the ecosystem built around it. If you're an Intel enthusiast, the ASRock is the clear choice, whereas AMD fans will find the GIGABYTE more suitable.
Memory Support and Performance
The ASRock B860 Pro RS supports dual-channel DDR5 memory with up to 8666 MHz, showcasing its capacity for high-performance applications. It features four DIMM slots, allowing for a maximum of 256GB of RAM. In comparison, the GIGABYTE A620I AX supports dual-channel DDR5 as well, but with only two DIMM slots. This limitation means that it can accommodate less RAM overall, making the ASRock a stronger option for users who require extensive memory for demanding tasks. This performance edge is crucial for gamers and content creators who often push the limits of memory usage.
Expansion Slots and Connectivity
In terms of expansion capabilities, the ASRock B860 Pro RS offers more flexibility with a PCIe 5.0 x16 slot for next-gen GPUs and an additional PCIe 4.0 x16 slot. This expanded connectivity allows users to upgrade their graphics cards and other components more easily. The GIGABYTE A620I AX, while featuring a PCIe x16 slot, has a unique EZ-Latch design that simplifies installation and removal. However, it only supports PCIe 4.0, potentially limiting future upgrades. Users looking to maximize their system's longevity might favor the ASRock for its superior expansion options.
Networking Capabilities
Both motherboards demonstrate strong networking features, although they approach it differently. The ASRock B860 Pro RS is equipped with Realtek 2.5G LAN and WiFi 6E, ensuring fast and reliable connectivity for online gaming and streaming. On the other hand, the GIGABYTE A620I AX also includes WiFi 6E and 2.5GbE LAN, providing similar advantages. However, the ASRock's slightly more robust LAN options may give it a marginal advantage in wired performance. Both options cater well to modern networking demands, making either a strong choice for connectivity.
Audio Quality
Audio quality is another aspect where the two motherboards differ. The ASRock B860 Pro RS features the Realtek ALC1220 7.1 CH HD Audio Codec, complemented by Nahimic Audio technology, which enhances the sound experience for gaming and multimedia tasks. The GIGABYTE A620I AX does not specify its audio capabilities as explicitly, but it does mention support for RGB Fusion and Smart Fan 6, indicating a more focused approach to aesthetics and cooling. The ASRock's dedicated audio features may appeal more to gamers and audiophiles looking for immersive sound quality.
Build Quality and Aesthetics
When it comes to build quality and design, the ASRock B860 Pro RS showcases a military-grade component design, ensuring durability and long-lasting performance. Its aesthetics follow the Steel Legend branding, known for its robust build quality. In contrast, the GIGABYTE A620I AX also emphasizes aesthetics with RGB lighting options but is built in a Mini-ITX format, limiting its expandability. Users who prioritize a rugged and visually appealing build may prefer the ASRock, while those seeking a compact design may lean towards the GIGABYTE.
Which should you buy?
Choosing between the ASRock B860 Pro RS and GIGABYTE A620I AX ultimately depends on your specific needs and preferences. If you prioritize high-performance capabilities, extensive RAM support, and superior expansion options, the ASRock B860 Pro RS is worth the extra $20. Conversely, if you're looking for a more affordable option that supports AMD processors and offers solid networking features, the GIGABYTE A620I AX is a strong contender. Assessing your intended use case, processor preference, and budget will guide you towards the right motherboard for your build.

